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1970

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Question
Car turns off on hard left
Your vehicle has multiple concerns that may have little to do with one another. A loose electrical connection at the battery can cause the vehicle to lose power, or short wires that move when the vehicle turns. Some electrical...
Question
Engine suddenly shut off, did not start right up - 1970 Jeep CJ5
The basics need to be checked. Both the fuel delivery to the carburetor and the ignition system should be looked at. Fuel supply to the carburetor including a volume measurement needs to be checked. In the ignition system, spark at...
Question
Brake lights and blinkers don't function
Hello. Cool and rare car you have. I would suggest having a technician check the electrical components in your vehicle. Also, I recommend checking the fuses, brake pedal switch, and electrical wiring to the tail lights. I would suspect that...
Question
Dash lights not working
Hi, have you checked the fuse for the instrument cluster? This is a quick and easy check, however, if the fuse is blown, it blew for a reason, so replacing it is only a temporary solution. As the circuit will...
Question
Lights going on and off in truck
This problem arises with older trucks. The harness, unless it is damaged, is not usually the problem. The problem usually is in the pins coming loose or making bad contact in the fuse box. When this happens, you start loosing...
Question
Engine turns over, doesn't start
Since this is a 1970 model, then you may have a problem with the ignition system or the carburetor not getting or giving fuel. The points in the distributor or the carburetor may be plugged. I recommend having a mechanic,...
Question
Clutch not disengaging
You likely need to bleed the pressure out of the hydraulic system. Improper installation could also have caused the problems. I would have a certified mechanic, such as one from YourMechanic, inspect your clutch issue and make the needed repairs...
Question
back right wheel blocked
Hello. If the wheel will not move, then the brake shoes are stuck to the drum. If the vehicle has not moved in some time and if the parking brake was not being used, then the shoes typically corrode to...
Question
1970 Ford Ranch Wagon 351c starting and running problem.
The first thing to do is to look at and check the points and then check the fuel pressure to the carburetor. If all is okay, then check the carburetor for flow of fuel into it by using small spray...
Question
Car starts, but then stalls
Low fuel pressure caused by a dirty filter may offer enough fuel for a start but not enough volume to support idle. Have an experienced automotive technician, such as one from YourMechanic, diagnose why your car is starting and stalling...
Question
Installing the back window hardware.
Hi there, This is a very difficult question to answer without being able to actually look at everything in person. There are a lot of variables here, especially since somebody else took this all apart over the course of two...
Question
It runs good for a while and then all of a,sudden it won't start,have not used lights or radio,just replaced starter
Hello. If the engine will crank over and it will not start after it has run for a while then most of the time this is caused by a failing carburetor. Most of the time it will flood out and...
Question
1970 Ford Custom pickup with automatic transmission won't shift out of first gear after pulling someone out of the mud.
Hi there. Check the transmission fluid and make sure that it's full. If the fluid is good, then either the shifter cable could be stretched or the main valve on the transmission may have came off the shifter inside the...
Question
plymouth duster 70' engine swap
While we at Your Mechanic do not perform engine replacement or swaps, I can tell you some basics. Considering you are looking to install a 2004 Ford engine in a 1970 Chrysler product, there will be an extensive amount of...
Question
car wont start, acts like its not getting gas.
Hi there. Check to see if the fuel that was in the system was old and sitting for a while. If so, I recommend putting in a fuel water evaporator chemical that can be purchased at a local parts store....
Question
Starting issues in a 1970 Chevy C10
Hello - this sluggish starting behavior sounds like inadequate current reaching the starter motor (or a worn out starter motor). Start by checking starter circuit electrical connections - make sure they are clean, with no corrosion, and there are proper...
Question
Engine bogs down
Hello there. Many common faults will cause your 1970 Chevrolet 350 engine to bog down. The most common faults are engine running to rich, improperly adjusted throttle linkage, fuel pressure to high, or a vacuum leak. A qualified technician, such...
Question
Engine
Hello. Thank you for writing in. Do not assume right away that you have blown a head gasket. When the cooling system overheats and throws coolant all over the engine bay, every hot part of that engine will create steam....
Question
Will not start 1970 Buick
Hi there - the good news with classic cars like yours, is that the electrical systems are pretty simple for diagnostic purposes. I note that you didn't list a new ignition switch as one of the replaced components. A failing...
Question
How do you avoid the upper and lower A arm bushings from melting on a 1970 GS 455?
Hi there - yes, this is a very large engine, in a moderately-sized place, with lots of heat transfer issues! As you suggest, heat shields, or wrapping the exhaust manifold (headers?) with "heat wrap" to keep the heat inside the...

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