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where is the low coolant sensor located on the 2002 grand prix

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Low Engine Coolant Level Indicator Always On (Diagnose Low Coolant Level System Operation/Check Sensor for Oil Contamination)

2000-2002 Buick Century, Regal 2000-2001 Chevrolet Lumina 2000-2002 Chevrolet Impala, Monte Carlo 2000-2002 Pontiac Grand Prix 2000-2002 Oldsmobile Intrigue 1. Verify that the coolant is at proper level in the radiator and the coolant recovery bottle. If the coolant is low, add proper amount of 50/50 water and DEX-COOL® mixture. If the low coolant light operates properly, diagnose the cooling system for loss of coolant as outlined in SI. DO NOT proceed further with this bulletin. 2. Remove the low coolant level sensor. Refer to Coolant Level Module Replacement in the Engine Cooling sub-section. 3. With the key on, the engine off and the coolant level sensor disconnected from the vehicle wiring harness, observe the low coolant light: Subject: Low Engine Coolant Level Indicator Always On (Diagnose Low Coolant Level System Operation/Check Sensor for Oil Contamination) Models: 2000-2002 Buick Century, Regal 2000-2001 Chevrolet Lumina 2000-2002 Chevrolet Impala, Monte Carlo 2000-2002 Pontiac Grand Prix 2000-2002 Oldsmobile Intrigue • Light is on — Chassis wiring or instrument cluster concern. Follow the appropriate diagnostic information in SI. • 4. With the key off, connect the coolant level sensor into the vehicle’s wiring harness. Connect a ground wire (1) to the battery negative terminal. Using a sharp probe (3) attached to the ground wire, ground the coolant sensor probe (2) as shown in the illustration. Make sure a good contact is made. With the key on and the engine off, observe the low coolant light for at least 15 seconds. 5. Using a small wire brush or emery cloth, polish the low coolant level sensor probe to remove any film or oxidation. The probe should be a bright brass color when finished. Use Brake Parts Cleaner to flush removed deposits from the low coolant sensor probe. Reinstall the low coolant sensor into the vehicle and proceed to Step 6. 6. Flush the cooling system and install new DEX-COOL® mixture as outlined in the SI. Check the vehicle’s warranty history to determine if any engine gasket had recently been changed. If there has not been a recent gasket replacement, locate and repair the source of the engine oil contamination


1999-2002 CHEVROLET SILVERADO 2000-2002 CHEVROLET TAHOE, SUBURBAN 2002 CHEVROLET AVALANCHE 1999-2002 GMC SIERRA 2000-2002 GMC YUKON, YUKON XL LOCATED IN THE SEVERE CORROSION AREAS LISTED BELOW Service Procedure The following procedure provides instructions for repairing a corrosion condition where the front wheel speed sensor mounts on the front wheel bearing assembly. 1. Raise the vehicle on a suitable hoist and support as necessary. 2. Remove both front tires and wheels. 3. Compress the front brake caliper pistons. 3.1. Install a large C-clamp over the top of the caliper housing and against the back of the outboard pad. 3.2. Slowly tighten the C-clamp until the pistons are pushed completely into the caliper bores. 3.3. Remove the C-clamp from the caliper. Important: It is not necessary to remove the front brake caliper from the bracket when removing the bracket in the next step. 4. Remove the two bolts that attach the front brake caliper mounting brackets to the knuckle. Notice: Support the brake caliper with heavy mechanic’s wire, or equivalent, whenever it is separated from its mount, and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak. 5. Remove the brake caliper and bracket as an assembly and support it with heavy mechanic’s wire or equivalent. DO NOT disconnect the hydraulic brake flexible hose from the caliper. 6. Mark the relationship of the rotor to the bearing hub. 7. If equipped, remove the rotor retaining push nuts from the wheel studs

2002 Toyota Truck Tundra Access Cab SR5 2WD Timing Belt Service and Repair Manual

2002 Toyota Truck Tundra Access Cab SR5 2WD V6-3.4L (5VZ-FE) Copyright © 2008, ALLDATA 9.50 Page 2 REMOVAL 1. REMOVE ENGINE UNDER COVER 2. DRAIN ENGINE COOLANT 3. DISCONNECT UPPER RADIATOR HOSE 4. DISCONNECT PS PUMP FROM ENGINE a. Disconnect the 2 PS air hoses from the air intake chamber and resonator. b. Remove the bolt holding the PS pressure tube clamp to the frame. c. Remove the drive belt. d. Remove the bolt and nut, and disconnect the PS pump from the engine. 5. w/ A/C: DISCONNECT A/C COMPRESSOR FROM ENGINE a. Disconnect the A/C compressor connector. b. Remove the drive belt. c. Remove the 4 bolts, and disconnect the A/C compressor from the engine. 6. LOOSEN FAN WITH FLUID COUPLING AND FAN PULLEYS 7. REMOVE DRIVE BELT FOR GENERATOR 8. REMOVE NO.2 FAN SHROUD 9. REMOVE FAN WITH FLUID COUPLING AND FAN PULLEYS 10. w/ A/C: REMOVE A/C COMPRESSOR BRACKET Remove the 5 bolts and A/C compressor bracket. 11. DISCONNECT UPPER RADIATOR HOSE 12. REMOVE NO.2 TIMING BELT COVER a. Disconnect the camshaft position sensor connector from the No. 2 timing belt cover. b. Disconnect the 4 high-tension cord clamps from the No. 2 timing belt cover. c. Remove the 6 bolts and timing belt cover. 13. REMOVE FAN BRACKET a. Remove the nut and PS pump adjusting strut. b. Remove the bolt, nut and fan bracket. 14. SET NO. 1 CYLINDER AT TDC/COMPRESSION a. Turn the crankshaft pulley and align its groove with timing mark “0″ of the No. 1 timing belt cover. b. Check that the timing marks of the camshaft timing pulleys and No. 3 timing belt cover are aligned. If not, turn the crankshaft pulley 1 revolution (360°) . HINT: When re-using timing belt: Place the matchmarks on the timing belt and camshaft timing pulleys, and place matchmark on timing belt to match the end of the No. 1 timing belt cover. 15. REMOVE TIMING BELT TENSIONER Alternately loosen the 2 bolts, and remove them, the belt tensioner and dust boot. 16. REMOVE TIMING BELT

2000-2002 Toyota Corolla, Celica, MR2 Spyder, and ECHO DTC P1349 – VVTi ACTUATOR Repair Manual

TC P1349 – VVTi ACTUATOR – EG009-03 May 19, 2003 Page 3 of 4 1. Inspect the condition of the valve cover oil baffle as per TSB EG007-02. If camshaft or camshaft position sensor damage resulting from a bent baffle is identified, repair the damage as necessary. 2. Make sure the vehicle is in “PARK” with the engine idling. 3. Referring to the screen flow below, connect the Toyota Diagnostic Tester to the vehicle and select the VVT Control Bank One Active Test (VVT CTRL B1) from the Active Test Menu. 1: DATA LIST 2: DTC INFO 3: 4: SNAPSHOT 5: SYSTEM CHECK 6: RESET MEMORY 7: MONITOR INFO 8: CHECK MODE SELECT DATA B DIAGNOSTIC MENU ENGINE A C INJ VOL A/F CONTROL CAN CTRL VSV TANK BYPASS VSV EVAP VSV (ALONE) A/C MAG CLUTCH FUEL PUMP/SPD LINE PRESS UP VVT CTRL B1 Confirm that the Vehicle is Stopped And Engine Idling 3: ACTIVE TEST PRESS [ENTER] INJECTOR 3.5ms IGN ADVANCE 11.0deg CALC LOAD 22% MAF 3.68gm/s ENGINE SPD 684rpm COOLANT TEMP186.8F INTAKE AIR 129.2F THROTTLE POS 14% CTP SW ON VEHICLE SPEED0MPH O2S B1S2 0.82V AFS B1 S1 3.25V SHORT FT #1 1.5% LONG FT #1 5.4% TOTAL FT #1 1.08 E D VVT CTRL B1 OFF INJECTOR 8.3ms IGN ADVANCE 5.0deg CALC LOAD 0% MAF 0.00gm/s ENGINE SPD 0rpm COOLANT TEMP186.8F INTAKE AIR 129.2F THROTTLE POS 14% CTP SW ON VEHICLE SPEED0MPH O2S B1S2 0.33V AFS B1 S1 3.29V SHORT FT #1 -0.1% LONG FT #1 5.4% TOTAL FT #1 1.08 VVT CTRL B1 ON 4. Using the right arrow key, toggle the VVTi actuator “ON.” 5. If at this point the vehicle does not run rough and/or stalls when the active test is performed, proceed with Repair Manual P1349 VVTi Fault Isolation Procedure (FIP). If the vehicle does stall and/or runs rough, this indicates the the VVTi control system is operating. Proceed to replace the VVTi actuator following the repair procedures listed on the Technical Information System (TIS): Engine Mechanical Section, Camshaft, Replacement The camshaft timing gear should come in the unlocked position from the factory. If it is difficult to install the camshaft timing gear, the lock pin may be engaged. To disengage the lock pin, apply and hold approximately 20 psi of air pressure at the oil feed hole located 90 degrees clockwise of the oval slot. (See Figure 1.) Once the pin has released, turn the interior assembly counterclockwise. (See black arrow in Figure 1.) B. Put the camshaft timing gear assembly and the camshaft together with the straight pin off the key groove. C. Turn the camshaft timing gear assembly (as shown in Figure 2) while pushing it lightly against the camshaft. Push further at the position where the pin fits into the groove. NOTE: Be sure not to turn the camshaft timing gear to the retard angle side (in the clockwise direction). D. Check that there is no clearance between the end of the camshaft and the camshaft timing gear. E. Tighten the camshaft bolt with the camshaft timing gear fixed. Torque: 54 Nm (551 kgfcm, 40 ftlbf) F. Check that the camshaft timing gear assembly can move to either side and is not locked

2000-2002 Infiniti G20 MIL “ON” REAR O2 SENSOR DTC P0138/P0139/P0140 Repair Manual

SERVICE PROCEDURE You will be performing the following, as required: • Determine the DTC Stored in ECM from the CONSULT-II Self-diagnosis results. • ECM Part Number Check to determine if this bulletin applies. • ECM Reprogramming (required if the ECM P/N in the vehicle matches one of those listed under “Current ECM P/N” in Chart A -page 2). • Replacing the Rear Oxygen Sensor (required if ECM Reprogramming is needed). Determine the DTC Stored in ECM: 1. Determine which DTC code is stored in the vehicle’s ECM by performing CONSULT-II Self-Diagnosis. 2. Print out the Self-Diagnosis results for use in ECM Part Number Check , below. See Figure 1 for an example of the CONSULT-II Self-Diagnosis printout. Figure 1 SELF-DIAG RESULTS SYSTEM ENGINE DATE 03/15/2002 3:35:35 P/N 23710-7J400 DTC Code TP020169 DTC RESULTS TIME HO2S2 (B1) 3 [P0138] Current ECM Part Number 2/3 ECM Part Number Check 1. Compare the vehicle’s current ECM P/N (from your CONSULT-II Self Diagnosis printout) to those shown under Current ECM P/N in Chart A , below: Chart A – Current ECM P/N’s: Vehicle Current ECM P/N 2000 M/T 23710-7J400, -7J401, -7J402, -7J460 2000 A/T 23710-7J410, -7J411, -7J412, 7J470 2001-2002 M/T 23710-6J105, -6J106, -6J107, -6J108, 6J170 2001-2002 A/T 23710-6J115, -6J116, -6J117, -6J118, -6J180 A. If the ECM P/N in the vehicle matches one of those listed under “Current ECM P/N” in Chart A (above): • Look in the “Vehicle” Column in Chart A (above) and determine the vehicle “configuration” (i.e. 2002 M/T). Make a note of the vehicle configuration and perform ECM Reprogramming , below. B. If the ECM P/N in the vehicle does not match one of those listed under “Current ECM P/N” in Chart A (above): • This bulletin does not apply. Use the appropriate Electronic Service Manual (ESM) to further diagnose and repair the incident. ECM Reprogramming 1. Perform ECM Reprogramming to install the latest available ECM data. • If you are unfamiliar with ECM Reprogramming, click here to link to the “ECM Reprogramming For Infiniti Vehicles” general procedure or refer to Attachment A in the print copy of this bulletin. • For those familiar with ECM Reprogramming, perform the following: