Question about 1997 Chevrolet C1500

Open Question

How do you adjust the rocker arms or the lifters on a 350 vortec.

Posted by on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

abauto
  • 353 Answers

SOURCE: roller lifter adjustment 5.7 chevy vortec 1999

Crank the engine until the mark on the damper aligns with the TDC mark on the timing tab and the engine is in #1 firing position.

To adjust a valve back off the adjusting nut until lash is felt at the pushrod. Tighten the nut until all lash is removed. This can be determined by rotating the pushrods with your fngers. When all lash is removed the pushrod will stop rotating. When all play is removed rotate the nut one full turn.

With the engine in #1 firing position the following valves can be adjusted:
Exhaust 1,3,4,8
Intake 1,2,5,7

Crank engine one full revolution - The following valves can now be adjusted:
Exhaust 2,5,6,7
Intake 3,4,6,8

Posted on Jul 25, 2009

  • 295 Answers

SOURCE: I have an 2002 Jeep Liberty that keeps throwing

yeah it needs a new cylinder I see this all the time. The valve stem guide in the head drops and sticks the valve open the rocker and cam lose tension and thats why the rocker keeps breaking. Take the valve cover off the head that your have problems with. remove the rocker put a socket over the valve spring. gently tap the spring down without loosening the keepers. You will notice that the valve will not return to the closed position. I garuntee this is the problem u r have I hate to give u the bad news.

Posted on Nov 05, 2009

vis_184
  • 27 Answers

SOURCE: How do you tell good lifter from bad lifters in 97

Most of the vortecs that i have worked on have hydraulic roller lifters, but i cant say for certain that your engine does, however i am sure that it has hydraulic lifters and they can be checked by trying to push them down in the center where the pushrods contact, if they compress easily the lifter is bad, If they are roller lifters, check for any wear on the roller and how well they turn, it is ok to have some side to side movement on the pin but any up/down movement on the roller is bad. If the are non-roller lifters check for wear, if the lifter looks "dished" or "concaved" rather than having flat surface replace the lifter.

Posted on Jan 23, 2010

  • 146 Answers

SOURCE: rocker arm adjustments 5.7 vortec

as long as the oil system was primed and the lifters are full tighten each rocker down until it is snug enough that you can't move it with your fingers.put the valve covers back on and run the motor for a couple minutes. then run the motor with one of the valve covers off at a time. it can be a little messy but this is the best way. as the motor is running loosen each rocker nut until you hear chatter then tighten it back down until it stops plus one quarter turn. this is the best way I know to make sure they are just right.

Posted on Feb 27, 2010

drsinister69
  • 2317 Answers

SOURCE: 98 TAHOE VORTEC 350 JUST REBUILT REPLACED

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.

Posted on Mar 17, 2010

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

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

2 Answers

If ticking sound don't go away after flushing oil change is there a need to repair engine


Ticking sound is typical of slack in the valve train. Try using a wood dowell "stethescope" and touch it to the rocker arm cover over each cylinder. If a rocker arm adjustment is too slack, you'll hear a clicking sound rather than a muted murmur. If you find the noisy lifter you will need to remove the rocker arm cover and adjust it. CAUTION NOTE - It is possible that a hydraulic lifter may have some grit in the internal valve. That would stop the lifter from functioning properly.

Mar 06, 2015 | Cars & Trucks

1 Answer

Motor knock sounds like rocker arms or lifters?


If your engine is knocking the sound with be at the bottom of your oil pan but if you have lifter or rocker arm problems the sound will be at the top of your engine. One other thing you said your car has 315k it might be time to change your oil pump.

Mar 25, 2013 | Chevrolet Silverado 2500HD Cars & Trucks

3 Answers

Lose vales on a98 votec 350 chev.


Determining what caused sudden slack in valves would be of concern to me, as in perhaps, changed oil brand, grade or filter incorrect?
Most small block chevy's have adjustable rocker arms. Is that not the case with yours?

Dec 05, 2012 | Cars & Trucks

1 Answer

Lifters sound loud on 2011 Ultra Classic


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.

Oct 05, 2012 | Cars & Trucks

1 Answer

What do i do for tapping lifter


If your rocker arms are adjustable you can adjust that rocker arm by tighten it up a little at a time until tapping stops but,if the rocker arms are not adjustable or have a net lash then you will need to replace the lifter.

Jul 20, 2012 | 1999 Buick Century

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

How do I adjust the valves on a 1998 old bravada 4.3 vortec


You don't. They are non-adjustable hydraulic lifters. GM's spec for torque on the rocker arm nuts: Tighten the valve rocker arm ball studs to 47 N·m (35 lb ft). Once the valve rocker arm nuts are installed and properly torqued, no additional valve lash adjustment is required.

Aug 05, 2011 | Oldsmobile Bravada Cars & Trucks

1 Answer

Engine knocking,also what is the torque specs for the rockerarms? How would I replace the lifters 1973 buick 350 V8


Remove rocker covers, intake , rocker shafts and pushrods to remove lifters. The rockers are non adjustable on a buick 350.

Jan 16, 2011 | Buick Skylark Cars & Trucks

2 Answers

How do i ajust my lifters on a chevy 350 tbi


they are hydralic and are not adjustable during normal maintenence
if you removed heads then you need to adjust them
if they are clicking then a lifter may be bad or the cam shaft is going flat

Mar 22, 2010 | 1992 Chevrolet K1500

Not finding what you are looking for?
1997 Chevrolet C1500 Logo

Related Topics:

138 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

75051 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22095 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

7726 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...