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Smitty77's avatar
Smitty77
Explorer
Jul 23, 2015

ISL Exhaust Manifold Leak - How far can I drive it?

Have a 2003 ISL370 CAPS engine. Found a 'fresh' small exhausts leak from the manifold gasket of #3. Believe it blew about 700 miles ago, when I heard a new noise climbing a grade on 395. I inspect...
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wolfe10's avatar
wolfe10
Explorer
Jul 24, 2015
Actually, I am partial to resurfacing the existing one if it is not cracked.

It has already been heat cycled and will be more stable than a new one.

Most cities have machine shops that can surface one that is warped-- had it done on our 1993 Caterpillar 3116 with a very LONG one piece exhaust manifold. Cost $35. No problem -- still good when we sold it 100,000 miles later.

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