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diagram of 1983 2l record 4 speed gearbox

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Toyota T50 5 Speed Transmission Electronic Speedo Drive Installation Manual

I have intentionally left the photos large, to try to clarify any detail I did not explain in the text. This modification DOES require the use of a lathe, I have tried to write it so as to allow you to go to your local machine shop, brother in law, mate or anyone with a lathe…and it will be done correctly Much thanks to John O’Rielly (PLAGER 7) in Brisbane for passing on the information and problems he had with this modification. Fig.1Standard Drive Assemblies T50 left and AE101 right T50 Speedo Drive Adaption Rev 1 Feb 2003 2 Step One:- Dissassembly T50 Drive:- Disassembly is simple, remove the “C” clip from the drive housing , just above the drive gear. This will allow the shaft/gear assembly to be withdrawn from the housing. Remove the “O” ring from the housing. Wash all parts internally and externally to remove oil, grease and road grime. Fig.2 T50 Drive Disassembled T50 Speedo Drive Adaption Rev 1 Feb 2003 3 AE101 Drive:- Disassembly is similar to T50, remove the “C” clip from the drive housing , just above the drive gear. This will allow the shaft/gear assembly to be withdrawn from the housing. Remove the “O” rings from the housing. Remove the three (3) philips head screws from the cover on the top of the drive housing. Carefully remove cover, be aware that the small parts in side may be stuck to the cover. Remove all internal parts, record order of assembly. Wash housing and shaft to remove oil, grease and road grime. Fig.3 AE101 Drive Disassembled T50 Speedo Drive Adaption Rev 1 Feb 2003 4 Step Two:- Shortening the Drive Shaft Drive Shaft:- The T50 drive shaft needs to be shortened to a similar length to the AE101. I reassembled the AE101 shaft and housing, and then measured from the top face of the AE101 housing down to the top of the AE101 drive shaft. ( Fig.4) Record this reference depth, (I got 17mm) . Fig.4 Drive Shaft Depth Std AE101 Shaft & Housing The T50 drive shaft will need to be shortened to give the same depth as measured in Fig.4. When I did mine, (and a few others), I found I needed the T50 shaft to be 68.0mm long. Fig.5 Fig.6 The drive shaft is hardened, so I used a belt linisher to shorten the shaft, it could as easily be done on a fine grinding wheel. Remember slowly does it, regular checks of depth in housing and do not let the shaft get too hot during grinding/linishing, this will affect the heat treatment and consequently affect the strength of the drive dogs on the shaft end. Carefully deburr and chamfer, end detail should be similar to original AE101

REV / SPEED METER Vehicle Specific Wiring Diagram Installation

Installation Precautions ?Do not use electro taps in the installation of this product. Electro taps can become loose over time causing the unit to malfunction. This can also lead to vehicle and product damage. Be sure to use wire crimpers and the included splices for a secure connection. ?Be sure that the harness is not exposed to metal. Always wrap all connections with electrical tape. ?How to use the Fittings Strip 5mm from wire Insert sleeve over wire Bend back exposed wire Place male fitting over This ECU terminal arrangement diagram is viewed from the direction of the arrow. The direction of the ECU varies depending upon the vehicle. Perform the installation work after confirming the connector shape and the number of pins. ?If any abnormal noise or abnormal smell is sensed during the installation work of this product stop the work immediately and contact the distributor or your nearest A*PEX business office Continuing the installation under such conditions may cause an electric shock or fire causing damage to electric devices.

1999-2006 Volkswagen A4 Engine Speed Sensor G28 Checking

Special tools, testers and auxiliary items required Multimeter . Wiring diagram. Test requirements The Motronic Engine Control Module (ECM) J220 fuses OK. Battery voltage at least 12.5 volts. All electrical consumers such as, lights and rear window defroster, switched off. Vehicles with automatic transmission, shift selector lever into position “P” or “N” . A/C switched off. Ground (GND) connections between engine/transmission/chassis OK. Ignition switched off. Test procedure Perform a preliminary check to verify the customers complaint. Refer to Preliminary Check Start diagnosis The Engine Speed (RPM) Sensor G28 detects RPM and reference marks. Without an engine speed signal, the engine will not start. If the engine speed signal fails while the engine is running, the engine will stop immediately Function test Connect the scan tool. Switch the ignition on. Using the scan tool, check the engine speed: End diagnosis and switch ignition off. If the specified value was not obtained: Checking internal resistance Disconnect the gray Engine Speed (RPM) Sensor G28 electrical harness connector 7 arrow 7 . Using a multimeter , check the Engine Speed (RPM) Sensor G28 terminals 2 to 3 7 see insert 7 for resistance. Specified value: 0.7 to 1000 kOhm Check Engine Speed (RPM) Sensor G28 terminals 1 to 2 and 1 to 3 for short circuits. Specified value: ? (infinity) If any of the specified values are not obtained: Replace the Engine Speed (RPM) Sensor G28 . Refer to Engine Mechanical, Fuel Injection and Ignition 7 Repair Group 13 . If the specified values are obtained: Checking wiring If the manufacturers test box is being used. Perform the following step. Install the test box Adapter F/VAG1598 (68 Pin) VAG1598/22 . If the manufacturers test box is not being used. Perform the following step. Remove the Motronic Engine Control Module (ECM) J220 . Refer to Motronic Engine Control Module J220, Replacing .


HIGH TENSION WIRE RESISTANCE Carefully remove high tension wires from spark plugs and distributor cap. Using an ohmmeter, measure resistance of wires while gently twisting wires. If resistance is not to specifications, or fluctuates from infinity to any value, replace high tension wire(s). HIGH TENSION WIRE RESISTANCE High Tension Wire Routing For high tension wire routing, see Fig. 2 and Fig. 3 . Fig. 3: Locating High Tension Wires On Distributor Cap Courtesy of MAZDA MOTORS CORP. ADJUSTMENTS DISTRIBUTOR All models are equipped with Mitsubishi electronic ignition with 2 pick-up coils. Air gap is non-adjustable IGNITION TIMING 1. Warm engine to normal operating temperature. Connect a tachometer, then connect timing light to leading (lower) spark plug of front rotor. Start engine and run at idle speed. 2. Check ignition timing and rotate distributor to correct if necessary. Tighten distributor lock nut and recheck timing. 3. Connect timing light to trailing (upper) plug of front rotor. Start engine and check timing. If not correct, loosen vacuum unit attaching screws. Move vacuum unit in or out to adjust trailing timing. Remove test equipment.


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