Car engine overhaul Chevrolet Tahoe 2 and 3

Engine Removal and Installation — Early Models
1. Open the hood. 2. Cover both wings with protective mats. 3. Move the hood to the service position: a) Unscrew the bolts (1) of the hood hinge. b) Raise the...

Engine Removal and Installation — Late Models
1. Open the hood. 2. Unscrew the nut securing the ground cable to the hood stud. Tightening torque 9 Nm. 3. Remove the ground cable from the stud. 4. Select...

Disassembling the engine
Note: Part removal procedures not covered here are described above in the relevant sections " Car repair ". Ignore the preliminary operations that were...

Cylinder Block — Check
Note: Do not use caustic soda to clean the aluminum alloy cylinder block. Caution: When washing the unit in a heat bath, do not exceed a temperature of 230°C....

Boring and honing of cylinders
1. Before boring, measure the diameters of NEW pistons to determine the cylinder bore diameter. The piston diameter is measured at a distance of 43 mm from the...

Crankshaft — Check
Caution: When repairing the crankshaft, be careful not to damage the running surfaces of the connecting rod and main journals or the teeth of the synchronizing...

Measuring clearance in main and connecting rod bearings
Plastic gauge method Attention: The crankshaft main and connecting rod bearing shells are high-precision products. The main bearing caps are machined together...

Crankshaft pulley — cleaning and checking
1. Wash the crankshaft pulley with solvent. 2. Use a wire brush to clean the grooves of the pulley under the drive belt of the attachment units. 3. Dry the...

Automatic transmission drive clutch — cleaning and checking
1. Wash the automatic transmission drive clutch with solvent. 2. Dry the coupling with compressed air. 3. Check the condition of the teeth of the ring gear...

Piston, connecting rod and connecting rod bearing
Disassembly Floating type piston pin 1. Remove the connecting rod cap and remove the connecting rod bearing shells. 2. Using a piston ring puller, remove the...

Replacing camshaft bearings
Note: Loss of camshaft bearing fit is mainly determined by changes in the geometry of the bearing seats in the cylinder block. Before removing the bearing,...

Camshaft — Washing and Checking
1. Wash the shaft with solvent. 2. Dry the shaft with compressed air. 3. Check the condition of the shaft journals (1), look for signs of scoring or excessive...

Timing chain and sprockets — cleaning and checking
1. Wash the chain and sprockets with solvent. 2. Dry the parts with compressed air. 3. Check the timing chain (1) for bending or wear. 4. Check the condition...

Variable valve timing system clutch
Caution: Read the precautions for removing and installing the coupling in this chapter. 1. Secure the coupling with a plastic clamp (1), if you have not done...

Electromagnetic valve of the variable valve timing system
Caution: Do not supply 12V from a separate power source to the solenoid valve. 1. Inspect the valve, look for: damage to the wiring connector; accumulation of...

Variable valve timing system valve
Caution: It is not recommended to reinstall the valve, always install a new valve after removing it. The following inspection procedure is for diagnostic...

Rocker arms and push rods — cleaning and checking
Note: Parts that can be reused must be marked so that they can be installed in their original location. 1. Wash the parts with solvent. 2. Dry the parts with...

Pushers and their guides — washing and checking
Note: Parts that can be reused must be marked so that they can be installed in their original location. Conventional pushers 1. Wash the parts with solvent. 2....

Cylinder head — disassembly
Attention: mark the parts so that they can be put back in their old places, do not mix up parts from different sets. 1. Remove the spark plugs. 2. Using a...

Cylinder head — check
Attention: when washing the cylinder head in the oven, do not allow the temperature to rise above 200°C. when cleaning, do not scratch the walls of the...

Checking valves, valve guides and valve seats
Note: excessive clearance between the valve stem and the valve guide can cause noise in the valve train, premature wear of the valve stem seal and,...

Valve and valve seat restoration
Valve and valve seat restoration is carried out using generally accepted methods and available equipment. Caution: Never restore the shut-off chamfer of the...

Cylinder head — assembly
1. Clean the valve spring adjusting shim installation area. Note: Install the valves in their old locations. 2. Install the valves (228). 3. Install the oil...

Oil pump — disassembly and assembly
1. Loosen the bolts (408) securing the oil pump cover. Tightening torque 12 Nm. 2. Remove the oil pump cover (409). Note: Mark the relative positions of the...

Oil collector (since 2007) — check
Attention: do not allow dirt to enter the manifold oil passages. do not remove electrical components from the manifold. do not immerse electrical components in...

Intake manifold — check
1. Remove and discard the intake manifold gasket (514). 2. Remove the absolute air pressure sensor (714). 3. Remove the fuel vapor canister purge solenoid...

Exhaust manifold — check
Caution: Do not reinstall the exhaust manifold gasket. An improperly installed or poorly sealing gasket may affect the operation of the OBD II diagnostic...

Engine assembly
Note: Installation procedures for individual parts not covered here are described above in the relevant sections. Ignore the final operations that are...

Engine Repair Specifications
General information Engine type - V8 Working volume: LM7, L59 - 5.3 l LGM, LY5, LC9 - 5.3 l LQ9, LQ4, L76, LY6 — 6.0 l L92 — 6.2 l Cylinder diameter: L59, LM7...

This section is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share information:

Tahoe 2 and 3 (2000-2014)