My Jeep is ticking under the hood. We originally thought it was a lifter but after a mechanic replaced the lifters, the injector o-rings, the gaskets and the plugs....the tick is still there. It is a shallow tick that isn't there when idling but when the gas is pressed. It is quite loud when it does tick. The first time I went through this, the ticking was consistently occurring when I was accelerating then a second tick kicked in which was much louder and was ticking all of the time. Now, after replacing the parts noted above I am back to the original tick. Please help me. I waited 4 months to have enough money to pay a mechanic and now the problem is still there but I'm broke.
I had this with my old yj engine take the valve cover off and use a hammer or rod to press down on the rocker arm while running to find the noisy lifter. Also use the wire method as someone else rec. Check the rod bearings also. Mine ended up being the wrist pin in the number 6 cylinder after taking down the trans and removing the head 2 times hope this helps.
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When my engine had a LOUD, persistent tick, I made sure that the engine was warmed up, turned it off, drained the oil, chased it with Lucas engine oil treatment (so that I got more dirt out of it), changed the oil filter with a decent one (as I no longer use Fram Extra Guard filters--but have no problem with their Tough Guard filters), refill the crankcase with fresh oil that meets or exceeds the specification on the oil cap, on the oil dipstick, or in the manual to the quantity that's also specified in the manual. Be safe & have fun!
Ticking can come from so many places I could write all day... Use a screwdriver or a long extension as a stethoscope and try to isolate the source. Best guess I can make without seeing/hearing it is either you cracked an exhaust manifold or a valve lifter is sticking (only a guess) If it's a lifter, you can add a quart of marvel oil and usually it will quiet down.
I would not believe any thing some parts store loser told you. Theres not a V8 built that doesnt have hydraulic lifters, unless its some fancy racin engine. It has hydraulic lifters, but unless you dont change your oil every 5k miles and/or use some cheap oil, there should be no problems. You should have a real mechanic look at it, and verify that you have good oil pressure. If it does, I would change the oil and use some MOBIL 1 and drive it, the oil will clean the lifters somewhat. If the eng has low oil pressure, that will need to be addressed.
I had the same problem , Come to find out it was the crank barring's and not the lifter's. Take one of the crank barring's off and feel the crank where the barring goes and if it's rough it's more in likely the crank and not the lifter's but if it's smooth put the crank barring back pull the valve cover's and there's the lifter's , pull the nut off the lifter's and pull the lifter rod's out roll them on a flate surface to see if there bent. Then go to a auto part's store and get the haynes manual it will tell you everything you need to know.
It's called a lifter. It is not serious. Keeping your car under good maintenance should keep the noise down but you will always hear it until you get the lifters replaced. Or that is what i was told. I have had my 1988 Fox for ten years now and it has always made that noise. Don't worry. :)
yes it is a lifter or a rocker arm, add a can of a chemical called Berryman's chemtool, drive it for a day or so and drain the oil, if that doesn't cure the noise u are going to have to replace the lifter, rocker as nessararyt,