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Re: Timing belt problem


beaner
Blew1 Guy Today


Galant VR-4 org Post #: 1036621 posted 11/28/11 05:46 PM     Remind Me!  Send Private Message   Edit Post      
Why are you guys rotating it 5 times? I always did 6. I remember if the b.shafts are deleted less rotations are needed (4?), but I always did 6 to verify it's all lined up.

But yeah, like said above. Get the belt on there, PROPERLY do the tensioner. Meaning slowly let it out, wait 15 min, check the gap. If it's wrong, redo it. It always takes me a few times. Don't rotate shit until the tensioner is correct AND the gears are lined properly. Turn the engine the opposite way 1/4 turn, put it back. Verify the gears are still lined up and the tensioner is within spec. Then turn it over 6x. Everything should line up again and the tensioner should still be within spec.

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turbowop
Hard Snarker
1051/2000



Galant VR-4 org Post #: 1036666 posted 11/28/11 08:56 PM     Remind Me!  Send Private Message   Edit Post      
If the marks are already lined up, it will take exactly six rotations for them to line back up again. I think he's just saying that if the marks aren't lined up yet, they should be within five rotations.



-Mark

A face only a grocery shopper could love.
1051


Edited by turbowop (11/28/11 08:57 PM)

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pauleyman
Junior Member


Galant VR-4 org Post #: 1036690 posted 11/28/11 10:40 PM     Remind Me!  Send Private Message   Edit Post      
You guys are going to make me look it up. Is it six?



Paul Lyons
24 years of mitsu
I must be nuts.

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pauleyman
Junior Member


Galant VR-4 org Post #: 1036693 posted 11/28/11 10:46 PM     Remind Me!  Send Private Message   Edit Post      
I'll leave it to somebody else to look up. All I can find is my 97 book which says 2 revolutions. I actually haven't done it by the book in so long I don't remember. Point is you rotate the motor around until they all line up again then check protrusion. Manual also says wait 15 min before you check it. I can tell you this whatever I measured immediately after setting it was the same 15 min later. So....if it's not right immediately, it's not going to be right in 15 min either most likely. It isn't hard but it is specific and a little tedious.



Paul Lyons
24 years of mitsu
I must be nuts.

Posts: 89 | From: Oklahoma City, OK | Member Since: 02/27/11 | IP: (99.172.167.147) | Report this post to a Moderator

turbowop
Hard Snarker
1051/2000



Galant VR-4 org Post #: 1036708 posted 11/28/11 11:15 PM     Remind Me!  Send Private Message   Edit Post      
It's six. I'd bet 1051 on it.



-Mark

A face only a grocery shopper could love.
1051

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AWDPower
Member
739/1000


Galant VR-4 org Post #: 1036716 posted 11/28/11 11:25 PM     Remind Me!  Send Private Message   Edit Post      
You need to wait the 15 minutes because the auto tensioner plunger can come out a bit farther as it takes up the slack in the belt. That said, I always check the gap on the tensioner right away, before the 15 mintues, to see if it even has a chance of being right. If the tensioner is already at or past the max allowed extension, it's not going to retract as it sits, just do it again. If the gap is very small, I know it's wrong and needs to be set again. I've found that if the gap is at the small end of the spec intitially, it usually ends up okay. Keep in mind this is with a new belt, a used belt can be different. I've done enough that I can usually set a new belt on the first try, but I always check anyway. I do believe that it does matter what position the belt is in when you set the tension. The position of the exhaust cam affects the amount of tension on the belt between the exhaust sprocket and crank sprocket, which should affect the pressure pushing back on the auto tensioner. That said, I've never tried installing a belt in another position.



Jason K.
739/1000

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4wheelsqueal
Member +


Galant VR-4 org Post #: 1037657 posted 12/03/11 10:01 AM     Remind Me!  Send Private Message   Edit Post      
The cam timing tools that have been for sale on here by CKA make doing timing belt swaps a breeze. Get both, though. One holds the cams in the correct position and the second compresses the tensioner. Did timing belt swaps on two cars in thirty minutes with these tools. Highly recommend!



1997 Eclipse GSX - sold
2004 Evo RS
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555/2000 NB - 286,000 miles - sold
713/1000 KG - sold
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jepherz Galant VR4.org Moderator
Too Clean
1881/2000
50/1000


Galant VR-4 org Post #: 1037872 posted 12/04/11 05:21 PM     Remind Me!  Send Private Message   Edit Post   
Of course it is six. The cams rotate 1/2 the speed of the crank. How you can come up with an odd number is beyond me



-Jeff
1881/2000
50/1000

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