Question about 1995 Jeep Cherokee

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Need advice on how to set rocker clearance for 2.5 turbo deisel

How do you set clearance for rockers and what are the torque settings for rocker train?

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You have hydraulic lifters which are not adjustable. Torque setting for rocker bridges is 19 foot lbs. If valvetrain is noisy, lifters or cam need replacement, unless rocker pivots are visibly worn.

Posted on Apr 24, 2009

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Posted on Jan 02, 2017

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I mixed up my spark plug wires in my Farmall H Tractor. I need a diagram to tell me how to properly connect them to the distributor


didn't say how many cylinders but here is one way
remove the rocker cover and plugs
turn the engine over untill no 1 cylinder valves have clearance under the rockers
put the ht lead in the cap that faces the rotor button turn engine over until you see the next set of rockers with clearance that will be the next ht lead to go in n the next spot facing the rotor button it may be no 5 if 6 cylinder or 3 if 4 cylinder keep turning for each next set of free rockers and you will come back to no 1
if 4 cyl may be 1342 or 1243
for a 6 cylinder it is most likely 153642

May 05, 2017 | Cars & Trucks

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Need torque on 1997 chevy tahoe 5.7 rocker arm torque


The rocker arms need to be adjusted, they are not set to a specific torque, they use self locking "crimp" nuts to hold the adjustment, these nuts should not be used over to hold the adjustment replace them.. With the lifters fully "pumped" up tighten the rocker arms to "zero" lash, the turn them in an additional 3/4 turn, you are done.

Feb 21, 2017 | Cars & Trucks

1 Answer

Torque setting for 1972 Cororna


My manual shows an 8RC for 70 and 71 and an 18RC for the 72-74

18RC valve clearance HOT IN .008 EX .014 cold spec. .007 .013
Cyl head 72-82 Ft Lbs
Rocker caps 12-17 ft lbs
cam bearing clearance .001-.002
cam endplay .0017-.0066
oil tube 11-16 Ft Lbs

Jun 15, 2013 | Cars & Trucks

1 Answer

Torque settingsfor head on lister petter mini6 engine


I have just rebuilt one for our Westerly 21. This is from my Petter 'A' range workshop manual:-
The water cooled engines (AC1W etc.) are:cylinder head nuts: 30NM (22 lbft) except 32.5NM (24 lbft) for the one that also holds the rocker.
Valve clearances are 0.1mm (0.004") COLDReset valve clearance after one hours running since torquing the head.
Retorque head and set valve clearance after initial 20 hours running
I believe Mini-6 refers to the water cooled engines but just in case, the air cooled engines are 27N (20 lbft)

Mar 27, 2012 | Cars & Trucks

1 Answer

Do i torque my rocker arms down on '88 caprice w/307 ? if so what is the torque specs on them


The nut is a self locking nut. so there is no torque spec for them. What you do is set a preliminary clearance with the tappets pumped up, then set final clearance/lash when engine is fired up initially.

The engine is started and allowed to come up to operating temperature- put foil over the hole in the pushrod end of the rocker arm to reduce oil spray, nut is backed out slowly until clatter is heard, and the nut slowly tightened until noise just disappears, then the nut is tightened in 1/4 turn steps until 1 full turn in has been reached. At each 1/4 turn pause, allow engine idle to smooth out before proceeding.

Once all valves are adjusted, you are ready to put the covers back on and finish the rest of the assembly.

For initial set point, when building the engine up, make sure the cam lobe is on the heal (no lift) portion of the cam, and pump up the lifter until significant resistance is felt, and tighten the rocker adjusting nut until you you feel actual resistance to turning the pushrod. move to the next valve.

Jan 09, 2012 | Cars & Trucks

2 Answers

What is the recomended torque setting for rocker arm nuts on a 289 ford mustang 1966


If all parts on this motor are stock and it is not a high performance engine but a stock windsor unit, there is no actual torque standard for the rocker arm nuts since the lifters are hydraulic. The manual procedure recommends the following:
with the motor off, tighten all rocker nuts until there is no slack between the rocker arm and the tip of the valve stem. Make sure each rocker is on the heel of the cam, this proceedure can be done one cylinder at a time or you can follow the ford V-8 cylinder identification for valve clearence sequence. I like the one cylinder at a time, it's a little slower but I think it's more accurate. after all rockers are set to the above mentioned clearance, start the motor and let the oil pressure build up in the lifters. At this point you should have installed the oil deflector clips on the rockers, just above the oil squirt holes, otherwise, things get a little messy. when the oil pressure is up, tighten down on each rocker until the engine starts to miss. At this point back off enough to clear the engine idle up and move on to the next rocker. Hope this helps.

Feb 10, 2011 | Ford Mustang Cars & Trucks

1 Answer

I have oil leakin on top of my spark plug wires in the tube ive changed the valve cover gasket 3 times i even put high heat cilcone over around the spark plug tubes but all it does is slow it down im not...


Two things:

1. Make sure you torque the bolts down to the right specification, which is 83 inch pounds (or about 7 ft lbs). Work opposite end of the cover and start with a lower torque first (like 50 in lbs), then go up to 83. It's just a good practice.

2. If that does not work, get a Fel Pro gasket set VS50365R (pic below). What is special about this set is the really thin o-rings there in the middle. Those are the rocker arm tube seals. You need to take the rocker arms off in order to replace them, but this way you're doing a complete job and you probably won't have that issue again. If you don't want to get the whole set again (since you already replaced most of it 3x over), you can probably just go to a honda dealership and pick up the 4 you need.


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Here are the seals under the rocker arms:

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If you decide to do this yourself, it's a good idea to get a set of feeler gauges so you can properly gap the clearance from the rocker arms to the valves. Intake valves should be gaped to .010 in, and exhaust valves to .012 inches. Also, yes, you can take the rocker arm assembly off without removing the distributor...just take off that one bolt that is in the way. The torque for the bolts holding in the rocker assembly is 9 ft-lbs for the smaller 6x1mm bolts and 16 ft-lbs for the larger 8x1.25mm bolts. Here is the torque sequence...

94f3f23.jpg

Oct 06, 2010 | 1992 Honda Accord

1 Answer

I need to know what the cyl head torque and rocker arm torque is for a 1998 6.5 L GM turbo diesel.


Cylinder head bolts are done in 3 steps. Step 1 - 20 ft.-lbs
Step 2 - 50 ft.-lbs
Step 3: Tighten an additional
90 degrees.
Lifter guide plate bolts 18 ft-lbs
Rocker arm shaft bolts 40 ft-lbs
Hope this helps.

Aug 06, 2010 | 1999 GMC Sierra 3500

1 Answer

Settings and the valve clearances


Valve Setting is usually done only by authorised service center of Hundai, because if you do the setting wrongly it may hurt the car performance. Kindly go to the car service center or you can get the data only by visiting any Hundai service center directly.

May 08, 2010 | Hyundai Motor 1994 Elantra

1 Answer

How to measure tappet clearance with dial gauge


When setting tappets, it has to be born inind that the valve stem wears an indentation into the face of the rocker. This prevents a really accurate tappet adjustment, so the customer is right again. If you do not posess a tappet setting dial gauge, a normal engineers dial gauge will do just as well. The procedure is the same as using your feeler gauge except that you set the dial gauge up on the cylinder head with the pointer resting on the head of the rocker. Press down fairly firmly on the rocker valve end and zero the gauge. Next lift up on the rocker and read off the clearance, from the gauge, Use a magnetic base to support your gauge and repeat the pocedure for each valve pair.

Mar 25, 2010 | 1988 Mitsubishi Cargo

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