My 87' BJ70 sits a lot since I only use it in the fall months. Recently I noticed some diesel leakage underneath the truck. The top of the IP looks dry but from underneath the truck I can see that there is a plate on the side of the IP that is covered. From what I've read on previous threads this must be the IP timing cover plate and that there are a couple o-rings beneath it that require replacing. My question is how easy is the plate to remove and is there anything I need to be aware of while replacing the o-rings? I don't have too much experience working on the IP and don't want to misadjust anything. Thanks.