Question about 2001 Oldsmobile Alero

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Replacing timing chain . I need firing order on a 2.4 twin cam engine please.

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  • dlmabrown May 16, 2009

    Timing marks

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Olds 2001 alero how to replace camshaft timing chain

Posted on Apr 18, 2009

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Here it is
replacing timing chain - 87badc4.gif

Posted on Mar 05, 2009

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1 Answer

How to install timing chain with timing marks both crankshaft and camshaft


Hellen, For the second time, Re POST year, make, model, engine size and complete question so we, here at fixya can answer your question effectively.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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Timing marks on cam for timing chain 2007 Hyundai accent


right it a twin cam engine
the cam chain between the two cams
depends what cams are there
do these help

c848a2c4-69e8-4591-aab0-82d2fe2017f6.jpg26198503-log1nphqw4nlzn44ynu5rx0s-1-2.jpg

May 18, 2016 | 2007 Hyundai Accent 1.6

2 Answers

Suzuki xl7 2004 firing order


h25 engine? h27, same. this engine, not the J20 right?
just a chain job, but not cams removed or head removed, be clear on JOB, what was removed, matters.

you only need TDC #1 firing and the marks,
firing order is the cams job, (and pcm) only marks matter....!! for a chain job.

here are fsm words (why not login to mitchell's and read)
WARNING(new head)
Wait1/2hour after installing the lash adjusters and camshafts before cranking or starting the engine to allow the lash adjusters to bleed down. Operating the engine before this time period may result in interference between the valves and pistons.
26173472-uctn3iqgxvmk1wb1bkpj0oav-2-0.gif

the real Fsm covers this in pages 345 to 368
need that?
here read the manual all steps, skip none and win.
23pages , my guess to late.


http://jeepdied.com/look/24hr/SQ416-h25-h27-chain%20steps.pdf

Apr 23, 2016 | Suzuki XL7 Cars & Trucks

1 Answer

How do i set timing chain on sprockets ,ie top dead centre.


I don't know what car you have, so here's what was needed on mine:
1. Bring engine to Top Dead Center, ready to fire #1. There should be a mark on the front pulley or on the flywheel. Move cams to the TDC mark, too. My car was twin cam, the front cams needed to face apart, and set the marks....

Yours may be different.

May 12, 2015 | Cars & Trucks

1 Answer

Firing order 1994 iszuzu trooper 3,2 sohc


its a V6
Order: 1-2-3-4-5-6 Distributorless Ignition System
outside usa , ive not a clue.
and i bet you are.

3,2, tells me (not USA) comma for decimals.was the clue.

EFI systems vary world wide)
the firing order on ours is per above, im not sure how many 3.2v6 are made world wide, with different crank /cams.
seems there are 3 if you read the wiki......

there is a gm v6 LG6 is 3.1L and isuzu v6 (x2) 3.2L
the real Isuzu is called 6VD1 engine
later years GM 4.3L
my guess is 6VD1 or W

and 6VD1W. twin cam. introduced in 1996 on troopers.

76 degree V 6's
per the wiki
The feature either a belt-driven SOHC or DOHC valvetrain. Later versions feature direct ignition as well as gasoline direct injection. These engines are notable for their early adoption of gasoline direct injection technology and also for their uncommon 75° cylinder head bank angle.


before i work on and engine i learn what is there first.
as you can see wide variances there are.
post country first. then if single or twin cams.

but the firing order is dictated by cam and crank geometries.

Mar 14, 2015 | 1994 Isuzu Trooper

1 Answer

I'VE SET TIMING CHAIN AND DISTRIBUTOR ON 1987 350 5.7L CHEVY AND ENGINE STILL BOGGING OUT AND BACK FIRING. COULD CAMSHAFT BE BROKE OR WHAT? PLEASE HELP.


I suspect that you have 2 plug leads crossed in the firing order. The cam shaft will not be broken or it would not run. You may need to check that the valve timing is correct if you have changed the chain as it is critical that it is right. 1 tooth out makes a big difference to running.

Sep 08, 2013 | Cars & Trucks

1 Answer

Timing Chain Marks Toyota V6 4 Liter


Before you remove any thing place the engine on no 1 firing on the timing mark on the bottom pulley. when removing any thing after that do not turn the engine or the cam shaft and every thing will stay in order.; You will probably see the position of the marks in this position.

Apr 02, 2013 | Toyota Cars & Trucks

3 Answers

I have 2003 chevy impala (V6 3.4 liter) i recently replaced both head gaskets. The car was running fine and now with engine back together engine want turn over sounds like its not firing but the plugs...


Did you get the timing set correctly when you reattached the cam to the timing chain? It sounds like you didn't have the #1 Top dead center or the cams were in the wrong position when you reset the timing chain. The cam shaft and Crank will actually look like they are set correctly two times. Once when it is in time and once when it is out of time 180 degrees. If you are more than 5 degree out of time or more than 5 degrees from the point where it is 180 degrees out of time the engine normally won't fire at all. The easiest way to check and verify this is to do compression checks on the cylinders, you will find you have little or no compression on several cylinders if this is the case. To correct it remove the timing chain and set the crank to #1 Top Dead center. Then go to the head that is on the #1 side, line the cam up so that both valves are closed for the number 1 and line that mark up. You have to find the firing order to make sure the intake is open getting ready to close for the next cylinder that going to fire and the exhaust valve is closed, then make teh final adjustment to line that cams timing mark up then replace the timing chain. This should get everything roughly within 5 degrees of zero and should get the motor so it will start.

Mar 02, 2011 | 2003 Chevrolet Impala

1 Answer

Got wires crossed while changing spark plug wires on 1996 saturn SC1. How do determine correct wire placement?


According to Saturn timing specifications, the internal firing order for the Saturn 1.9L motor, both Single overhead cam, or Twin cam is as follows:
Left to right 1-3-4-2

If you are routing spark plug wires, and need to know the order of wires from the coils to the engine, the order is as follows:
Left to right 4-1-2-3

Jul 10, 2010 | Saturn SC1 Cars & Trucks

1 Answer

I need the piston firing order for a VG30E or a VG30ode


My sincere apologies for the extremely delayed response.
I am personally going back to answer your unanswered questions.

I have only been a free contributor to this site for the past 4-months.

I do not know if you still need this information, but I am going ahead and answering it anyway.


1. Non Turbo =VG30E. Turbo = VG30ET. In any case the Engine Cylinder numbers, Firing Order, and Distributor Connections are the same.

For the 3.0L:
Firing Order:
1-2-3-4-5-6
Cylinders:
(back of engine)
5--------6
3--------4
1--------2
(front of engine)
Distributor:
....(back)
.6......5......4
.|.......|........|
V......V......V
|..................|
|..................|
^.......^.......^
.|........|........|
1.......2.......3
....(front)

2. I am not sure what what "cam adjustments" you were looking for. I am sure you probably have taken care of that or found what you were looking for. However, in most cases the person is really asking about the Timing issue.

Click on the following Link for the Timing Belt/Chain Diagrams.

Again, my sincerest apologies:
http://www.2carpros.com/car_repair_information/year/1988/make/nissan/model/300zx/1988_nissan_300zx_timing_belt_diagram_marks.htm

Nov 15, 2008 | 1988 Nissan 300ZX

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