Question about 2003 Mercury Mountaineer

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Have a ticking and rattle noise coming from the valve think its a rocker arm

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Rocker arm bent or broken valve could be a loose seat also

Posted on Jan 10, 2013

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Ticking noise while in drive getting worse, been told that noise coming from bell housing?


Valve Adjustment

Print
The 4.2L and 5.3L engines do not require a periodic valve lash adjustment.
The 4.3L engines are equipped with screw-in rocker arm studs with positive stop shoulders. Because the shoulders that allow the rocker arms to be tightened into proper position, no adjustments are necessary or possible. If a valvetrain problem is suspected, check that the rocker arm nuts are tightened to 18 ft. lbs. (24 Nm). When valve lash falls out of specification (valve tap is heard), replace the rocker arm, pushrod and hydraulic lifter on the offending cylinder.

Oct 23, 2014 | 2003 Chevrolet TrailBlazer

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Rattling noise in engine


Pull the valve cover off to check for rocker arm. Could be exhaust leak if more of a popping sound than a rattle.

Sep 30, 2013 | Hyundai Sonata Cars & Trucks

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I notice my oil was low, cause it was running a little rough. So I put a quart in. Then it was running better. Then I drove it the next day and it started making a ticking noise and now it is getting...


the ticking , if you hear it on the top of the motor, will be a rocker arm,, it could be plugged and not getting oil, if its coming from lower down in the motor, it is possibly a stuck valve,, or a rod bearing , if its a ticking noise its more than likely the rocker assembly,, if its more of a knocking noise its lower in the motor

Sep 12, 2011 | 2005 Chevrolet Cavalier

1 Answer

What would cause a Ticking noise in a jeep grand cherokee


Most time a ticking noise is caused by a valve lifter malfunction or a worn pivot on a rocker arm. if the noise appears to be coming from the valve cover (inside) that's usually where the problem is. Depending upon which engine you have the repair procedure will vary. (consult a haynes or chilton manual)
Before taking anything apart though many times a lifter noise will respond to a good engine additive like marvel oil or lucas engine conditioner. Neither one will harm the engine and it may quiet it down for you!
If you think my answer helped, please rate it. If you have another question or did not understand the answer, just ask.

Jun 16, 2010 | 2001 Jeep Grand Cherokee

1 Answer

WHEN ENGINE IS RUNNING IT TICKS LOUDLY AND WHEN U ACCELERATE IT TICKS FASTER.


A worn valve lifter or a loose rocker arm is causing that noise.To find out which one it is, the valve covers have to come off and check each one. If the rocker arms are snug, then it's a lifter, in which case the whole top part of the engine has to come off to get at the lifters.

Mar 28, 2010 | 2006 Chrysler 300

1 Answer

98 dodge caravan 3 liter ticks on cold start,


SOUNDS LIKE YOU HAVE STICKY LASH ADJUSTER(LIFTER)..MANY MILES ON IT?HAVE YOU BEEN GOOD TO CHANGE OIL AND FILTER?TRY CHANGING THE OIL AND FILTER AND ADDING AN OIL SUPPLEMENT ..IF THIS DOESN'T WORK,YOU WILL HAVE TO ISOLATE WHICH BANK OF ENGINE NOISE IS COMING FROM,REMOVE VALVE COVER AND YOU CAN TO SEE WHICH ONE(S) ARE MAKING NOISE..PUSH DOWN ON EACH ROCKER ARM..A BAD ONE WILL BE SOFT..A GOOD ONE WILL BE HARD..NO LASH..TO REPLACE..YOU REMOVE ROCKER SHAFT BOLTS AND ROCKER SHAFTS..YOU CAN PURCHASE ONLY THE ONE(S) YOU NEED..BE CAREFUL WHEN YOU REMOVE ROCKER SHAFTS..THE LIFTERS CAN FALL OUT..GET A STICKY GREASE TO HOLD THEM IN ROCKER ARMS DURING REASSEMBLY..I HOPE THIS HELPS

Sep 19, 2009 | 1997 Dodge Caravan

1 Answer

Oil consumption, rattle, engine noise


Check under the hood and inspect the valve cover gasket. If it's bad it would explain why you don't see any leaks on the ground because it's probably burning off on the manifold. This ticking you're hearing is a lack of lubrication to the rocker arms. Apart from the valve cover gasket, you should get under the car and inspect the oil pan and oil filter for seepage. Best of luck on your problem.
Greg

Jun 10, 2009 | 2004 Nissan Sentra

1 Answer

Knocking or ticking in the engine, under the valve cover ticking under valve cover in 94 cavalier i think it is the rocker arms


you are right its either a rocker arm broken or loose or it also could be a broken valve spring so look for all three While you have the valve cover off to save you coming back and looking again ... thanks Jerry

Apr 22, 2009 | 1994 Chevrolet Cavalier

1 Answer

Rattling in engine


My car had been worked on by its previous owner and he replaced all the rocker arms,valves, and push rods, but didnt put the head on perfect and it caused one of the rods and the rocker arm to break to a exhaust valve and created a banging noise that made my car sound like a diesel. I hope I understood your question.

Jan 30, 2009 | 2001 Ford Explorer Sport

1 Answer

Datsun stanza 1980 tappets (lifters)


This car has hydraulic lifters( tappets} therefore should not adjustment, you probably have a bad or weak lifter. But, in any case you have to remove the valve covers to make the adjustment. You will see the adjustable bolt on the rocker arm. rotate the engine until the valve is all the way to the top, [no tension on the valve spring] then place a feeler Gage in between the rocker arm and the valve stem, adjust the rocker arm until the feeler Gage is snug but not tight. Do this with each valve. Check the book for the correct Gage to use but I think it is a .018.

May 15, 2008 | 2006 Datsun Stanza

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