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1993 Chevrolet P30 VAN 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
- Maintenance Lamp Reset

A/C & HEATER SERVICE PROCEDURES FOR 1993 Chevrolet P30 VAN AUTOMOBILES
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> HEATER CORE, REPLACE -> ASTRO & SAFARI -> Auxiliary Unit -> C & K SERIES -> G SERIES -> LUMINA APV, SILHOUETTE & TRANS SPORT -> Main Unit -> S/T-10/15 -> TRACKER
Vehicle: 1993 Chevrolet P30 VAN 6.2 V8 DIESEL
ASTRO & SAFARI
Main Unit
- Disconnect battery ground cable and drain cooling system.
- Disconnect heater hoses from core tubes, then remove instrument panel lower right filler panel.
- Remove lower air distributor duct, then the defroster outlet duct.
- Remove heater case cover mounting screws, then case cover.
- Remove the heater core mounting screws, then the heater core.
- Reverse procedure to install.
Auxiliary Unit
- Disconnect battery ground cable and drain cooling system.
- Disconnect clamps from heater...
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BRAKE SERVICE PROCEDURES FOR 1993 Chevrolet P30 VAN AUTOMOBILES
Disc Brakes -> Delco-Moraine Single Piston Caliper -> Troubleshooting -> Brake Rattle -> Brake Roughness Or Chatter; Pedal Pumping -> Caliper Brake Fluid Leak -> Excessive Pedal Effort -> Excessive Pedal Travel -> Heavy Brake Drag -> No Braking Effect When Brake Pedal Is Depressed -> Pull, Uneven Or Grabbing Brakes -> Rear Brakes Locking On Application
Vehicle: 1993 Chevrolet P30 VAN 4.3 V6 GAS
Excessive Pedal Travel
- Worn brake linings.
- Disc pads knock back after cornering or rough road travel.
- Piston and linings not properly seated or positioned.
- Insufficient fluid in system.
- Loose wheel bearing adjustment.
- Damaged or worn caliper piston seal.
- Improper booster pushrod adjustment.
- Pads out of flat more than .005 inch.
- Rear brake automatic adjusters inoperative.
- Improperly ground rear brake shoes.
Brake Roughness Or Chatter; Pedal Pumping
- Excessive lateral runout of rotor.
- Rotor excessively out of parallel.
Excessive Pedal Effort
- Frozen or seized pistons.
- Brake fluid, oil or grease on ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1993 Chevrolet P30 VAN AUTOMOBILES
General Motors Corp./Saturn Trucks -> Reduce Engine Power Indicator Lamp ->
Vehicle: 1993 Chevrolet P30 VAN 5.7 V8 GAS
The Reduce Engine Power indicator lamp should light for a approximately 3 seconds when the ignition is turned On as a bulb check. If the warning lamp turns On during vehicle operation, a vehicl...
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COMPONENT LOCATION DIAGRAMS FOR 1993 Chevrolet P30 VAN AUTOMOBILES
Component location diagrams for most 1993 Chevrolet P30 VAN cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1993 Chevrolet P30 VAN AUTOMOBILES
OEM drawn wiring diagrams for most 1993 Chevrolet P30 VAN cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1993 Chevrolet P30 VAN AUTOMOBILES
OEM TSB listings for most 1993 Chevrolet P30 VAN cars and light trucks sold in the U.S. from 1985+.
Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1993 Chevrolet P30 VAN 4.3 V6 GAS Auto Systems: |
Document: Air Conditioning Odor Vehicle: 1993 Chevrolet P30 VAN 4.3 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1993 Chevrolet P30 VAN AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1993 Chevrolet P30 VAN 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 P30 VAN 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 P30 VAN 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 P30 VAN 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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