Hate to be the one to tell you, But you'll probably end up having to pull the head off. Drop the sump and back out the studs that go up into the head and down from the head into the timing chain cover. You CAN pull the timing chain cover with the head on. It's the bolts hold the timing setup to the head that are going to be nasty to get to. Check your tensioner, maybe it just crappby Jason A - Jaguar E-Type Forum