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 MANUALSGMC1991SYCLONE V6-262 4.3L TURBOPARTS AND LABORTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLELABOR TIMES
1991 GMC Syclone V6-262 4.3L Turbo
Automatic Transmission/Transaxle: Labor Times
1991 GMC Syclone V6-262 4.3L TurboSECTION Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Tune-Up | ||||
| Note | ||||
| With Skid Plate, Add | 0.4 | 0.0 | A | |
| THM-700-R4, 4L60 & 3L30 | 1.7 | 0.0 | A | Includes: R&R Trans Pan, Service Filter And Make All Necessary Adjustments. |
| Diagnose/Test | ||||
| THM-700-R4 (4L60-4L60E) | 1.2 | 0.0 | B | |
| Replace | ||||
| THM 180 (3L30) | ||||
| R&R Only | 3.2 | 0.0 | B | |
| Renew Unit | 4.6 | 3.2 | B | |
| THM 700-R4 (4L60-4L60E) | ||||
| R&R Only | ||||
| Note | ||||
| With Skid Plate, Add | 0.5 | 0.0 | B | |
| To Replace Flywheel, Add | 0.4 | 0.0 | B | |
| 4L60 | 7.5 | 0.0 | B | |
| 4L60-E | 8.0 | 0.0 | B | |
| Renew Unit | ||||
| Note | ||||
| With Skid Plate, Add | 0.5 | 0.3 | B | |
| To Replace Flywheel, Add | 0.4 | 0.2 | B | |
| 4L60 | 8.1 | 0.0 | B | |
| 4L60-E | 8.6 | 0.0 | B | |
| Overhaul/Rebuild | ||||
| THM 180 (3L30) | 8.8 | 6.6 | A | Includes: R&R Transmission. |
| THM 700-R4 (4L60-4L60E) | ||||
| 4L60 | 14.5 | 0.0 | A | |
| 4L60-E | 14.7 | 0.0 | A | |
| Note | ||||
| With Skid Plate, Add | 0.5 | 0.3 | A |
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.