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Adjust valves - Corvette Chevrolet Cars & Trucks

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  • Anonymous Aug 10, 2008

    how do you adjust valves on a 1995 chevrolet lumina 3.1 motor

  • Anonymous May 11, 2010

    What kind of motor? What Year? what type of camshaft? If they are hydralic lifters they will set diff than solid or roller lifters.

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Ok I am sory to brake the news to you but there is no adjustment on a 3.1L the rocker arms are torqued to specification and the lifters are the Hydraulic adjustment.
I hope this helps.

Roy

Posted on Oct 31, 2009

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Posted on Jan 02, 2017

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What is the valve clearance for YAMAHA XTZ 125


this is your manual

Valve clearance adjustment
The correct valve clearance changes with use, resulting in
improper fuel/air supply or engine noise. To prevent this,
valve clearance must be adjusted regularly. This adjustment,
however, should be left to a professional Yamaha service
technician

XTZ 125K XTZ 125E - Yamaha Motor EU


https://cdn.yamaha-motor.eu/owner-manuals/Motorcycles/U5YME2.PDF Congratulations on your purchase of the YAMAHA XTZ 125K / XTZ 125E. This model is the result of Yamaha's ..... Valve clearance adjustment ...................... 6-12.

https://cdn.yamaha-motor.eu/owner-manuals/Motorcycles/U5YME2.PDF

there is a video

adjust valve clearance YAMAHA XTZ 125 Google Search

Oct 03, 2018 | Yamaha Cars & Trucks

1 Answer

Valve clearances for a 2.5 turbo diesel ford courier Pe 2000.


intake 0.20mm exaust 0.38mm adjusted with engine cold.

with 1 and 6 fully open - adjust valves 4 [inlet] and 7 [exhaust]

valves 2 and 3 fully open - adjust valves 5 ex and 8 in

valves 4 and 7 fully open - adjust valves 1 ex and 6 in

valves 5 and 8 fully open - adjust valves 2 in and 3 ex

Rotate the engine clockwise only between adjustments

Jul 17, 2018 | Ford Cars & Trucks

1 Answer

08 Civic EX, valves became noisy at60K, valves quiet after warmup. They will probably still be noisy after I adjust them. Would the cause be excessive wear on the valves stem ends and rockers?


If there were no wear, the valves wouldn't need adjusting. The reason for periodically adjusting the valves is to compensate for the wear that the valve train undergoes over the life of the engine. Be optimistic! Have confidence that adjusting the valves will reduce the noisy valves.

Apr 10, 2017 | Cars & Trucks

1 Answer

What is the clearance between the rocker arm and the valve spring in a GM 2.2L motor


there is no specification for what you want
the valve clearance is between the end of the rocker arm and the end if the valve stem
the stem end is proud of the spring retainer so if your rocker arm is touching the spring retainer , you have a big problem as for the procedure it is set out in the workshop manual but if you don't have a manual it can be done like this
you will need the firing order of the engine first
now adjust no 1 piston valves when the next piston to fire has the valves in the rock position
that is the exhaust valve just closing as the inlet is just opening a bit of movement of the crank makes either valve move up or down
adjust no 1 piston valves
now move on to the next piston to fire and adjust the valves that were rocking
follow that procedure until all the valves are adjusted
for example
on a 4 cylinder engine with a firing order of 1--3--4--2
bring up no 1 piston and adjust the valves when the valves on no 3 piston are rocking
next piston to fire is no 4 so adjust no 2 piston valves
next piston to fire is no 2 so adjust the valves when no 1 valves are rocking
the procedure is the same for engines with any number of cylinders

Oct 19, 2016 | Cars & Trucks

1 Answer

How to adjust valves on Toyota 1991 23re engine


Very carefully my friend. Kidding. Ok, remove the valve cover and anything in your way of removing it. By hand, with a socket and ratchet, on the crankshaft bolt head, turn the engine over to get #1 piston to top dead center on compression stroke. You'll need to find out what the valve lash should be in order to adjust properly, I run the 22R engines and only have specs for that, and have a feeler gage to place between the valve head and rocker arm. Check the gap on the intake valve for it is in position to adjust now because the cam lobe is at the farthest away from the valve. If it needs adjusted closer, turn the nut loose and screw the center in to tighten and out to give more gap, then tighten the jam nut after adjusted. Now turn the crank to bring #3 to top dead center and adjust that intake. Once done go back to #1 exhaust and adjust it. You'll know when the #3 is TDC when the rocker is loose on intake valve along with #1 exhaust. Now bring #4 piston up to TDC and adjust intake valve. Like I said, you'll know when it's @TDC when that rocker is loose, but with the spark plugs out you can stick a screwdriver in the plug hole to be sure it's up. Firing order on 4 cylinders is 1-3-4-2 so do your adjustment in that order for each intake valve and go back to the last one adjusted and do the exhaust valve.

Dec 01, 2014 | Toyota Cars & Trucks

1 Answer

When the valves are adjusted on the de-compression stroke can they be re-adjusted or is the head now faulty?


valves should always be adjusted with the cylinder being adjusted at top dead center(tdc). if you can rotate the motor by hand you can adjust the valves with no damage having being done.

Jul 29, 2014 | 1992 Toyota Pickup

1 Answer

I need the required valve & inyector clearance on a M11 engine


Cummins M11

Intake valve clearance 0.010 inch
Exhaust valve clearance 0.024 inch

The firing order is 1-5-3-6-2-4 and that is the order the valves should be adjusted started with first timing mark on main pulley adjust cylinder number 1 The valves and injector should be adjusted at the same time The crankshaft is then rotated 120 degrees to next timing mark and cylinder 5 is adjusted, the crank is rotated again 120 degrees to next timing mark and cylinder 3 is adjusted.then back to the first timing mark, cylinder 6 is adjusted, etc/

Adjusting nut on plunger should be adjusted to the point where you feel the plunger just reaches the bottom.of travel/bottoms out.

Feb 15, 2012 | Cars & Trucks

2 Answers

Valve lash procedure


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

Nov 20, 2011 | 1991 Chevrolet K1500

2 Answers

Overhead valves making noise like they need ajusting


Valve Lash ADJUSTMENT 1.6L Engines NOTE: Measure valve clearance with the engine cold.
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Remove the valve cover.
  3. Set the engine to Top Dead Center (TDC) of the compression stroke for the cylinder to be adjusted.
  4. Check the valve clearance. The valve clearance specifications are as follows:
    • Intake valves: 0.005-0.007 inches (0.13-0.17mm)
    • Exhaust valves: 0.005-0.007 inches (0.13-0.17mm)
  5. After adjustment, tighten the locknuts to 11-14 ft. lbs. (15-19 Nm).
  6. Repeat for each valve to be adjusted.
1.8L, 2.0L and 2.5L Engines The 1.8L, 2.0L and 2.5L engines utilize automatic hydraulic lash adjusters to maintain proper valve lash at all times. Periodic valve lash inspection and adjustment is not necessary or possible. prev.gif next.gif

Sep 14, 2010 | 2000 Chevrolet Tracker

2 Answers

New rebuild chatters


adjust your valves your oil pickup tube needs to be adjusted you need feeler guages to adjust the valves down properly
make sure lifters and oil pick up tubes are not clogged

feeler guage is---> thin pieces of metal cut to different sizes to hold under valve adjusters till the play and chatter gone
check by book what the feeler size needed for adjustment

Jun 07, 2008 | 1983 Chevrolet C3500

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