1987 Chevrolet Blazer service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Custom Deluxe Sport Utility 2-Door
- Silverado Sport Utility 2-Door
Engines covered
- 5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated
- 6.2L 379Cu. In. V8 DIESEL OHV Naturally Aspirated
- 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHI
THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN
HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING N
CERTAIN PRO-A MOTORS CORNER LAMPS, TURN SIGNALS, AND HEADLIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT E
WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING I
PRO-A MOTORS WILL NOTIFY OWNERS AND OFFER TO REPURCHASE THE LAMPS. THE RECALL BEGAN ON AP
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FU
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGA
END GATE LATCH RATTLE (INSTALL REVISED STRIKER). *TW
WATER LEAK AT THE A/C RECIRCULATION DOOR (INSTALL NEW HOOD HINGE SEAL). *TW
FRONT DOOR SIDE GLASS BINDING/TRACK DISENGAGEMENT. *TW
WHEN INVOLVED IN AN ACCIDENT, HIT ON DRIVER'S SIDE BEHIND THE DOOR WHERE THE GAS TANK IS LOCATED, AND TRUCK CAUGHT ON FIRE AND BURNED TOTALLY.*AK
THE OWNER WAS IN AN ACCIDENT AND HAD HIS SEAT BELT ON, BUT DURING THE ACCIDENT, BOLT CAME RIGHT OUT OF THE FLOOR THROWING PASSENGER RIGHT OUT THE TRUCK. *AK
LEFT REAR WHEEL CAME OFF CAR, CAUSING ACCIDENT. (OHIO STATE POLICE REPORT) *DSH
STEERING WHEEL LOCKED UP, CAUSING ACCIDENT. (NEW JERSEY STATE POLICE REPORT)*SD
Showing the 4 most serious of 38 complaints filed with NHTSA.
