yank30265 Posted January 13, 2010 Share Posted January 13, 2010 90 ls400; im pretty sure my exhaust gaskets are leaking at the exhaust manifold; You can here it and smell exhaust fumes when ideling and driving at slow speeds. Is this an easy thing to change? And are there any other gaskets down there that I should change while im under the car anyway? Quote Link to comment Share on other sites More sharing options...
curiousB Posted January 13, 2010 Share Posted January 13, 2010 90 ls400; im pretty sure my exhaust gaskets are leaking at the exhaust manifold; You can here it and smell exhaust fumes when ideling and driving at slow speeds. Is this an easy thing to change? And are there any other gaskets down there that I should change while im under the car anyway? I'd also check to see your CAT isn't plugged. The leaks could be a sign there is too high backpressure in the exhaust system. Quote Link to comment Share on other sites More sharing options...
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