Technical data of the engine 3.8 liters (V6) General characteristics of the engine Cylinder numbering (from drive belt to gearbox): front row (from the side of the radiator) — 1-3-5 Back row - 2-4-6 The...
General information about engine repair Note. On vehicles equipped with a Delco Loc II audio system, ensure that the audio system interlock device is disabled before performing any procedures to...
Repair work performed without removing the engine Before starting any repair work, clean the vehicle's engine compartment and engine housing with a suitable detergent. This will facilitate the work and prevent...
Removing and installing valve covers Front cover (from the side of the radiator) 1. Disconnect the wire from the negative battery terminal. 2. Remove the wires from the spark plugs and remove the...
Replacing springs, crackers and valve cuffs Note. Broken valve springs and damaged valve stem seals can be replaced without removing the cylinder head. Typically, this operation requires two special...
Removal and installation of an inlet collector Withdrawal 1. Relieve pressure in the fuel supply system ( see chapter 4, section 2 ). 2. Disconnect the wire from the negative battery terminal. 3. Remove the...
Removal, check and installation of pushers of valves 1. A noisy valve lifter can be easily detected when the engine is idling. Enough by wearing a stethoscope (or by bringing one end of a piece of hose to your...
Removal and installation of exhaust manifolds Attention! Allow the engine to cool completely before starting this operation. Note. Exhaust system parts are often difficult to remove - they burn through the...
Removal and installation of a head of cylinders Withdrawal 1. Disconnect the wire from the negative battery terminal. 2. Disconnect the wires and unscrew the spark plugs ( see chapter 1, section 32 ). To...
Removal and installation of antivibrator Attention! The antivibrator is serviced in assembled form. Do not attempt to separate the pulley from the balancer hub. 1. Disconnect the wire from the...
Replacing the front crankshaft seal 1. Remove the anti-vibrator ( see section 11) . If there is a groove on the surface of the antivibrator, then there are also cuffs that go into the groove,...
Removing and installing the timing chain cover Note. This procedure requires a special tool. Read the entire section through to the end before you get started. 1. Disconnect the wire from the negative...
Removal and installation of the oil pump Withdrawal 1. Remove the oil filter ( see chapter 1, section 12 ). 2. Remove the oil filter flange mounting bolts, remove the pressure regulator valve and...
Removal and installation of an oil crankcase 1. Disconnect the wire from the negative battery terminal. 2. Raise the vehicle and support it securely on stands. 3. Drain engine oil and change oil filter (...
Checking and replacing engine mounts Attention! When performing repair operations, a special tool GM N J28467 is available to ground the engine. If the vehicle is only supported by a jack, do not...