|
|
Content .. 1217 1218 1219 1220 ..
ENGINE MECHANICAL COOLING SYSTEM TROUBLE SHOOTING BRAKE SYSTEM Parking Brake cables frozen See DRUM BRAKES BRAKE SYSTEM Incorrect installation of inboard disc pad Remove and replace correctly Power booster output rod too long See POWER BRAKE UNITS BRAKE SYSTEM Brake pedal not returning freely See DISC, DRUM BRAKES BRAKE SYSTEM Brakes Grab or Uneven Braking Action Malfunction of combination valve See CONTROL VALVE or BRAKE SYSTEM Malfunction of power brake unit See POWER BRAKE UNITS or BRAKE SYSTEM Binding brake pedal See DISC, DRUM BRAKES or BRAKE SYSTEM Pulsation or Roughness Uneven pad wear caused by caliper See DISC BRAKES or BRAKE SYSTEM Uneven rotor wear See DISC BRAKES or BRAKE SYSTEM Drums out-of-round Reface or replace drums NOTE: This is GENERAL information. This article is not intended to be
2008 Chevrolet Silverado 1500 GENERAL INFORMATION Trouble Shooting - Basic Procedures
COOLING SYSTEM TROUBLE SHOOTING CONDITION & POSSIBLE CAUSE CORRECTION Overheating Coolant Leak Fill/Pressure Test System A/C Condenser Fins Clogged Remove/Clean Condenser Radiator Fins Clogged Remove/Clean Radiator Thermostat Stuck Closed Replace Thermostat Clogged Cooling System Passages Clean/Flush Cooling System Water Pump Malfunction Replace Water Pump Fan Clutch Malfunction Replace Fan Clutch Retarded Ignition Timing Reset Ignition Timing Cooling Fan Malfunction Test Cooling Fan/Circuit Cooling Fan Motor Malfunction Test Fan Motor Cooling Fan Relay Malfunction Test Fan Relay Faulty Radiator Cap Replace Radiator Cap Broken/Slipping Fan Belt Replace Fan Belt Restricted Exhaust Repair Exhaust System Corrosion Impurities In Coolant Clean/Flush System Coolant Leakage Damaged hose Replace Hose Leaky Water Pump Replace Water Pump Damaged Radiator Seam Replace/Repair Radiator Leaky Thermostat Cover Replace Thermostat Cover Cylinder Head Problem Check Head/Head Gasket Leaky Freeze Plugs Replace Freeze Plugs Recovery System Inoperative Loose and/or Defective Radiator Cap Replace Radiator Cap Overflow Tube Clogged and/or Leaking Repair Tube Recovery Bottle Vent Restricted Clean Vent No Heater Core Flow Collapsed Heater Hose Replace Heater Hose Plugged Heater Core Clean/Replace Heater Core
2008 Chevrolet Silverado 1500 GENERAL INFORMATION Trouble Shooting - Basic Procedures
GASOLINE ENGINE - MECHANICAL TROUBLE SHOOTING BASIC GASOLINE ENGINE - MECHANICAL TROUBLE SHOOTING CHART Faulty Heater Valve Replace Heater Valve NOTE: This is GENERAL information. This article is not intended to be CONDITION & POSSIBLE CAUSE CORRECTION Engine Lopes At Idle Intake manifold-to-head leaks Replace manifold gasket, See ENGINES Blown head gasket Replace head gasket, See ENGINES Worn timing gears, chain or sprocket Replace gears, chain or sprocket Worn camshaft lobes Replace camshaft, See ENGINES Overheated engine Check cooling system, See COOLING Blocked crankcase vent valve Remove restriction Leaking EGR valve Repair leak and/or replace valve Faulty fuel pump Replace fuel pump Engine Has Low Power Leaking fuel pump Repair leak and/or replace fuel pump Excessive piston-to-bore clearance Install larger pistons, See ENGINES Sticking valves or weak valve springs Check valve train components, See ENGINES Incorrect valve timing Reset valve timing, See
2008 Chevrolet Silverado 1500 GENERAL INFORMATION Trouble Shooting - Basic Procedures
ENGINES Worn camshaft lobes Replace camshaft, See ENGINES Blown head gasket Replace head gasket. See ENGINES. Clutch slipping Adjust pedal and/or replace components, See ENGINES Engine overheating Check cooling system, See COOLING Auto. Trans. pressure regulator valve faulty Replace pressure regulator valve Auto. Trans. fluid level too low Add fluid as necessary Improper vacuum diverter valve operation Replace vacuum diverter valve Vacuum leaks Inspect vacuum system and repair as required Leaking piston rings Replace piston rings, See ENGINES Faulty High Speed Operation Low fuel pump volume Replace fuel pump Leaking valves or worn Replace valves and/or springs, See ENGINES Incorrect valve timing Reset valve timing,See ENGINES Intake manifold restricted Remove restriction Worn distributor shaft Replace distributor Faulty Acceleration Improper fuel pump stroke Remove pump and reset pump stroke Incorrect ignition timing Reset ignition timing, See TUNE-UP Leaking valves Replace valves, See ENGINES Worn fuel pump diaphragm or piston Replace diaphragm or piston Intake Backfire
2008 Chevrolet Silverado 1500 GENERAL INFORMATION Trouble Shooting - Basic Procedures
Content .. 1217 1218 1219 1220 ..
|
|
|