I just purchased a 1989 jeep comanche, it has a 4.0l straight 6 with 145000 miles. I bought the truck to haul dirt bikes around but the noise is driving me crazy. I initially thought it just idled high and would go down once it warmed up. No luck. I think I have a leak in the exhaust system but cannot figure out where it is. How can I isolate and fix the noise if it really is the exhaust? What steps should I take first, change out the gasket in the manifold, JB weld the pipe leading into the muffler? I'm really lost at this point and do not want to drop a lot of $$ into it. Any advice on where to begin or try first would be appreciated. Thanks.
have the same problem?
Monday, October 29th, 2007 AT 11:43 PM