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1993 Chevrolet Corvette CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Chevrolet Corvette car and truck
repair procedures including Chevrolet engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Chevrolet Corvette automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
Cooling Fans -> Passenger Cars Except Saturn -> BONNEVILLE -> COMPONENT REPLACEMENT -> Coolant Fan Input Test -> Coolant Fan, Replace -> DESCRIPTION -> High Speed Coolant Fan Input Test -> Lefthand Coolant Fan Does Not Operate In High Speed w/A/C Head Pressure Above 210 psi -> Lefthand Coolant Fan Runs Continuously In High Speed w/Ignition Switch At Run, Engine Coolant Cool & A/C Off -> Lefthand Coolant Fan Runs Continuously In Low Speed w/Ignition Switch At Run, Engine Coolant Cool & A/C Off -> Low Speed Coolant Fan Input Test -> System Check -> System Diagnosis -> SYSTEM DIAGNOSIS & TESTING -> TROUBLESHOOTING
Vehicle: 1993 Chevrolet Corvette 5.7 V8 GAS
DESCRIPTION
Two coolant fans, wired in parallel, operate whenever cooling is required.
The Powertrain Control Module (PCM) has two coolant fan control terminals, one for high speed and one for low speed. When the PCM's low speed control closes at connector C3, terminal C4, it grounds the low speed coolant fan relay coil. When the ignition switch is in the run position and relay contacts close, voltage is supplied to the coolant fans. The coolant fan resistors drop the voltage to the lefthand coolant fan, causing it to run in low speed. The righthand coolant fan runs a...
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BRAKE SERVICE PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
Disc Brakes -> PBR Dual Piston Front Disc Brake -> Caliper Service -> CALIPER ASSEMBLE -> CALIPER DISASSEMBLE -> CALIPER INSTALLATION -> CALIPER REMOVAL
Vehicle: 1993 Chevrolet Corvette 5.7 V8 GAS
CALIPER REMOVAL
- Remove 2/3 of the total brake fluid capacity from master cylinder reservoir.
- Raise and support vehicle, then remove tire and wheel assembly.
- Install two wheel retaining nuts to retain rotor in position.
- If caliper requires overhaul, remove inlet fitting attaching bolt, then disconnect inlet fitting from caliper housing. Discard the two gaskets, then plug openings in inlet fitting and caliper to prevent loss or contamination of fluid. Do not crimp brake hose, as this may damage internal structure of hose.
- Remove circlip (11) and retaining pin (7), Fig. , then pull cali...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Component Locations -> 1984-96 Corvette
Vehicle: 1993 Chevrolet Corvette ZR-1 5.7 V8 GAS
Refer to Fi...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
DRIVESHAFT, Replace -> Axle Shaft -> Propeller Shaft
Vehicle: 1993 Chevrolet Corvette ZR-1 5.7 V8 GAS
Propeller Shaft
- With transmission in neutral and parking brake released, raise and support vehicle, then remove underbody braces, as required.
- Remove exhaust system as follows:
- Disconnect AIR pipe from catalytic converter and exhaust pipe.
- Disconnect electrical connector to oxygen sensor.
- Remove bolts securing muffler to hangers, disconnect exhaust pipes from manifolds and remove exhaust system as an assembly.
- Support transmission, remove support beam retaining bolts and support beam.
- Mark position of shaft in relation to pinion flange for installation.
- Remove straps securing univer...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
Diagnosis & Testing -> 1991-95 -> 1991-96 Diagnostic Trouble Code Identification -> 1996 -> Accessing Diagnostic Trouble Codes -> Intermittent & Poor Connections -> Intermittents -> Poor Connections
Vehicle: 1993 Chevrolet Corvette ZR-1 5.7 V8 GAS
Accessing Diagnostic Trouble Codes
1991-95
The trouble codes can be accessed by connecting a suitable jumper wire between the ALDL connector link terminals B and A. The connector is located under the left side of the instrument panel. The Low Tire Pressure Warning Lamp will blink the trouble codes. The codes may also be accessed by connecting a suitably programmed scan tool to the ALDL connector.
1996
Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow manufacturer's instructions.
1991-96 Diagnostic Trouble Code Identification
[[table data]]Intermittent & Poor Connec...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
Starter, Replace
Vehicle: 1993 Chevrolet Corvette 5.7 V8 GAS
If shims are required between starter and engine block, they should be placed in their original location during installation. If starter is noisy during cranking, remove one .015 inch double shim or add one .015 single shim to outer bolt. If starter makes a high pitched whine after firing, add .015 inch double shims until noise ceases.
- Disconnect battery ground cable.
- Drain cooling system into a suita...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Engine Or Service Now Soon Engine Indicator Lamps (Gasoline Engines w/Electronic Engine Controls Or EFI) -> Except LeMans, Metro, Prizm, Storm & Vibe
Vehicle: 1993 Chevrolet Corvette 5.7 V8 GAS
The Check Engine lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a fault condition and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM memory can be cleared of codes as follows:
On models except Cadillac with DEFI, remove the ECM/PCM fuse or disconnect the battery ground cable for approximately 30...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1993 Chevrolet Corvette ZR-1 5.7 V8 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater hose inlet clamp at throttle body fitting using hose clamp pliers.
- Remove heater inlet hose from throttle body fitting.
- Reposition heater core inlet hose clamp at heater core using hose clamp pliers.
- Remove hose from vehicle.
- Reverse procedure to ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1993 Chevrolet Corvette AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1993 Chevrolet Corvette ZR-1 5.7 V8 GAS
- Disconnect battery ground cable.
- Remove air intake duct from throttle body extension.
- Retract serpentine drive be...
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COMPONENT LOCATION DIAGRAMS FOR 1993 Chevrolet Corvette AUTOMOBILES
Component location diagrams for most 1993 Chevrolet Corvette cars and light trucks sold in the U.S. from 1990+.
 Behind Center of I/P Diagram for 1993 Chevrolet Corvette 5.7 V8 GASComponents on diagram: |
 Rear LH Side of Engine Diagram for 1993 Chevrolet Corvette ZR-1 5.7 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1993 Chevrolet Corvette AUTOMOBILES
OEM drawn wiring diagrams for most 1993 Chevrolet Corvette cars and light trucks sold in the U.S.
 1993 Chevrolet Corvette 5.7 V8 GAS Wiring DiagramComponents on diagram: |
 1993 Chevrolet Corvette 5.7 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1993 Chevrolet Corvette AUTOMOBILES
OEM TSB listings for most 1993 Chevrolet Corvette cars and light trucks sold in the U.S. from 1985+.
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Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1993 Chevrolet Corvette 5.7 V8 GAS Auto Systems: |
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Document: Air Conditioning Odor Vehicle: 1993 Chevrolet Corvette 5.7 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1993 Chevrolet Corvette AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1993 Chevrolet Corvette cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1993 Chevrolet Corvette cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1993 Chevrolet Corvette cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1993 Chevrolet Corvette cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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