If you have an exhaust leak, it may not be the manifold. Follow…

If you have an exhaust leak, it may not be the manifold. Follow the hose from the smog pump to the back of the intake, it will go into a checkvalve on the crossover tube between the heads. The top of the checkvalve was rotted off inside the hose and created the leak there.

Owner caption July 2009 · Photo 14 of 23