Auto >> AutoSPT >  >> Auto Repair

How do you repair a vacuum leak in 1968 firebird 400?

To repair a vacuum leak in a 1968 Firebird 400, you will need the following tools and materials:

* A vacuum gauge

* A length of vacuum hose

* A screwdriver

* A pair of pliers

* A can of carburetor cleaner

* A shop rag

1. Start by identifying the source of the vacuum leak. You can do this by using a vacuum gauge to measure the vacuum at various points in the engine compartment. If the vacuum is low at one point and high at another, there is likely a leak between those two points.

2. Once you have identified the source of the leak, you will need to repair it. If the leak is in a vacuum hose, you can simply replace the hose. If the leak is in a gasket, you will need to replace the gasket.

3. To replace a vacuum hose, simply remove the old hose from the fitting and install the new hose. Make sure that the new hose is the same size and shape as the old hose.

4. To replace a gasket, you will need to remove the part that is leaking. Once the part is removed, you can remove the old gasket and install the new gasket. Make sure that the new gasket is the same size and shape as the old gasket.

5. After you have repaired the vacuum leak, you will need to test the engine to make sure that the leak is repaired. You can do this by using a vacuum gauge to measure the vacuum at various points in the engine compartment. The vacuum should be consistent at all points.