Exhaust Leak on a 400 Cummins
Can anyone tell me how to check for an exhaust leak on a diesel?? Have been hearing what sounds like an exhaust leak when driving with the window down on the highway. More noticeable when you have the...
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More than likely it's a cracked exhaust manifold on the larger of the two parts which is on the driver's side of the MH. You should be able to see black staining and on first firing the engine up you should be able to feel the heat from the leak if you cannot see it. Start soaking the bolts with PB Blaster now and you may be able to slow it down by putting a SS hose clamp over the crack until you can get it fixed.
Glad you found a better place to fix your alternator in two hours labor.
Glad you found a better place to fix your alternator in two hours labor.
