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Spark plugs in car incorrectly
Have a trained mechanic verify the work done to the spark plugs, and make sure they are in tightly. It is common to get the wires crossed, which could lead to the wrong cylinder being fired at the wrong time....
Car not idling correctly.
This sounds like something in the valve train may have been damaged. I would recommend having a professional from YourMechanic come for an inspection on your vehicle to find the noise. The technician should remove the valve cover and examine...
Vehicle refuses to start.
Fuel supply to the carburetor needs to be checked. The fuel system including the fuel pump and filter will need to inspected is there is no supply at the carburetor. The carburetor may need to be checked for filling as...
Car will not idle.
When dealing with an older vehicle such as this, the most common cause of a poor idle is a carburetor problem. Before condemning the carburetor, the engine should be inspected for any loose or leaking vacuum hoses. The ignition timing...
Brakes no longer working.
If you step on the brake pedal and it feels soft or drops to the vehicle floor, air has entered the system. However, if the brake pedal is hard and difficult to depress, the power brake booster may be at...
Generator light on when engine is off
I had a difficult time finding information on this vehicle because my repair database does not go back to 1972. I found a generator wiring schematic on a website. Hopefully it's correct. The light should come on when the key...
Turns over won't start. 1972 Chevrolet Chevelle
Hello. It is possible that there is a wiring issue, or that the carburetor is actually leaking fuel into the engine which flooded it. I usually pull the spark plugs first to see if they are covered in fuel. If...
Carburetor problem
The carburetor needs a good supply of fuel to keep the engine running; if the fuel pump is not suppling the fuel, or the filter is clogged solid, then fuel cannot get to the carburetor. If fuel is getting to...
Starting, only clicks
The first to do is to make sure the engine turns by putting a socket and breaker bar on the crankshaft pulley bolt and turning the motor. If the motor turns, then you know it is in the wiring. Follow...
Difficulty shifting to higher gears
Hello there. Thanks for writing in about your 1972 Chevrolet El Camino. A few different faults could cause the vehicle to have shifting and acceleration problems. The most common would be the transmission linkage, low fluid level, torque converter, or...
Grating noise and curved tire - 1972 Volkswagen Super Beetle
The problem sounds like there's an issue with the suspension system. A worn or even broken suspension part can cause a misalignment of the wheel and tire assembly and cause the noise. Have the area inspected by a qualified professional....
Brake pedal stuck to floor - 1972 Volkswagen Super Beetle
Hello. There is a return spring on the assembly that must be dislodged or broken somehow, and when this happens there will be issues with the pedal returning. Have the pedal assembly and the hydraulic portion of the system inspected...
Where is the fuse for the water temperature gauge?
There isn't one per se. There will be a fused wire with voltage to the instrument cluster (your owners manual should indicate which fuse), but the temperature sensor is providing a variable "resistance to ground," which the temperature gauge in...
Dashboard gauges don't work
There is still a ground path problem from the engine to the instrument cluster, whether through the chassis or not. Might be worth running a new ground wire directly from the engine block to the ground connector on the instrument...
My blower switch only works on #2 speed & high speed could this be the blower resistor?
Hello there, a few common faults can cause your 1972 Oldsmobile Cutlass to only work on the #2 speed air flow. You are correct, the blower motor resistor could cause this fault. Other likely causes would be the fan control...
Starts runs for 30 sec. Shuts down.
Hello. This behavior suggests that the carburetor needle & seat are sticking, and the carb requires some adjustment and/or a rebuild. These fuel valve components allow fuel pressurized by the fuel pump into the carburetor float bowl (and from there...

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