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What is the valve setting procedure for the isuzu g180 sohc engine

1980 chevy luv with g180 (1.8l isuzu ) engine . I need the proper valve setting sequence . When the engine cam/crankshaft is timed the @4 piston is on top dead center of compression stroke. This is the interference engine.

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Posted on Jan 02, 2017

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SOURCE: where is the rotory button

When #1 piston is up the rotor can be pointing to 2 different places. For every 1 turn on the crankshaft the camshaft turns 2 times. To be sure that the rotor is in the right position to fire #1 spark plug you need to remove the valve cover and watch the valves as you turn the engine. To be correctly positioned the intake valves have to be open and stasrting to close as you turn the crank to align the timing marks (TDC). As you pass TDC the intake valves are closed and the exhaust valves start to open. Back up so the timing marks line up and this is where the rotor is going to fire #1. If this is not what you are seeing, then simply rotate the engine 1 complete turn and you should see it happen then.

Unless you have changed the timing chain or removed the distributor this shouldn't be necessary.Perhaps if you suspect the truck has "jumped her time" then this could help to confirm. If you are doing routine maintenance, plugs, wires, cap and rotor then you don't need to be concerned that the timing marks line up but not the rotor button. Hope this helps.

Posted on Aug 14, 2011

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SOURCE: I have a 2001 Isuzu Vehicross 3.5 engine. Which piston do I set the timing on of which must be at TDC? Is it the number one piston or number two piston?

number 1 piston should be at top dead center. remove the number 1 plug and insert a straw, or a soft object in hole on top of piston. this way when it is all the way up and just before it starts to go down you will know. if it has a dist. make sure rotor button is facing number 1 plug wire. good-day !

Posted on Dec 08, 2011

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SOURCE: 1988 toyota camry 2.0 engine (timing)

Pull #1 spark plug and rotate the engine until you hear air rush out of the cylinder, (plug the hole with your finger if you can), then look at the timing mark, it will be close to TDC

Posted on Oct 04, 2008

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SOURCE: daihatsu hijet 4wd van 1985 model 3 cyl 4 stroke 993cc valv tmg

If the belt has slipped you might be in trouble, becuase it's an interference engine.


Posted on Feb 03, 2009

  • 691 Answers

SOURCE: daewoo leganza 2000 2.2 liter if all the timing

It should be top dead center on a compression stroke and all the valve are closed. Both cams have a line the lines up with marks on the valve cover. Basicly the marks on the cams both are set to point to twelve o'clock. The mark on the crank shaft pully points to 6 o'clock or strait down

Posted on Oct 10, 2009

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Good Day. How do I set the valves gap for a Isuzu 161Z motor, is it on rocking stage or completely loose??

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Firing order on a 97 Toyota Tacoma 2.7 liter 4 cylinder

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a horrid idea.
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