Chevrolet Trailblazer / Chevrolet Trailblazer EXT / GMC Envoy / GMC Envoy XL / Oldsmobile Bravada, engine (in Russian)

Content

Inline six-cylinder engine

• General information
• Carrying out repairs without removing the engine from the engine compartment
• Intake manifold - removal and installation
• Valve cover - removal and installation
• Exhaust manifold - removal and installation
• Front cover - removal and installation
• Drive chain, sprockets and tensioner - replacement
• Camshafts, rocker arms and gap compensators - removal and installation
• Cylinder head - removal and installation
• Valves - maintenance
• Front crankshaft oil seal - replacement
• Oil pump and bypass valve - replacement
• Drive disc - removal and installation
• Rear crankshaft oil seal - replacement
• Oil gauge tube - removal and installation
• Engine tray - removal and installation
• Engine mounts - inspection and replacement

Engine overhaul

• General information - engine overhaul
• Oil pressure test
• Checking compression in the engine cylinders and diagnosing with measuring the degree of rarefaction
• TDC position of the first piston - location
• Alternative engine recovery methods
• Engine removal - methods and precautions
• Engine - removal and installation
• Engine overhaul - disassembly sequence
• Pistons and connecting rods - removal and installation
• Crankshaft - removal and installation
• Engine overhaul - assembly sequence
• The first start and running-in of the engine after a major overhaul

Fuel and exhaust system

• General information
• Depressurizing the fuel system
• Fuel pump/fuel pressure - check
• Fuel lines and their connectors - repair and replacement
• Fuel tank - removal and installation
• Fuel tank cleaning and refurbishment - general
• Fuel pump - removal and installation
• Fuel system measuring unit - functional check and replacement
• Air cleaner cover and resonator - removal and installation
• Fuel injection system - general information
• Fuel injection system - general function test
• Throttle block - removal and installation
• Fuel pressure regulator - replacement
• Fuel receiver and injectors - removal and installation
• Exhaust system maintenance - general

Exhaust gas composition monitoring and engine management

• General Information
• On-Board diagnostic (OBD) and fault codes
• PCM control unit - removal and installation
• Throttle position sensor (TPS) - replacement
• Accelerator pedal position sensor (APP) - replacement
• Manifold absolute pressure (MAP) sensor - replacement
• Supply air temperature (IAT) sensor - replacement
• Coolant temperature sensor (ECT) - replacement
• Crankshaft position sensor (CKP) - replacement
• Camshaft position sensor (CMP) - replacement
• Oxygen sensor - replacement
• Knock sensor - replacement
• Vehicle speed ​​sensor (VSS) - replacement
• Crankcase ventilation system
• Evaporative emissions assist (EVAP)
• Camshaft adjuster solenoid valve - replacement
• Catalytic converter

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