Q: Truck won't shift out of first gear - 1979 Chevrolet C10
I installed a used motor into my pickup and my automatic transmission won’t shift out of first gear. I took a look at the kick down linkage and the vacuum lines, and they seem OK. Do you have any ideas or suggestions, solutions?
Recommended Services
| Transmission Fluid Service | $140.08 - $502.73 | Get a Quote |
| Car is hard to shift Inspection | $94.99 - $114.99 | Get a Quote |
Hello. There are several possibilities here: the vacuum modulator valve, the governor in the transmission, or possibly incorrect fluid level in the transmission. If you would like to have this checked, a qualified professional from YourMechanic can come to your car’s location to inspect the shifting issue and advise on repairs.
The statements expressed above are only for informational purposes and should be independently verified. Please see our
terms of service
for more details
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
What others are asking
Oil leak.
I would start out by taking a large piece of cardboard and park your car over it over night, by looking at the drips on the cardboard this will tell you roughly where the drips are coming from. Sometimes drips...
Improving MPG on a '93 Chevy G30
This car is known to be a gas hog. You've got a big block Chevy V8 and it's an old one, so it has a basic, really old-fashioned fuel injection system that doesn't work all that well. There's really nothing...
Rear brakes squeak in new 2016 car, but dealership can't hear it
Sure, we'll be happy to help you. I would probably check the brake hardware kit. The hardware kit consist of slide pins and the little shims that the brake pads fit in. There could be some corrosion build up either of those systems...
fuses blow, check engine light on, compressor needs replacing
As far as the power window fuse, there is obviously a shorted circuit causing the fuse to pop every time. The components of the system must be inspected by an automotive electrical technician to track down the fault. The stalling...
How do I keep my car doors from locking automatically?
If your vehicle is equipped with an LCD display, then while the car is parked and with the ENGINE START/STOP button in the ON position or with the engine running, press the TRIP button for more than 2 seconds. The...
Is the problem my fuel pump, relay, or connector.
It could be all three problems. The fuel pump may be drawing too many amps or connection at the pump is not making real good contact and needs pump and connector replaced. The fuel pump relay and contact connector pins...
Ground locations
You are correct there are more ground locations. The problem is you may have a hundred or more ground locations on this vehicle and would need a wiring diagram to show all of them to you. If you are having...
My coolant leaks out as soon as I fill it.
There could be a coolant leak on a coolant hose, the radiator, the reservoir, the heater core, or one or more freeze plugs on your engine. It is best to on a pressure tester on your cooling system and check...
Engine RPM fluctuates
Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate. The idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) is a small valve on the engine's intake system that reads the...
Related articles
Symptoms of a Bad or Failing Support Bearing
Common signs include unusual noises and shuddering during acceleration.
How Long Does a Kickdown Cable Last?
In In order for a car to run smoothly, the engine and the transmission will have to work together. With all of the different components in the engine and transmission of a car, keeping up with them all can be...
How to Drive a Manual Transmission Car Without Using the Clutch
Manual transmissions have a clutch that allows you to change gears when needed. There may come a time when your clutch fails while you're on the road.
Browse other content
Estimates
Cities