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Valve lash adjustment - GSX 600 F (Katana Suzuki Motorcycles

Posted by Anonymous on

3 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

OneRide
  • 379 Answers

SOURCE: valve lash adjustment on a 2001 flht

They are hydraulic lifters and need no adjustment unless internal engine work was performed. They are set from the factory and rarely need service. If you have a loud "tick" and a pushrod is loose, a lifter roller probably self-destructed.

Posted on Jun 04, 2009

wd4ity
  • 4565 Answers

SOURCE: 11000 miles on bike. Spark knock on initial

On your Evolution Sportster engine there is no adjustment to the valves. Your engine is equipped with hydraulic tappets that self adjust to maintain a zero valve lash. If you're hearing a spark knock upon acceleration there could be a problem elsewhere. What octane fuel are you using? Try another brand or a higher quality fuel and see if that eliminates the problem. Another problem could be your VOES (vacuum operated electrical switch) could be bad. The purpose of this switch is to ****** the timing when the manifold pressure on your engine drops below a certain point. If this switch is not working, your timing may not be dropping bad under a heavy engine load. You can check the operation of the VOES switch by disconnecting and plugging the vacuum hose that runs to it while the engine is idling. The engine idle speed should slow down as the timing retards. If it doesn't slow down, Check the wires that come from the VOES. One wire plugs into a connector on a wire from the igniton unit and the other wire goes to ground.

Good Luck
Steve

Posted on Jun 22, 2011

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Need to know valve adjustment for 2012 ram 3500 turbo deisel and do you have to adjust the exaust valve n if so what is the spe. Tk. Joey


The 24-valve overhead system is a "low-maintenance"
design. Routine adjustments are no longer
necessary, however, measurement should still take
place when trouble-shooting performance problems,
or upon completion of a repair that includes removal
and installation of the valve train components or
injectors.
(1) Disconnect battery negative cables.
(2) Remove cylinder head cover (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - REMOVAL).
(3) Using the crankshaft barring tool #7471-B,
rotate crankshaft to align damper TDC mark to
12:00 o'clock position.
(a) If both number one cylinder rocker levers are
loose, continue to next step.
(b) If both number one clylinder rocker levers
are not loose, rotate crankshaft 360 degrees.
(4) With the engine in this position, valve lash can
be measured at the following rocker arms: INTAKE
1-2-4 / EXHAUST 1-3-5. Measure the valve lash by
inserting a feeler gauge between the rocker arm
socket and crosshead (Fig. 32). Refer to VALVE
LASH LIMIT CHART for the correct specifications. If
the measurement falls within the limits, adjustment/
resetting is not necessary. If measurement
finds the lash outside of the limits, adjustment/resetting
is required.
VALVE LASH LIMIT CHART
0.152 mm ( 0.006 in.)
MIN.
0.381 mm (0.015 in.)
MIN.
0.381 mm (0.015 in.)
MAX.
0.762 mm (0.030 in.)
MAX.
note:
If measured valve lash falls within these
specifications, no adjustment/reset is necessary.
Engine operation within these ranges has no adverse
affect on performance, emissions, fuel economy or
level of engine noise.
(5) If adjustment/resetting is required, loosen the
lock nut on rocker arms and turn the adjusting screw
until the desired lash is obtained:
² INTAKE 0.254 mm (0.010 in.)
² EXHAUST 0.508 mm (0.020 in.) Tighten the
lock nut to 24 Nm (18 ft. lbs.) and re-check the valve
lash.
(6) Using the crankshaft barring tool, rotate the
crankshaft one revolution (360°) to align the
damper TDC mark to the 12 o'clock position.
(7) With the engine in this position, valve lash can
be measured at the remaining rocker arms: INTAKE
3-5-6 / EXHAUST 2-4-6. Use the same method as
above for determining whether adjustment is necessary,
and adjust those that are found to be outside of
the limits.
(8) Install the cylinder head cover (Refer to 9 -
ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - INSTALLATION).
(9) Connect the battery negative cables.
need-know-valve-adjustment-2012-ram-3500-figxbmoxwg4zobk0gpscxd31-1-0.jpg

Jun 14, 2016 | Cars & Trucks

2 Answers

How I adjust valve on 96 Geo Metro 3 cylinders?


You need to replace the valve came bearing for that valve if it's a Suzuki 1.0 engine. Easy to do.

Feb 12, 2015 | 1996 Geo Metro

1 Answer

How do i adjust valve lash on tecumseh 18hp OV490EA OHV140-180 ? where can I find the correct gap setting


You will remove the valve cover and adjust the lash on the valves using the rocker arm set screws. The lash should be .004 inches on all valves.

May 25, 2014 | Briggs & Stratton Garden

1 Answer

How to adjust valve lash on a 1990 Geo Storm


its an Isuzu engine.
there are 3 engines.
4XE1, SOHC 1.6L (base)12valves
4XE1, DOHC , 1.6L same as above but now with 16valves.
4XE1, DOHC, 1.8L bends valves if belt snaps...
note the bad idea of ISUZU calling all 3 engine same name.
a horrid idea.
which one? the second was in USA and Canada only.
the second one was offered as the GSI. is yours that?

so I will attempt to guess for you, its the base engine.
(odds of coin toss)
toss #2, USA, SOHC
guess 3: did a new belt and want to do lash next. Cam belt>
No job stated so i guess 3 times.
Just lash.
SOHC 1.6L only (FSM book quote)
Check the valve lash between the rocker arm and valve stem on both the intake and exhaust valves on the number 1 cylinder, the intake valve(s) on the number 2 cylinder and the exhaust valve on the number 3 cylinder. If the valve lash on the intake valves is not 0.006 in. (0.15mm), adjust the valve lash. If the valve lash on the exhaust valve is not 0.010 in. (0.25mm), adjust the valve lash.

1.6L twin cam has shims.
1.8L has HLA , no lash to set.

HLA= Hydraulic Lash adjusters.

I posted this before, search for it. Im only doing 1 engine.

Apr 12, 2014 | 1990 Geo Storm

1 Answer

Easy way to adjust valve lash on ford 262?


Hot Intake Valve Lash: 0.019"
Hot Exhaust Valve Lash: 0.019"

Cold Intake Valve Lash: 0.019"
Cold Exhaust Valve Lash: 0.019"

Setting valve lash while HOT is the preferred method.
This was from a 1963 Ford manual,,

Sep 26, 2011 | Ford F-100 Cars & Trucks

1 Answer

Well we tried adjusting the valves and then it will start and make a werid noise and then will be about to shut off and it doesnt sound right plezz can you help me? its a 1997 gmc 5.7 1500


With the Engine in the number 1 firing position, adjust the exhaust valves for cylinders number 1, 3, 4, and 8 and the intake valves for cylinders number 1, 2, 5, and 7.
Turn the valve rocker arm nut counter clockwise until the valve lash is felt in the valve pushrod.
Turn the rocker arm nut clockwise until all of the valve lash is removed (zero valve lash).
Zero valve lash can be felt by moving the valve pushrod up and down between your thumb and forefinger until there is no more up and down movement of the valve pushrod.
When all the valve lash is removed, then turn the valve rocker arm nut clockwise 1 additional turn (360 degrees).


With the engine in the number 6 firing position, adjust the exhaust valves for cylinders number 2, 5, 6, and 7 and the intake valves for cylinders number 3, 4, 6, and 8.

Follow the same steps as above.

Apr 01, 2011 | GMC Suburban Cars & Trucks

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

1 Answer

Need to know how to adjust the valves


On Vehicle Inspection If a clanging noise due to the lash adjuster produced immediately after the engine has started or during operation persists, perform the following checks:
  1. Check the engine oil, and add or replace if necessary.
    1. If the engine oil is low, the air drawn in from the oil strainer will be trapped in the oil passage.
    2. If the engine oil level is higher than the specified level, agitation of oil by the crankshaft could cause a large amount of air to enter the oil.
    3. A deteriorated oil contains a large amount of air, because the air, once trapped, is not readily separated from the oil. If the air trapped due to these causes enters the high pressure chamber in the lash adjuster, the air in the high pressure chamber will be compressed while the valve is in the opened position. The lash adjuster will be drawn too far in, and will produce noise when the valve closes. This is the same phenomenon that occurs when the valve clearance is adjusted to an excessive dimension. Fig. 1: Check the valves with the white arrows, rotate the crankshaft 360°, then check the valves with the black arrows — 2.0L, 2.3L, 2.4L and 2.6L Engines 86663205.gif
      Fig. 2: Check the valves with the white arrows, rotate the crankshaft 360°, then check the valves with the black arrows — 3.0L (12 Valve) Engines 86663206.gif
      Fig. 3: Check the valves with the white arrows, rotate the crankshaft 360°, then check the valves with the black arrows — 3.0L (24 Valve) Engines 86663236.gif
      Fig. 4: Check the valves with the white arrows, rotate the crankshaft 360°, then check the valves with the black arrows — 3.5L Engines 86663207.gif
      Fig. 5: Push the rocker arm to check if the rocker moves down or not — all engines except for the 3.5L Engines. 86663208.gif
      Fig. 6: Push the rocker arm to check if the rocker moves down or not — 3.5L Engines. 86663210.gif
      In this case, the normal condition will be restored if the air escapes from the lash adjuster.
  2. Start the engine and slowly race (accelerate the engine from idling speed to 3,000 rpm in 30 seconds and then decelerate it to the idling speed in 30 seconds) it several times (less than 10 times). If racing the engine causes the noise to die away, it means that the air has escaped from the high pressure chamber of the lash adjuster and that the lash adjuster has regained its normal functions.
    1. When the vehicle is parked on a slope for a long period of time, the oil in the lash adjuster will decrease. When the engine is started, the air might enter the high pressure chamber.
    2. After a long period of parking during which the oil in the oil passage goes away, it will take some time before the oil is re-supplied to the lash adjuster. Therefore, the air could enter the high pressure chamber.
  3. If any abnormal noise is not eliminated by racing, check the lash adjuster.
    1. Stop the engine.
    2. Set the engine so that cylinder No. 1 is positioned at the top dead center of the compression stroke.
    3. Press the rocker arm at the area indicated by the white arrow mark to check whether the rocker arm is lowered or not.
    4. Slowly turn the crankshaft 360°clockwise.
    5. In the same procedure as step "c'', check the rocker arm at the area indicated by the black arrow mark.
    6. Push down the rocker arm at a portion located right above the lash adjuster. If the rocker arm goes down readily, the lash adjuster is defective. Replace it with a new one in accordance with Step 4. In addition, when replacing the lash adjuster, be sure to remove air positively from the lash adjuster before installation. Then perform inspection in accordance with steps "a'' through "e'' to make sure that there is no abnormality. In addition, if the rocker arm is felt to be very stiff or cannot be pushed down when it is pushed, the lash adjuster is in the normal condition. Therefore, check for other causes of noise.
Bleeding and Checking When cleaning or checking the lash adjusters, use only clean diesel fuel. To test the lash adjusters, follow this procedure.
  1. Immerse the lash adjuster in clean diesel fuel.
  2. While lightly pushing down the inner steel ball using a small wire, move the plunger up and down four or five times to bleed air. The use of the retainer facilitates the air bleeding of the rocker arm mounted type lash adjuster.
  3. Remove the small wire and press the plunger in. If the plunger is hard to be pushed in, the lash adjuster is normal. If the plunger can be pushed in all the way readily, bleed the lash adjuster again and test again. If the plunger is still loose, replace the lash adjuster. NOTE: Upon completion of bleeding the air out of the lash adjuster, hold the adjuster upright to avoid the diesel fuel from spilling.
  4. After air bleeding, set the lash adjuster on the special tool (leak down tester MD998440).
  5. After the plunger has gone down somewhat 0.008–0.020 in. (0.2–0.5mm), measure the time needed for it to go down an additional 0.04 in. (1mm). Replace if the measured time is not between 4–20 seconds.
prev.gif next.gif

Sep 06, 2010 | 1991 Mitsubishi Mighty Max

1 Answer

Valve adjustment


tiburon uses hydrolic lash adjusters there are no valve lash adjusting If you hearing a pecking sound on the top of the mtr try some oil additive or replace the hydrolic lash adjusters

Jun 15, 2009 | 2001 Mitsubishi Eclipse

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