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 MANUALSGMC1991JIMMY 5.7 K, AUTOMATIC, 4L60/MD8LABOR TIMESENGINE MECHANICALMECHANICALENGINE ASSEMBLY (COMPLETE)REMOVE & REPLACE
1991 GMC Jimmy 5.7 K, Automatic, 4L60/MD8
Engine Assembly (Complete): Remove & Replace
1991 GMC Jimmy 5.7 K, Automatic, 4L60/MD8SECTION Remove & Replace
Includes: R&I Engine Assembly. Transfer Fuel and Electrical Assemblies and Engine Mounts.
DOES NOT include transfer of Manifolds, Valve Cover(s), Timing Cover(s), Oil Pan and/or Water Pump.
NOTE: For bare Engine, refer to Long Block - R&R.
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| V1500,Gas,Automatic Trans | Includes: Transfer all necessary parts to GM exchange Engine. | 11.0 | B | |
| Additional Procedure: ENGINE ASSEMBLY (COMPLETE): Remove & Replace: | ||||
| Automatic Trans, w/Engine to Transmission Braces add | 0.2 | B | ||
| Gas, Where Air Cond interferes add | 0.6 | 0.6 | B | |
| w/Skid Plate add | 0.3 | B | ||
| Where Air Pump interferes add | 0.5 | B | ||
| Where Cruise Control interferes add | 0.2 | B | ||
| Where Engine Oil Cooler interferes add | 0.4 | B | ||
| Where Pwr Strg interferes add | 0.4 | B | ||
| Where Trans Oil Cooler interferes add | 0.2 | B | ||
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.