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1974

This is typically caused by a carburetor problem. Most of the time it is as simple as an adjustment of the mixture. This is something that must only be done by someone with carburetor experience. If you need to have...

Hi there. You will have to remove the timing belt (https://www.yourmechanic.com/services/timing-belt-replacement), exhaust manifold, intake manifold, all vacuum lines, the cylinder head, and the oil pan to gain access to the piston removal. Drain out all of the oil from the...

Hi there. There is a timing problem with your engine. Check the vacuum advance to see if its advancing when the engine is at a higher rpm. Also check the spark plugs (https://www.yourmechanic.com/services/spark-plugs-replacement) and wires (https://www.yourmechanic.com/services/ignition-cable-spark-plug-wires-replacement) for if they are...

Hey there. Since you only seem to have the problem on a hill, then you may be very low on transmission fluid (https://www.yourmechanic.com/services/transmission-fluid-service). When the car is put in reverse, it pumps fluid into a large servo to engage the...

Hello, thanks for writing in about your Ford F-100. Depending on the engine you have and if you have a manual transmission then you may have broken motor (https://www.yourmechanic.com/services/engine-mount-replacement) and transmission mounts that will cause the clutch linkage and shifter...

Hello. Thanks for writing in about your 1974 Chevrolet Chevelle. If you got a spark from the wire on the back of the alternator, then you shorted something out. You need to follow the wire from the alternator to where...

Your car does not have fuses for the main circuits. There are fusible links down by the starter motor. Two or three smaller wires bolt on to the staters positive bolt. The fusible links are within a few inches. You...

Hello. Depending on which wiring harness it is, the source of the power needs to be checked. A continuity check of the wires also needs to be done to make sure there is no break in the harness. Electrical problems...

The rack and pinion steering gear needs to be disconnected and moved forward and the transmission inspection flywheel inspection plate for access to remove the oil pan from the engine. You can then torque rod bearings as needed.

Hello - although vibration may come from the driveshaft or loose motion in the rear end, this problem starts with the clutch (https://www.yourmechanic.com/question/how-does-a-clutch-engage-and-disengage). This problem is called "clutch chatter", and it involves the clutch grabbing/releasing multiple times in a choppy...

This should be a double filament bulb, which has two filaments inside. One works for the main tail light and the other is activated when the brake light switch is activated. Many times, one or both of these filaments will...

This is a tough case. Even if the transmission does bolt up, the difference in electronics might it difficult to retrofit to the older vehicle. The electronics must be different and there were many vacuum assisted components in earlier years...

Hello, thank you for asking about your 1974 Pontiac Ventura. From what you describe it appears to me that you are attempting to convert a points ignition system to an electronic HEI ignition system. This is a very common conversion...

Adding additional vacuum to the car when it is already backfiring will usually compound the problem due to the lack of fuel supply. Backfiring is most often a result of a lean condition. Adding transmission fluid to the fuel mixture...

Sounds like your starter solenoid may be installed incorrectly. The solenoid has several wires going to it. One to the stater, some coming from the battery, and one form the ignition switch. If the wires are connected on the wrong...

An inspection should be carried out to see if any part of the the wiring loom was crushed, pinched, or cut during the installation of the motor. A starting/charging system test can be performed to ensure proper operation and cranking...