Question about 1991 Ford Probe

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Replaced head gasket how do you adjust valves rocker arms etc. 1991 3.0 ford probe

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The valves are set to zero lash cylinder at top dead center. and then 3/4 more turn tight

Posted on Oct 02, 2009

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Ok so ik I'm posting allot haha but does anyone know where or how to adjust lifters just found out mine r just now needed adjustment in near mount Vernon WA or a price at least haha


In engines with rocker arm valve systems, the procedure I'm familiar with is to remove a rocker arm cover, and (one at a time!) while the engine is running, slowly back off the rocker arm retainer nut or bolt just until you hear the lifter tapping, then tighten it a quarter turn. If you can identify a lifter that is already tapping, tighten its rocker arm slowly until it stops tapping, then adjust it. Do not over-tighten! This can damage the engine.

Listen carefully to how the engine sounds; if it starts to stumble when you tighten a loose rocker arm, you've gone too far. If you cannot get the engine to run well without tapping, you may have too much wear in the valve train and may be due for a head overhaul, or you don't have adequate oil pressure in the lifters in question.
Repeat until all rocker arms are done. Replace the rocker arm cover using a new gasket, then (in a V-engine), repeat the procedure on the other side of the engine.

Wearing safety goggles, or better yet, a transparent face shield, is strongly recommended. Sometimes oil will squirt out a considerable distance from the lifter side of the rocker arm during adjustment, and the direction is not readily predictable.

Apr 03, 2015 | Cars & Trucks

1 Answer

2004 Cavalier broken rocker arms after head gasket repair.


Rocker arm issues are common in that car. They can happen without any reason. This is not going to be cheap to look at. When the head was repaired it had to be removed. The timing chain might not have been properly tensioned. That would cause the timing chain to slip and then you have pistons slapping valves and spark plugs. This cause rocker arms and pushrods to bend or break and also can damage pistons.

May 03, 2017 | 2004 Chevrolet Cavalier

2 Answers

Valve lash procedure


i need to know how to adjust the valves on 02 pont sunfire

Nov 20, 2011 | 1991 Chevrolet K1500

1 Answer

I have a 1996 Buick lesabre with the 3.8 liter v6 motor. I just did a top end gasket set and need to know how to adjust the rocker arms. Can anyone help? I know I need to start on compression stroke to...


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Fig. 7: Rocker arms and related components - 1991-99 VIN L engine and 1998-99 VIN 1 engine (click image for zoom)

  1. Clean the rocker arms and pedestal bolts in a suitable solution and inspect for wear. Make sure to clean all of the thread adhesive from the rocker arm pedestal bolts.

To install:
  1. If removed, install the pushrods and make sure they seat in the lifter.
On 1998-99 vehicles, the bolts rocker arm bolts are designed to permanently stretch when tightened. The correct part number fastener must be used to replace this type of fastener. Do NOT use a bolt which is stronger in this application. If the proper bolt is not used, the parts will not be tightened correctly, and part or system damage may occur.
  1. Apply a threadlocking compound to the bolt threads before reassembly.
  2. Install the pedestal and rocker arm assemblies, then tighten the retaining bolts as follows:
    1. 1988-92 vehicles: 28 ft. lbs. (18 Nm).
    2. 1991-98 vehicles: 19 ft. lbs. (29 Nm), plus an additional 90° with a torque angle meter.
    3. 1999-99 vehicles: 11 ft. lbs. (19 Nm), plus an additional 90° with a torque angle meter.

  3. Install the valve cover(s), as outlined earlier, then connect the negative battery cable.
  4. Start engine and check for fluid leaks and listen for valve train noise.
I hope this helps, and just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment.

Have a nice day and thanks for using FixYa.

Jose.

Oct 17, 2011 | 1996 Buick LeSabre

1 Answer

1991 626dx when it starts I hear a noise like a chain rattling not a grinding noise but it has been doing it for a while hard to describe actually but it does it once you put it into gear it is a five...


thats your valve stems, need to take off your valve cover and remove the cam shafts and rocker arms, they are located in top of the intake/exhaust valves, relativly cheep to replace your self, and when you do so replace them all and carfully put everything back where it was before, mark all of your rocker arms and make sure your engine is in TDC (top dead center) when you do so, it makes everything easier putting things back together. also make sure to buy a new valve cover gasket and some ATV sealent for the corners of the camshaft hump on the head of the block.

Sep 26, 2010 | 1991 Mazda 626

1 Answer

Rocker arm failure


Did the timing belt break at one time? Aside from the obvious of it sounding like your son did what mine did and tried to race the vehicle beyond it's abilities if the timing belt broken at one time it may have damaged the valves. If the valve impacts the cyclinder it is possible that it can damage the rocker and cam. When you pull the head off this time have the head re-worked and valves replaced. This should solve the problem.

Sep 12, 2009 | 2007 Chevrolet Cobalt Coupe

2 Answers

Oil leak from rocker box on 1996jeep cherokee2.5td


Get you a new gasket for the rocker cover, make sure you clean the mating surface good,and all traces of old gasket, and silicon etc. make sure you dont overtighten the bolts to the rocker cover. the torque for the rocker cover is 35 in lbs (4nm). as far as vavle clearance it is none adjustable. A clicking valve can indicate worn lifters, sometimes an oil change will quiet down noisy lifters. If noisy lifters persist you would have to service the heads. If you decide to do that yourself you can ask for a procedure on that too later on. Removal of the head is very difficult, because you need to remove a lot of things, and require you to do a timing on the engine.

Jul 01, 2009 | 1996 Jeep Cherokee Country

1 Answer

Rocker arms


Hello antcarrol,
I'm, thinking you may mean cam rocker arms (lobe followers) and like the saying goes, "1 picture is worth a thousand words". These arms fit below cam shaft and sit over valve springs with a small round disc shaped spacer. These spacers are notched so the follower rest on valve. The other end of follower sits atop of the lash adjuster, The top of this adjuster is globed shaped to fit securely to the follower while allowing the correct lash adjustment by two hex nuts on the adjuster.
Confused yet? Well its not easier said than done. If you have access to a shop manual hopefully picture will help Good luck and I hope I have helped. Kam

Jun 04, 2008 | 1990 Acura Integra Hatchback

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