Question about 1994 Dodge Stealth

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Replacing Hydraulic Lifters

Do i have to take the head off an engine to replace the hydraulic lifters? 1994 stealth rt 3.0L DOHC

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  • Dodge Master
  • 14,036 Answers

YOU HAVE TO REMOVE VALVE COVERS LOOSEN REMOVE ROCKER ARMS ASSEMBLY KEEP ROCKER ARM ASSEMBLY IN ORDER SO THEY GO BACK IN THE ORIGINAL POSITION.YOU HAVE TO REMOVE INTAKE MANIFOLD ALSO.YOU NEED A REPAIR MANUAL FOR TORQUE SEQUENCE ON THE INTAKE MANIFOLD AND ROCKER ARMS TORQUE.

Posted on May 27, 2010

  • Jonah Oneal May 27, 2010

    I MEANT TO TELL YOU DONT HAVE TO REMOVE HEADS JUST LOOSEN REMOVE THE ROCKER ARMS AND PUSH RODS.BUT THE INTAKE MANIFOLD HAS TO COME OFF TO GET TO LIFTERS.A LIFTER REMOVAL TOOL WILL HELP ALSO.

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Valve lash adjustment 1990 geo storm


it's an Isuzu engine, Manuel. so....
what makes you think there are solid lifters?
which engine option, that he first question, not stated.
1.6L or 1.8L
the 1.6L comes SOHC and DOHC version, so...?????
so many posts. on so many cars, why not log in to alldata.com
and use that for facts.
ill now quote stormowners.com

ISUZU changed with the wind.

The first generation of the 4XE1 DOHC engine was introduced in 1987 (1989 USDM), with hydraulic lifters, and rated at 135 PS JDM and 125 HP USDM. The second generation 4XE1 DOHC engine was introduced with the 1989 Geo Storm and 1990 Isuzu sister cars, with solid lifters, and rated at 140 PS JDM and 130 HP USDM.
The later 4XF1 engine went back to hydraulic lifters.


so again, what engine.
cant work on engines , not knowing what is there.
HERE IS THE rumor for 1.8L
http://www.fixya.com/cars/t12866696-lifter_gap

id not use rumors, on the internet, but fsm quotes work sometimes.
why not login to alldata.com and look.?

rumor 2
http://www.fixya.com/cars/t5549390-valve_clearance

all that , by using SEARCH.
id not use that, id read the book.

odd but good to know fact on Isuzu engines.
The fact is that the 4XE1 SOHC and 4XE1 DOHC are not sister engines,
so how many cams, , does your car have.?
vin 5 or vin 6?

Apr 12, 2014 | 1990 Geo Storm

2 Answers

No Start - Lanos 99 SOHC 1.395cc


Hi. I can give you a simple, but time consuming test to do to check your intermittent compression problem. New hydraulic lifters cause a lot of problems until its settled. Remove the camshafts and the hydraulic lifters. Take each hydraulic lifter and put it in a vice(becarefull not to damage them) and squeeze out all the oil in the lifters. Then put them back and replace camshaft and allign timing marks. Check compression ratio. What happens sometimes is that the oil pressure is too high(stuck oil pressure release valve or cold thick oil) and this causes the oil pressure to put so much pressure on the hydraulic lifters, that it slightly forces the valve open. That will cause your low compression as well as backfire through the intake.

Jan 14, 2014 | 1999 Daewoo Lanos

1 Answer

What can I do to eliminate lifter noise in my 1994 Nissan pathfinder? It just started making the noise about 2 weeks ago. Is it adjustable? Should I use synthetic oil, thicker oil?


The VG30E engine has hydraulic valve lifters so there is no adjustment possible. You can try replacing the oil and filter, substituting one quart of ATF for one quart of oil. Let it go for 3,000 miles and do it again if necessary. If after the third time the tapping is still there, you will need to replace the hydraulic lifters.

Jun 05, 2013 | Cars & Trucks

1 Answer

I have to adjust valve clearance on my ford 110 engine from 1994. year. Can you tell me right clearance of inlet valves and inlet valves


What engine do you have (size)? Valve adjustment is generally a thing of the past after the introduction of hydraulic lifters (no adjustment). In 1994 your engine should have hydraulic lifters and are not adjustable. Is this a high performance engine? New camshaft, lifter, and rocker set that are adjustable?

Aug 04, 2010 | Ford F-100 Cars & Trucks

1 Answer

Are the valves adjustable?


hi, on your vehicle the valves are not adjustable after about 1990 they started using hydraulic lifters, so if you have top end engine rattle then the chances are these lifters will need replacing or worse case the cam lobes could be worn if this is the case then your going to need to do a top end rebuild.

to replace the hydraulic lifters your going to need to remove the cams so as you can get to the lifters under neath the cup they sit under so its quite a big job.

the older type valves were a lot easier as you could adjust them with screwdriver and measuring guages but they started using the new ones as they made less noise and lasted longer, but the downside to this was that you need to do more work to replace the lifters.

let me know how you get on or if you need further assistance ok

Jun 13, 2010 | 1994 GMC Sonoma

1 Answer

98 TAHOE VORTEC 350 JUST REBUILT REPLACED EVERYTHING BUT CAM AND LIFTERS NOW IT HAS A LOUD LIFTER TAP AFTER IT WARMS UP.I WAS TOLD BY THE MACHINE SHOP THAT THESE ROLLER CAMS AND LIFTERS DONT WEAR OUT .I...


As far as I know all hydraulic lifters can go bad, collapes or stick. And yours are definately hydraulic lifters, rollered yes, which will make them more durable, but they can go bad. The machine shop should have down a leak-down test on the lifters. That is the only way to determine if the lifters are good. I would check that you have proper oil pressure, I'm sure you do. I bought a "rebuilt head" for a Saturn DOHC engine, and the machine shop never did a leak down test on the lifters, and I had the samething happening.

Mar 16, 2010 | 1998 Chevrolet Tahoe

1 Answer

My 1992 dodge stealth rt has a clacking noise from engine when running .we have determine the noise is comming from the lash adjusters.what should we do .


The lash adjusters are hydraulic and will have to be replaced. They can be replaced without removing the head, you just have to remove the necessry intake & parts that restrict your access to removing the valve covers, then remove the rockers (that's where the adjusters are of course), replace the adjusters and reassemble. Make sure you note the direction of everything, once reassembled it should fit exactly as it did before, with a little less slack.

All engine parts like this need oil. Soak the valve lash adjusters in oil overnight before installing, preferably in a warm location, or place a warm light next to the container you put them in, they work like valve lifters, just smaller.

Good luck

Feb 10, 2010 | 1992 Dodge Stealth

2 Answers

Need instructions on how to change the lifters in my 1998 Chevy S10 2.2L


Please don't forget to rate!!!!

2.2L Engine When installing new lifters, a pre-lube should always be applied to the lifter body. It is also a good idea to prime hydraulic lifters by submerging them in clean engine oil and depressing the plunger using an old pushrod. This allows the internal components of the hydraulic lifter to coat with oil before initial operation in the engine. All lifters should be replaced when a new camshaft is installed.
If any valve train components (lifters, pushrods, rocker arms) are to be reused, they must be tagged or arranged during removal to assure installation in their original locations.
  1. Remove the rocker arm cover.
  2. Remove the cylinder head assembly from the engine.
  3. Remove the bolts retaining the lifter anti-rotation brackets, then remove the brackets.
  4. Remove the hydraulic roller lifters from the bores.
  5. Inspect the lifter and lifter bore for wear and scuffing. Examine the roller for freedom of movement and/or flat spots on the roller surface.

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Remove the bolts retaining the lifter anti-rotation brackets ...


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... then remove the anti-rotation brackets


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The lifters are located in bores in the engine block


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Use a lifter removal tool to remove the lifters from the bore

To install:
If installing a new lifter, coat the lifter body with a suitable camshaft pre-lube
  1. Install each hydraulic lifter to its bore being careful to align the flat sides (top) of the lifters with the flat sides of the anti-rotation brackets. When properly installed the flat sides of each lifter are aligned parallel to the anti-rotation bracket. The roller at the bottom of the lifter is parallel to the camshaft lobe.
Make sure to properly align and install each lifter as improper installation of the lifters or brackets could result in engine damage.
  1. Install the anti-rotation bracket retaining bolts and tighten to 97 inch lbs. (11 Nm).
  2. Install the cylinder head.
  3. Install the rocker arm cover.

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Removing the hydraulic roller lifter from the 2.2L engine

Feb 06, 2010 | Chevrolet S 10 Cars & Trucks

2 Answers

I just replaced all of my hydraulic lifters and no compression!


Yes, you've overtightened the lifters causing the valves to not close completely. If you did not prime the new lifters before you installed them and tightened them with the engine off they are most likely collapsed. back off all of the rockers to just snug and make sure the engine is running when you readjust them. Usually you need to let new lifters sit in a can of oil for a while to fill up. I've used a syringe to fill lifters prior to installation. Did you replace the push-rods also? If so were they the same length as the originals?

Sep 20, 2009 | 1992 Chevrolet Sportvan

1 Answer

Tappet settings rangerover 2.5 dt


there is no tappet settings, they have hydraulic lifters.
if tapping its because of lack of oil changes.
the lifters are coked up and no oil fetting in.
try engine flush and new oil with hydraulic lifter additive.
if not a set of lifters.
i have got a complete head i can knick the lifters out of for £40 and the set is yours.

Apr 12, 2009 | 1995 Land Rover Range Rover

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