i took my car to have the heat fixed,and now the engine shakes the muffler is loud,he said he had to change manifold gasket
Feb 12, 2010 at 2:44 PM
JACOBANDNICKOLAS
✓Experienced Mechanic
110,246 POSTS
I would return to the shop that did the work. It sounds like they mixed up or forgot to replace some vacuum hoses. Also, have them recheck their work on the exhaust. They had to remove the exhaust manifold and it sounds like they messed up putting it back together.