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Battery Electrical Drain/ Parasitic Load Test Repair Manual

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Filed Under (More Manuals) by admin on 29-05-2012

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1. Disconnect the battery negative cable 2. Install the male end of the J 38758 to the negative battery terminal. 3. Turn OFF the test switch. 4. Install the negative battery cable to the female end of the test switch. 5. Install the Scan Tool (or equivalent) or wait for 20 minutes. 6. Turn ON the test switch. 7. Road test the vehicle while activating all accessories, including the radio and the air conditioning. 8. Lower the door glass, then exit the vehicle. Do not move the door handle after closing the door. 9. Open the hood. Important The power down timer will reset to 20 minutes if any wake up inputs are received by a Class 2 device (after the scan tool has put all Class 2 devices to sleep). 10. Put all of the Class 2 devices into the sleep mode. 11. Turn OFF the ignition switch. Remove the key. Important From this point on, electrical continuity must be maintained in the ground circuit of the battery through the Test Switch J 38758 in the ON position or through the ammeter J 39200 . 12. Components such as PCM, VCM, Automatic Air Conditioning, and the Truck Body Control Module have timers that draw several amps of current while they cycle down. This can give a false parasitic drain reading. Wait 20 minutes for these components to power down before continuing this test (or use the scan tool to put all Class 2 devices to sleep). 13. Connect a jumper wire with a 10 A fuse J 36169-A to the terminals of the test switch. 14. Turn the test switch to the OFF position. 15. Wait ten seconds. If the fuse does not blow, the current is less than 10 A. The ammeter can be used safely. 16. Before the fused jumper wire is removed, turn the test switch to the ON position. Important If an ammeter other than the J 39200 is used, ensure that the vehicle does not have a high current drain that would damage the ammeter when connected to the circuit. 17. Perform the following procedure in order to detect a high current drain: A. Set the ammeter J 39200 to the 10 A scale. B. Connect the ammeter to the test switch terminals. C. Turn OFF the test switch. This allows the current to flow through the ammeter. D. Wait one minute, then inspect the current reading. Ñ When there is a current reading of 2 A or less, turn ON the test switch, this maintains continuity in the electrical system. Ñ Then, switch the meter down to the 2 A scale, for a more accurate reading, when the test switch is reopened. E. Open the test switch. F. Take the reading in milliamps. G. Note the battery reserve capacity. Refer to Battery Usage . Ñ Divide this number by 4. Example: 90/4 = 22.5 Ñ Compare this to the ammeter reading. Ñ The current drain in milliamps should not exceed this number. Ñ Example: if a battery has a reserve capacity of 90 minutes, the current drain should not exceed 22 milliamps. H. When the current draw is too high, remove the electrical system fuses one at a time until the draw returns to a value less than or equal to specifications. Ñ Start with the fuses that are hot all the time. Ñ To remove the fuse, you must first open the door, which causes a high enough current flow to damage the ammeter. Ñ Protect the ammeter, without disturbing the electrical continuity, by turning ON the test tool before opening the door. Ñ Remove the courtesy lamp fuse. Ñ Note the ammeter reading. Ñ If the parasitic load is still excessive, start removing the remaining fuses one at a time. Ñ Keep the courtesy lamp fuse out during diagnosis, so the door can remain open. Ñ Perform Steps 11 through 13 each time a fuse is removed. I. Removing the PCM or VCM fuse should cause a drop of less than 10 milliamps. A drop greater than 10 milliamps indicates a possible short to ground. J. Check the orange wires along with the components connected to the orange wires. No drop in the milliampere reading indicates the PCM or VCM is not drawing current. K. Repeat the parasitic current drain test procedure after any repair has been completed. L. When the cause of the excessive current draw has been located and repaired, remove the ammeter and the parasitic draw test switch.

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2004 Toyota Prius EV (Electric Vehicle) Button Installation Instructions

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Filed Under (Toyota Manuals) by admin on 31-03-2012

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Time and Difficulty: I found the install to be moderately difficult and pretty time-consuming (about 3 hours) ; others have found it simple and report they have done it in as little as 30 minutes. Your experience will depend on your familiarity with the tools and electronics. I, personally, found insertion of the connection pin into the HV ECU plug to be difficult and almost got the first pin irrevocably stuck in the slot. I spent quite a bit of time with that part alone. I also found threading the wire behind the dash to be fairly tricky. I think the average person, not encountering any problems, could do this job in about 1-1½ hours. Procedure in Brief: 1) Remove bottom cover of steering wheel 2) Locate and unplug flasher plug 3) Open plug and remove 1-3 unused connector pins 4) Reattach steering wheel cover 5) Dismantle part of dash (vents) and remove lower glove box 6) Locate HV ECU (gray plugs) and remove lower plug 7) Solder wire to connector pin and insert into ECU plug (#27) 8) Splice EV button ground wire into ECU plug ground wire (#1) 9) Plug ECU plug back into the ECU 10) Thread wire behind dash to opening near dimmer switch 11) Attach switch to cover and solder wires in place 12) Reassemble the dash 13) Test Procedure in Detail: *Review ALL steps before proceeding and be sure you understand all terms used and you’ve looked at all diagrams and pictures. 1) Remove the bottom cover of the steering wheel by releasing the steering wheel adjustment handle and unscrewing the silver screw in that recess. 2004_prius_evv2.doc Page 4 of 20 Last updated March 13th, 2004 Then, turn the steering wheel 90 degrees right and remove the black screw that becomes visible on the right side of the steering column. Then turn the wheel 180 degrees left (90 degrees from normal position) and remove the black screw on the left side of the steering column. Carefully pull down on the lower portion of the steering column cover until it releases. Mine was a bit stiff/stuck to the upper part and you may need to carefully use a butter knife or screwdriver to start prying them apart. 2004_prius_evv2.doc Page 5 of 20 Last updated March 13th, 2004 2) Locate and unplug the white flasher plug visible just on the left side of the bottom of the steering column. 3) 2 little clips keep a cover locked in place. Pull those apart and remove the cover. Inside you’ll see lines of silver connector pins–some with wires attached, some without. You should remove between 1 and 3 of those pins–2 is probably safe, 3 might be better, since if you plan to install an OEM button at some point, you’ll probably need more pins for that. (You need one pin for the procedure, but it’s handy to have a back-up.) To remove the pins, you can use your paper clip to start the process of sliding them out, and then they just pull right out. 2004_prius_evv2.doc Page 6 of 20 Last updated March 13th, 2004 Stick them to a piece of tape or put them somewhere secure so you can find them later. Snap the cover back into place, and plug the flasher plug back in. 4) Replace the steering wheel cover by reversing the process. Be sure everything’s aligned properly and that there are no gaps. 5) Now you’ll need to dismantle part of the dash to get access to the ECU and other areas. First, open the top and bottom glove box doors. Squeeze the inside sides of the lower glove box together to get the catches past the portion of the dash frame that keeps the door from falling all the way open. Then pull the entire door straight toward you – it will unclip from the hinges at the bottom of the glove box. 2004_prius_evv2.doc Page 7 of 20 Last updated March 13th, 2004 You may also need to unclip the little hydraulic piston that keeps the door from falling open too quickly. Next, grasp the bottom of the silver vent piece next to the glove box. Pull it toward you firmly. It should unclip at the bottom first. Then pull the whole unit straight out

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2003 Honda Accord EX A/ T INTERLOCK SYSTEM REPAIR MANUAL

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Filed Under (Honda Manuals) by admin on 21-01-2012

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A/T Interlock System Circuit Diagram SHIFT LOCK SYSTEM CIRCUIT TROUBLESHOOTING 1. Press the brake pedal. Are the brake lights ON? YES -Go to step 2. NO -Repair faulty brake light circuit. 2. Connect the HDS to the DLC. Check engine speed and throttle position in the A/T data list. Is the engine speed at idle, and TPS about 0.5 V? YES -Go to step 3. NO -Repair engine speed or throttle position input. 3. Select SHIFT LOCK SOL TEST in MISC. TEST MENU, then carry out shift lock solenoid function test. Does the shift lock solenoid work properly? YES -System circuit is OK. Check the shift lock mechanism, if necessary. NO -Go to step 4. 4. Remove the center console (See CENTER CONSOLE REMOVAL/INSTALLATION ). 5. Disconnect the shift lock solenoid connector. 6. Turn the ignition switch ON (II). 7. Measure the voltage between No. 1 terminal of the shift lock solenoid connector and body ground. Fig. 3: Measuring Voltage Between No. 1 Terminal Of Shift Lock Solenoid Connector & Body Ground Is there battery voltage? YES -Go to step 8. NO -Check for blown No. 21 fuse in the under-dash fuse/relay box. If the fuse is OK, repair open in the wire between the shift lock solenoid connector and the under-dash fuse/relay box. 8. Shift the shift lever into the P position, and press the brake pedal. Do not press the accelerator. 9. Measure the voltage between shift lock solenoid connector terminals while pressing the brake pedal Fig. 4: Measuring Voltage Between Shift Lock Solenoid Connector Terminals Is there battery voltage? YES -Check the shift lock mechanism. If the mechanism is OK, replace the shift lock solenoid (see Shift Lock Solenoid Replacement ). NO -Check for poor or loose PCM connector terminal E2 at the PCM, and check for an open in the wire between PCM connector terminal E2 and shift lock solenoid connector. If the connection and wire is OK, substitute a known-good PCM and recheck. KEY INTERLOCK SYSTEM CIRCUIT TROUBLESHOOTING

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2004 Ford Explorer/Mountaineer Anti-Lock Brake System (ABS) Module Diagnostic Trouble Code (DTC) Index Repair Manual

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Filed Under (Ford Manuals) by admin on 20-05-2011

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C1963 Stability Control Inhibit Warning ABS Module This DTC is for information only. CLEAR the DTC. REPEAT the self-test. C1991 Module Calibration Failure ABS Module Follow the diagnostic tool directions for the calibration procedure. C1996 Active Yaw Control Disabled ABS Module This DTC will be set if the stability assist system is activated for 15 seconds of continuous operation. CHECK for any major chassis modifications, gross suspension misalignment, or other items that can alter the vehicle tracking dynamics. CLEAR the DTC. REPEAT the self-test. C1998 Module Calibration Not Complete ABS Module Go To Pinpoint Test Q . C2769 (ABS only) Longitudinal Acceleration Sensor Circuit Failure ABS Module CLEAR the DTC. REPEAT the self-test. If DTC C2769 is present, INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module in this section. C2769 (ABS with stability assist) Longitudinal Acceleration Sensor Circuit Failure ABS Module Go To Pinpoint Test H . C2770 (ABS with Stability Assist) Longitudinal Acceleration Sensor Signal Fault ABS Module Go To Pinpoint Test H . C2770 (ABS only) Longitudinal Acceleration Sensor Signal Fault ABS Module CLEAR the DTC. REPEAT the self-test. If DTC C2770 is present, INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module in this section. C2777 Sensor Cluster Bus Failure ABS Module Go To Pinpoint Test H . C2778 Sensor Cluster Power Supply Failure ABS Module Go To Pinpoint Test H . U1900 CAN Communication Bus Fault-Receive Error Network Fault Section 418-00 . U1901 CAN Network #2 Communication Bus Fault- Receive Error Network Fault Go To Pinpoint Test H . U2023 Fault received from external node Network Fault Section 418-00

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2005 Hyundai Truck Santa Fe TRANSAXLE/ ATA SOLENOID DIAGNOSTIC REPAIR MANUAL

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Filed Under (Hyundai Manuals) by admin on 11-06-2012

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Subject: ATA SOLENOID DIAGNOSTIC CODES P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765, P0770 This TSB supersedes TSB # 05-40-006 to include DTC descriptions in Step 10. DESCRIPTION: Incorrect operation of the transaxle solenoids may result in the following three symptoms: REPAIR PROCEDURE: 1. Check Engine Light illuminated 2. Transaxle held in 3rd gear “Fail-safe” 3. Diagnostic Trouble Codes P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765 or P0770 set. NOTE: Do NOT replace the transaxle for solenoid codes listed as open/short. Instead, follow the repair procedure shown below. 1. Using a Hi-Scan Pro, check for DTC in both the “Engine” and “Automatic Transaxle” menus. Record the DTC and description. 2. From the Hi-Scan Pro, select: ^”Hyundai Diagnosis” menu ^”Vehicle ^”Auto Transaxle” menu ^”Actuation Test” ^Press the F1 button (STRI) and test the LR, UD, 2ND, OD, DCC and FSV solenoid (if applicable). Monitor the Hi-Scan and listen for a solenoid sound from the engine compartment. ^If Hi-Scan shows: ^”TEST FAILURE” and no solenoid sound is heard, go to Step 3. ^”COMPLETED” and solenoid sound is heard, the wiring between the PCM/TCM has no open or short circuits. Go to Step 5. 3. Visually check the wiring harness between the TCM and transaxle for a damaged wire or a short circuit to ground. Disconnect the connectors to the solenoids at the transaxle and the PCM/TCM and check for a bent pin or a pin not fully inserted into the connector. If so, repair or replace the ECM control harness, P/N 914XX-XXXXX 4. Check the harness inside the transaxle oil pan for a short circuit to ground. Replace the harness if damage is found or if three or more solenoid DTCs are found in Step 1. (Refer to TSB # 04-40-015 for instructions). Zoom Sized for Print 5. Refer to the DTC recorded in Step 1 and follow the repair procedure shown. SOLENOID REPLACEMENT: 6. Remove the battery. 7. Drain the radiator. Remove the lower radiator hose from the radiator. 8. Drain the ATF. 9. Remove the valve body cover from the transaxle

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1993 Ford Escort CIRCUIT TEST J – FUEL PUMP CIRCUIT (RELAY AND INERTIA SWITCH)

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Filed Under (Ford Manuals) by admin on 19-01-2012

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resistance between test pin No. 22 and test pins No. 40 and 60. If resistance is less than 10,000 ohms, repair short circuit and repeat QUICK TEST. If resistance is 10,000 ohms or more, go to step 5). 5)Check Fuel Pump Circuit Continuity Turn ignition off. Leave fuel pump relay and PCM disconnected. Measure resistance between FUEL PUMP circuit at fuel pump relay wiring harness connector and test pin No. 22 at breakout box. If resistance is less than 5 ohms, replace PCM and repeat QUICK TEST. If resistance is 5 ohms or more, repair open circuit and repeat QUICK TEST. 10)Code 95/542 A KOEO Code 95/542 indicates one of the following conditions: Engine Starts: * Fuel pump secondary circuit shorted to power. * Fuel pump relay contacts always closed. * Open FPM circuit between PCM and junction to POWER-TO-PUMP circuit. * Left/front HO2S short to power (dual HO2S applications). * Faulty PCM. No Start: * IFS switch circuit open or not reset. * Open circuit in or between PCM and fuel pump. * Faulty ground connection at fuel pump. * Faulty fuel pump. If engine starts, go to step 11). If engine does not start, go to step 15). 11)Check Fuel Pump Operation Turn ignition on. Wait 5 seconds. Listen for fuel pump operation. If fuel pump is off, go to step 13). If fuel pump is on, go to step 12). 12)Check For Fuel Pump Relay Always Closed Turn ignition off. Disconnect fuel pump relay. Turn ignition on. If fuel pump is off with relay disconnected, replace fuel pump relay and repeat QUICK TEST. If fuel pump is on with relay disconnected, repair short to power in POWER-TO-PUMP or FPM circuit. (For models with relay block, also check fuel pump prime plug circuit). Repeat QUICK TEST. 13)Check Continuity Of Fuel Pump Monitor (FPM) Circuit Turn ignition off. Disconnect PCM 60-pin connector. Inspect and repair any damaged terminals. Install EEC-IV Breakout Box (T83L-50-EEC-IV) , leaving PCM disconnected. Disconnect fuel pump relay. Measure resistance between test pin No. 8 (No. 19 on Escort, and Tracer) at breakout box and POWER-TO-PUMP circuit at fuel pump relay wiring harness connector. If resistance is less than 5 ohms, go to step 25) (dual HO2S) or replace PCM and repeat QUICK TEST (single HO2S). If resistance is 5 ohms or more, repair open circuit and repeat QUICK TEST

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2004 Chevrolet Chevy K Silverado – 4WD Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup

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Filed Under (Chevrolet Manuals) by admin on 02-07-2012

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Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement Pickup Removal Procedure Important Clean the evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings in order to avoid possible system contamination. 1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 2. Remove the harness clip from the canister vent solenoid (CVS) line. 3. Disconnect the CVS electrical connector. 2004 Chevrolet Chevy K Silverado – 4WD 4. If the vehicle is equipped with a 6 ft box, disconnect the EVAP CVS line from the canister. 5. Remove the CVS clip from the frame crossmember. 6. Push in the retainer and remove the CVS from the fuel tank clip. 7. If the vehicle is equipped with a 8 ft box, disconnect the EVAP CVS line from the canister. 8. Remove the CVS clip from the frame crossmember. 9. Push in the retainer and remove the CVS from the fuel tank clip. Installation Procedure 1. If the vehicle is equipped with a 8 ft box, install the CVS to the fuel tank until the clip engages. Important On vehicles equipped with a 8 ft box, the CVS line is routed below the frame crossmember. 2. Install the CVS clip to the frame crossmember. 3. Connect the EVAP CVS line to the canister. 4. If the vehicle is equipped with a 6 ft box, install the CVS to the fuel tank until the clip engages. Important On vehicles equipped with a 6 ft box, the CVS line is routed above the frame crossmember. 5. Install the CVS clip to the frame crossmember. 6. Connect the EVAP CVS line to the canister. 7. Connect the CVS electrical connector. 8. Install the harness clip to the canister vent solenoid (CVS) line. 9. Lower the vehicle.

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2004 Chevrolet TrailBlazer Noise Coming From Instrument Panel Cluster (Replace Instrument Panel Cluster (IPC)) Repair Manual

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Filed Under (Chevrolet Manuals) by admin on 18-02-2012

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This bulletin is being revised to add model years and provide important repair information. Please discard Corporate Bulletin Number 04-08-49-015 (Section 08 — Body and Accessories). Condition Some customers may comment on a noise coming from the instrument panel cluster (IPC) while driving or on initial start-up. Instrument clusters may contain stepper motor gages that can make noise during the following conditions: Subject: Noise Coming From Instrument Panel Cluster (Replace Instrument Panel Cluster (IPC)) Models: 2003-2005 Buick LeSabre 2003-2007 Buick Rendezvous 2004-2005 Buick Rainier 2003-2006 Cadillac Escalade, Escalade ESV, Escalade EXT 2003-2005 Chevrolet Cavalier, Impala, Monte Carlo 2003-2006 Chevrolet Avalanche, Suburban, Tahoe, TrailBlazer EXT 2003-2007 Chevrolet Silverado Classic, TrailBlazer 2003-2007 Chevrolet Kodiak Models 2004-2006 Chevrolet SSR 2003-2006 GMC Envoy XL, Yukon, Yukon XL 2004-2005 GMC Envoy XUV 2004-2007 GMC Envoy 2003-2007 GMC Sierra Classic 2003-2004 Oldsmobile Bravada 2003-2005 Pontiac Aztek, Bonneville, Sunfire 2003-2005 HUMMER H2 Attention: Appropriate repair is based on vehicle build date. Use GMVIS to determine the vehicle build date. • Initial startup (gages zero/reset)

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1999 FORD EXPLORER/ RANGER TRANSMISSION-4R44E OR 5R55E-SLIPPING SHIFT/ DELAYED OR NO ENGAGEMENT REPAIR MANUAL

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Filed Under (Ford Manuals) by admin on 18-05-2012

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SERVICE PROCEDURE F87Z-7A100-DB Main Control (4.0L EI Explorer) F87Z-7A100-EB Main Control (4.0L SOHC Explorer) 1. Perform normal diagnosis for this concern. XL2Z-7L491-AA Bracket XL2Z-7G383-AA Electronic Pressure Control (EPC) 2. Perform Line Pressure Tests as listed in the Solenoid 1999 Explorer/Mountaineer, Ranger Workshop Manual. OTHER APPLICABLE ARTICLES: NONE WARRANTY STATUS: Eligible Under The 3. If pressures are low, perform Pinpoint Test for Provisions Of Bumper To the EPC solenoid. Bumper Warranty Coverage And Emissions Warranty 4. Inspect the bracket that attaches the Torque Coverage Converter Clutch (TCC), Shift Solenoid B OPERATION DESCRIPTION TIME (SSB), Shift Solenoid D/Coast Clutch Solenoid 991610A Replace Electronic 1.2 Hrs. (SSD/CCS), and EPC solenoids to the main Pressure Control (EPC) control for damage. If the bracket is damaged, Solenoid And Clean Main replace both the bracket and solenoid. Control (Includes Time For 5. If the bracket is not damaged, inspect the Road Test) – 4R44E Or solenoid for the affected date code (refer to the 5R55E following Manufacturing Date Code Chart) and 991610B For Line Pressure And ID marking (Figure 1, Views 1, 2, and 3). If the Pinpoint Tests, Use “A” solenoid is one of the affected, replace it. Time As Outlined In The Warranty And Policy MANUFACTURING DATE CODE Manual Date Code Month/Year DEALER CODING 868xx August 1998 CONDITION 869xx September 1998 BASIC PART NO. CODE 870xx October 1998 7G383 01 871xx November 1998 OASIS CODES: 501000, 502000, 50300

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2004 Buick LeSabre Shake/Vibration in Steering Wheel, Floor, Seat at Highway Speeds on Smooth Roads (Diagnose/Balance Tires/Wheels) Service Manual

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Filed Under (Buick Manuals) by admin on 04-02-2012

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Correction 1. Visually inspect the tires and the wheels. Inspect for evidence of the following conditions and correct as necessary: 2. Set the tire pressure to 30 psi (205 kPa) COLD. Subject: Shake/Vibration in Steering Wheel, Floor, Seat at Highway Speeds on Smooth Roads (Diagnose/Balance Tires/Wheels) Models: 1998-2005 Buick Park Avenue, Park Avenue Ultra 2000-2005 Buick LeSabre 1998-2004 Cadillac Seville (SLS, STS) 2000-2005 Cadillac DeVille (DTS only) 2001-2003 Oldsmobile Aurora 2000-2005 Pontiac Bonneville (17″ Tires only) • Missing balance weights • Bent rim flange • Irregular tire wear • Incomplete bead seating • Tire irregularities • Mud/ice build-up in wheel • Stones in the tire tread © 2009 General Motors Corporation. All rights reserved 3. Road test the vehicle with the Electronic Vibration Analyzer (EVA) essential tool for a sufficient distance on a known, smooth road surface to duplicate the condition. Record the Hertz (Hz) reading as displayed by the EVA onto the tire data worksheet found at the end of this bulletin. This should be done after a tire break-in period of at least 10 miles (16 km) at 45 mph (72 km/h) or greater, in order to eliminate any possible tire flat-spotting. 4. If the road test indicates a shake/vibration still exists, check the imbalance of each tire/wheel assembly on a known, calibrated, off-car dynamic balancer. If any assembly calls for more than ¼ ounce on either rim flange, remove all balance weights and rebalance to as close to zero as possible. Important: Some GM dealers may have a Hunter GSP9700 Road Force Balancer, or a Coats XR1850 Runout Balancer. Either will simplify Step 5 by not requiring dial indicators. If a Hunter GSP9700 machine is available, it may also be used to measure the radial force of the tire/wheel assembly. A guideline here is 18 lbs or less. 5. While on the balancer, measure wheel runout. If radial or lateral runout exceeds .020 in (0.50 mm) for aluminum wheels (.030 in (0.76 mm) for steel wheels), replace the wheel. 6. After confirming wheel balance and wheel runout, if any changes were made, road test the vehicle again. 7. If the smooth road shake/vibration still exists: Important: THE CONTROL ARMS SHOULD ONLY BE INSTALLED ON VEHICLES IF, AFTER THE TIRE AND WHEEL DIAGNOSIS AND REPAIRS HAVE BEEN PERFORMED, THE VIBRATION CONDITION STILL EXISTS. 8. Replace both lower control arms on vehicles built prior to the following VIN breakpoints. On Aurora, Bonneville, DeVille, Park Avenue, Park Avenue Ultra and Seville models, a newly developed hydro-bushing lower control arm with improved damping characteristics has been released. This control arm is not used on the LeSabre. The new lower control arms may provide an incremental improvement to the vehicle ride. Customers who have become “tuned in” to the shake condition may still feel some shake in the vehicle after the new lower control arms are installed. Refer to Lower Control Arm Replacement in SI (refer to the Parts Information table below for SI document ID numbers) . Important: The completed worksheet must be attached to the hard copy of the repair order. • If a Hunter GSP9700 Road Force/Balancing machine is used, record radial force variation (RFV) on the worksheet at the end of this bulletin. If one or more of the tire/wheel assemblies read more than 18 lbs, match mount the tire to the wheel to get below 18 lbs. Readings of 12 lbs or less are preferable for sensitive customers. • If a Coats XR1850 Runout/Balancing Machine is used, record radial runout of the tire/wheel assemblies on the worksheet at the end of this bulletin. If one or more of the tire/wheel assemblies are more than .040, match mount the tire to the wheel to get below .040. Readings of .030 inch or less are preferable for sensitive customers. • If the RFV or runout cannot be reduced to an acceptable level, replace the affected tire(s) under the guidelines of the GM Tire Warranty. • The screened tire program is only available for the General branded tires used on the Buick LeSabre. Complete the tire request form at the end of this bulletin and fax to Continental/General. • Road test the vehicle to ensure the shake/vibration has been eliminated

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