Recent content by rovergunn

Hi all i have a ***** with the KJ with the number 2 valve seat that drops out causing the rocker to drop. Then damage the head as it did to mine this is a major problem with the 3.7 and the V8 doing the same so far mine has cost over a $1000 and it still not fixed. Jeep should be paying for...

HI all from down under Tassie devil country. I have a quick question I had my 2004 KJ boil now it runs like a 4cyl the plugs go black as soon as i clean them i have taken off the intake as i could hear loud sucking around it. Is it possible for them to warp or split ?? it looks like it has fine...

I have solved the removal problem will have to check for cracks ect in the intake manifold /valley cover thats for tomorrow. I just hope this is the major vacuum leak.

Hi all i have a 2004 KJ 3.7ltr. Yesterday it boiled i think it has a warpped valley cover. Its sucking air, spark plugs keep going black and ruff idle plus the brake peddle is hard So it has a serious vacuum problem. Can any one tell me how to remove the valley cover or have any idea of what is...