I think I may have a small leak coming from the intake manifold near the spark plug tube. I am getting water in there causing a missfire but the hose for the heater doesn’t seem to be leaking and coolant level is not droping much. Has anyone seen a bad gasket on their .L Intake manifold? I have a F .L. Thanks ..Rotor wrote Are you doing just the upper intake plenum, or both the upper and lower manifold?On a ., the upper intake plenum seal is about $ $ and the bolts do not need to be replaced. The plenum is a relatively simple job..Ford F Intake Manifold Gaskets Replacement at your home or office. If the leak at the manifold is a leak of engine coolant, it can lead to engine overheating. However, there are other causes of engine overheating, so a mechanic would have to determine the actual cause. FORD F INTAKE MANIFOLD GASKETS CEDAR PARK, TEXAS .I failed to mention another reason this was being done was the massive coolant leak the truck had while running, leaking from the front of the intake manifold, along with the missfire and no power..
Buy Dorman Upper Intake Manifold for Select Ford Trucks Intake Manifolds Amazon.com FREE DELIVERY possible on eligible purchases. .L Power Strokesel CLEANING INTAKE MANIFOLD long story short, i am in the process of doing an oil cooler and a egr delete. fun job on its own I have the intake manifold off and it is filled with black junky tar. Just a complete mess. I am waiting for the new parts to get here and am wondering what the best .