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REPAIR INSTRUCTIONS – OFF VEHICLE

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HOLDING FIXTURE INSTALLATION Tools Required J 8763-B Holding Fixture and Base. See Special Tools. Installation Procedure Fig. 190: View Of J 8763-B Courtesy of GENERAL MOTORS CORP. 1. Install the J 8763-B onto the transmission. See Special Tools. 2. Install the J 8763-B into the base. See Special Tools.

SEPARATING PARTS

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The components of an internal combustion engine develop wear patterns with their mating components. During disassembly of the engine, parts should be separated and kept in order so they may be reinstalled in the same location from which they were removed. REPLACING ENGINE GASKETS 1. Do not reuse any gasket unless otherwise specified. Reusable gaskets […]

VEHICLE SPEED SENSOR REPLACEMENT Removal Procedure

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1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. 2. Disconnect the wiring harness electrical connector from the vehicle speed sensor. 3. Remove the harness connector. 1 Fig. 167: View Of VSS, Bolt & O-Ring Seal Courtesy of GENERAL MOTORS CORP. 4. Remove the bolt (2). 5. Remove the vehicle speed […]

CLEANLINESS AND CARE

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An automobile engine is a combination of many of the following surfaces: • Machined • Honed • Polished • Lapped The tolerances of these surfaces are measured in the ten-thousandths of an inch. When you service any internal engine part, cleanliness and care are important. Apply a liberal coating of engine oil to the friction […]

ACCUMULATOR ASSEMBLY, SPACER PLATE AND GASKETS

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Tools Required • J 25025-B Pump and Valve Body Alignment Pin Set. See Special Tools. • J 36850 Transjel Lubricant Removal Procedure 1. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid and Filter Replacement. IMPORTANT: The 1-2 accumulator can be removed without removing the control valve assembly. 2. Remove the control […]

NEW PRODUCT INFORMATION

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The purpose of New Product Information is to highlight or indicate important new features for the service community. Changes may include one or more of the following items: • Torque values and/or fastener tightening strategies • Engine specifications • New sealants and/or adhesives • Disassembly and assembly procedure revisions • Engine mechanical diagnostic procedure revisions […]

TORQUE CONVERTER CLUTCH PULSE WIDTH MODULATION SOLENOID, TORQUE CONVERTER CLUTCH SOLENOID AND WIRING HARNESS

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Tools Required J 28458 Seal Protector Retainer Installer. See Special Tools. Removal Procedure 1. Remove the transmission oil pan and the filter. Refer to Automatic Transmission Fluid and Filter Replacement. Fig. 137: View Of Transmission Harness 20-Way Connector Courtesy of GENERAL MOTORS CORP. 2. Disconnect the transmission harness 20-way connector from the transmission internal harness […]

CONTROL AND SHIFT SOLENOIDS REPLACEMENT Removal Procedure

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4 Fig. 129: Identifying Valve Body Electrical Connections Courtesy of GENERAL MOTORS CORP. 1. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid and Filter Replacement. IMPORTANT: Do not remove the valve body for the following procedures. Removal of the 1-2 accumulator is necessary only if servicing the pressure control solenoid. 2. […]

EXHAUST CAMSHAFT POSITION ACTUATOR DESCRIPTION

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The camshaft position actuator is bolted to the front of the exhaust camshaft and is integral with the sprocket. The actuator and sprocket can only be replaced as one unit. The total range of actuator rotation is 0 to 25 camshaft degrees. At idle, the exhaust camshaft position actuator is at full advance or 0 […]

VALVE BODY AND PRESSURE SWITCH REPLACEMENT

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Removal Procedure Fig. 108: Identifying Valve Body Electrical Components Courtesy of GENERAL MOTORS CORP. 1. Ensure that removal of the valve body is necessary before proceeding. IMPORTANT: The following components can be serviced without removing the valve body from the transmission: • The torque converter clutch (TCC) solenoid (1) • The pressure control solenoid (2) […]