1986 GMC Caballero Service and Repair Manual
This factory service and repair manual for the 1986 GMC Caballero is written for the two-door standard cab pickup in its three trims, Base, Amarillo and Diablo. Under the hood there were two choices, both naturally aspirated and both OHV: a 5.0L gasoline V8 or a 4.3L gasoline V6. The manual sets out procedures, specifications, torque values, wiring diagrams and diagnostics for each of them, along with the body and chassis work the two engines share.
Engines covered
- 5.0L V8 (305 cu in) — OHV, naturally aspirated, gasoline
- 4.3L V6 (262 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 2-door standard cab pickup
Trims covered
- Base
- Amarillo
- Diablo
Known issues on the 1986 Caballero. Nothing is recorded against this year federally, neither recalls nor owner complaints logged with NHTSA. Anyone working on one of these is dealing with age rather than a known defect, and a factory manual is the right reference for that. It provides procedures, specifications, torque values, wiring diagrams and diagnostics for the 5.0L gasoline V8 and the 4.3L gasoline V6, and for the two-door standard cab pickup in Base, Amarillo and Diablo trim.
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 VEHICLES LIST ABOVE. TH
THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.
HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 20
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 HOUSING MANUFACTURE
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
SOME OWNERS MAY COMMENT ON HIGH OIL CONSUMPTION AFTER A GM GOODWRENCH REMANUFACTURED 4.3L V6 ENGINE IS INSTALLED. *TT
