I have ran 10w30 Syn Valvoline ever since it was new (after factory/break in oil was drained. I have 187,000 miles on her and still going strong! Some argue that I have wasted my money buying synthetic oil but the jury is still out on how many miles she has left. I live in a colder climate and have not had any issues.
10w30 should do fine in most climates, but if you live in extreme cold climates, where it stay 5-10 degrees you may need 5w30.I run Castrol GTX.
SOURCE: 1995 Jeep Wrangler YJ
a right angle pipe coming out from the top of the valve cover with a rubber hose attached. if you it out, shank it! it should sound like a mabble inside of it.
SOURCE: 1998 Jeep Wrangler 2.5 liter motor timing specs?
you could have vacumm problems making it seem like the timing is off, but the other guys are right on the timing!!!! it could be throw-body problems, like crack manifold problems. This year has thhis type of problem sometime. Try spraying WD-40 around the vacuum hoses, & manifold to see if the motor changes rpm????
SOURCE: how do i change a oil pan geskrt in a 94 jeep wrangler/
On most, you need to remove all bolts around the perimeter of the pan, (You may want to remove starter to get to fasteners there) then slide a paint scraper between the pan and block to break the seal. Generally there is enough room to get the pan out. If you need a bit more room, support the transmission with a jack (use a piece of plywood on top to avoid bending anything) remove both engine mount through bolts and raise engine slightly (not too much or you will break something)
SOURCE: 95 jeep wrangler: gauge indicates 0 oil pressure
Wire on oil sending unit may have fallen off or sensor itself may have gone bad. Check both. If engine has no tapping noises, likely it's not a pressure problem.
SOURCE: 2004 Jeep Liberty 3.7 liter 4 cylinder.clicking,tapping,wont cran
Does sound like it has blown up
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