Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1985CHEVY VAN G20, 6.2 C, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 27 (ENGINE CONTROLS - SYSTEM/COMPONENT TESTS - 6.5L DIESEL)
1985 Chevrolet Chevy Van G20, 6.2 C, Standard
Section 27 (Engine Controls - System/Component Tests - 6.5L Diesel)
1985 Chevrolet Chevy Van G20, 6.2 C, StandardSECTION Section 27 (Engine Controls - System/Component Tests - 6.5L Diesel)
WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 1994 GMC Yukon, 1994 GMC Vandura Special, 1994 GMC Vandura, 1994 GMC Suburban, and 1994 GMC Rally Camper Special. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Relays, Solenoids, Motors & Modules
- Fuel System
- Emission Systems & Sub-Systems
- Miscellaneous ECM Controls
- Diagnostic Charts
- Component Locations
- Wiring Diagrams
- Blazer, Pickup, Sierra, Suburban & YUKON With M/T
- Blazer, Pickup, Sierra, Suburban & YUKON With 4L60-E
- Blazer, Pickup, Sierra, Suburban & YUKON With 4L80-E
- "P" Series Commercial Van - VIN F With 4L80-E
- "P" Series Commercial Van - VIN Y With 4L80-E
- "G" Series Van - VIN P With 4L60-E
- "G" Series Van - VIN Y With 4L80-E
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.