Skip the auto shop - Our mechanics make house calls

Q: Transmission not shifting right on a '96 GMC Jimmy

asked by on

I have a '96 GMC Jimmy 4.3 with a 1.60 E transmission not shifting right between first and second but I have to rev to 500 to get to third and fourth. What do you think? All the fluids are correct.

At that age I’m amazed it’s still running. It probably needs an overhaul. But do what I always tell people with those things, change out a quart of transmission fluid and put in one quart of Lucas anti-slip additive and drive it 250 miles. Sometimes that helps. If it doesn’t, odds are that the transmission needs to be rebuilt with it being that old.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: AC quit working

Hello. The symptoms you are experiencing can be caused by a variety of issues. The first thing I would check is the pressure of the system, as a system that is low on refrigerant may not produce cold air. I...

Q: Traction control light on, brakes engage

A few different faults can cause this sort of malfunction. The most likely would be the ABS control module, traction control sensor failure, traction control module, or a wiring fault. Any of these issues are causing the car's computer to...

Q: When moving the shifter in reverse, it won't engage

Yes, your description is that of a common problem. The issue usually results from a clutch being out of adjustment. The adjustment that you likely need is known as the clutch actuator adjustment. To adjust the clutch, the technician must loosen...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.