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1977

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Q: Brakes have gone out
Hi there. The first thing that needs to be determined is if there is a failure of a line or brake component, such as, a brake hose, caliper, or wheel cylinder. The brake fluid level needs to be checked to...
Question
Fuel line leaks at carburetor
A fuel leak can be a serious concern for your Corvette. One thing I can quickly recommend is to not use teflon tape. The fuel line fitting on your Corvette’s engine is designed to seal without it. Now there are...
Question
When it turns on it does not move forward, but does move in reverse easily.
The transmission in your GMC truck will need to be taken out and disassembled for inspection. It probably needs to be rebuilt or exchanged with a rebuilt or used transmission. I'd recommend getting some help from a qualified technician...
Question
Q: Gas leaking
Hi there. Considering the age of the vehicle, it may be equipped with a metal gas tank. Have an experienced technician inspect the vehicle for leaks and replace any components that show rust or corrosion.
Question
AC fuse keeps blowing
I would try and disconnect the A/C compressor to see if the fuse still blows. The compressor is the only thing that gets energized in all settings except economy. If this works and the fuse does not blow, then the...
Question
can i remove cylinder head without removing engine from the car
It is possible to remove the head while the engine is in the car, but it's going to be tight. This can be a difficult and even dangerous job. Unless you feel very comfortable with this type of work, you...
Question
Q: Car starts and shuts off
Hello. If the engine only runs for a second and then turns off then that usually means that the engine was not timed right. You will need to remove the distributor and retime it. It can also be a defective...
Question
1977 Mercedes-Benz 240D cranking, but not starting
Hi there. Either one or multiple glow plugs maybe malfunctioning. Also there maybe a fuel delivery probably as well. If there is not enough fuel ores in your system, then your vehicle will not start. This diagnoses needs to be...
Question
I put a new alternator in my car yesterday it started up fine about the third time starting the car to starter relay just clicks w
A starter like any other mechanical and electrical part is subject to failing sometimes for no apparent reason. However, sometimes this is misdiagnosed as well and often times mistaken for something much more simple like a fuse or starter relay....
Question
I have an engine with a two barrel carburetor. It appears to me the 2nd barrel isn't opening. When and what opens the second barrel?
Hi there. On two barrow carburetors, there are two ways that they open. The most common way is through engine vacuum. When the vacuum drops to near zero, the secondary throttle valve will open and operate the secondary jets. Other...
Question
Fuel pump 1977 Oldsmobile Cutlass
Hello - you are correct, there will not be an additional fuel pump in the gas tank, only the mechanical pump at the engine. Check first to see if the fuel pump is pulling fuel from the tank, and pushing...
Question
Brakes won't stay pumped and fluid overs the area where u fill it up at
If you are bleeding the brakes out and keep getting air in the system then you test system and it still feels like it has a low pedal again. The brakes are bled again and gets air in it again...
Question
Th350 transmission leaks out of thr vent. On 1977 chevy k10
It sounds like it may have originally been over filled. Fill 4-5 quarts, then start the truck and then slowly fill up the remaining fluid. This should keep it from leaking from the vent hole.
Question
I installed a new fuel pump, but the line from the pump to the carb is leaking at the flare fitting on the pump
Hello, thank you for writing in. The hardest part is done. Locating and noticing the leak is typically where people fail to follow through with their repairs. The flare on the line was likely bent or damaged. They are very...
Question
My 1977 chevy c10 is accelerating after i put it in park. And when i switch gear to drive it accelerates without me pushing on gas
The possible causes of this are a vacuum leak, a stuck throttle plate, or an improperly adjusted carburetor or throttle linkage (or binding linkage). If you desire a diagnostic, and the required repairs, please schedule service using YourMechanic's engine idle...

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