Apr 24, 2010 #1 D david Active member Joined May 11, 2008 Messages 2,148 Reaction score 0 Points 36 You engine must have a lot of miles on it (like 150k or more). Next time you change your oil try going with a thicker oil next time. From a 5w-30 to a 10w-30 or 10w-40. See if that helps with the knocking when it first starts up.
You engine must have a lot of miles on it (like 150k or more). Next time you change your oil try going with a thicker oil next time. From a 5w-30 to a 10w-30 or 10w-40. See if that helps with the knocking when it first starts up.
Apr 24, 2010 #2 J Johnny Member Joined May 16, 2008 Messages 626 Reaction score 0 Points 16 2001 cherokee 4.0, i have a hard knock when starting the engine....