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yank30265

Exhaust Gaskets

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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?

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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.

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