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Timing Belt Checklist

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Dave_Hash

15+ Year Contributor
170
0
Oct 18, 2003
Stratford,
I am doing my first timing belt job on my 2g. I wanted to know if I have everything I need to do the job and if there is anything I am missing. What I ordered today...

  • Timing Belt MD326059
  • Timing Belt Idler Pully MD156604
  • Timing Belt Tensioner Pulley MD182537
  • Timing Belt Tensioner MD308086
  • Balance Shaft Belt MR984778
  • Balance Belt Tensioner MD352473
  • Water Pump MD972050
  • Thermostat MD315301
 
You may want to add the following items to that list:
  • Front main seal
  • Balance shaft seal
  • Camshaft seal (2)
  • Valve cover gasket (if doing the camshaft seals)

Sorry, I do not know the Mitsubishi part numbers for these items.

I figured that it would be wise idea to replace these seals while you are in there, as it greatly reduces the chance of oil leaking onto your timing belt and causing problems later on. It is not that much extra work to replace these seals.
 
Sorry to thread jack, i'm also about to do a timing job and I was wondering if it's required to change the Timing Belt Tensioner adjuster MD308086
 
At the very least a TB job should include the timing belt, balance belt (if you still have it), auto tensioner, and water pump.

A complete TB job would include TB, BB (if used), auto tensioner, TB tensioner pulley, BB tensioner pulley (if used), idler pulley, crank seal, cam seals (2), oil pump seal, and BB shaft seal (if used), and water pump.

The valve cover set would not be bad to change. Also check the arm surface that the auto tensioner pushes against as it can wear a "dimple" into it similar to the clutch fork/pivot ball scenario. Also check the condition of the crank damper pulley for wear.
 
diablos991 said:
You may want to add the following items to that list:
  • Front main seal
  • Balance shaft seal
  • Camshaft seal (2)
  • Valve cover gasket (if doing the camshaft seals)

Sorry, I do not know the Mitsubishi part numbers for these items.

I figured that it would be wise idea to replace these seals while you are in there, as it greatly reduces the chance of oil leaking onto your timing belt and causing problems later on. It is not that much extra work to replace these seals.










I'll help you out a little bit. :)




  • MD372536 Camshaft Seals
  • MD125939 Valve Cover Gasket
  • MD343563 Front Main Seal
  • MD343565 Balance Shaft Seal
 
I'll help you out a little bit. :)
  • MD372536 Camshaft Seals
  • MD125939 Valve Cover Gasket
  • MD343563 Front Main Seal
  • MD343565 Balance Shaft Seal

Why is it that every time you post there is a 10 foot gap between what you quote and what you write?
 
So if you dont reuse the old auto tensioner and you buy a new one, you don't have to get the tool?

If you are installing a new auto tensioner you DO NOT need the "special" tool. It is only to release tension and allow you to "pin" the auto tensioner, something that's not necessary if you're going to trash it anyway.


When I do them I just get the engine to TDC and cut the belt and start replacing parts.
 
If you are installing a new auto tensioner you DO NOT need the "special" tool. It is only to release tension and allow you to "pin" the auto tensioner, something that's not necessary if you're going to trash it anyway.


When I do them I just get the engine to TDC and cut the belt and start replacing parts.
Jim, I would have to disagree here, you can definitely do without the special tool to apply proper torque on the tensioner pulley and use a 90* needle nose plier but the other one is almost a must as no one, unless you do this every day, will be lucky enough to get the tension correctly on the first try and you will have to compress the new auto tensioner again and again until proper tension is reached. It took me about 10 tries before everything fell into spec on my first ever TB job. Here is how you can make your own tensioning tool.

http://www.vfaq.com/mods/timingbeltNOTE1.html
 
Jim or Bruce, I need to replace my water pump (leaking through weep hole as best I can tell). I was able to confirm that a new T-belt and related components were used during a 6 bolt swap 6K miles ago. Since they are relatively new do you think it's ok to reuse all or any of the components or do you recommend replacing things since I am going to be "there" anyway? Unfortunately expense is somewhat of a consideration for me right now.
 
As long as you're 100% sure all components are 6k old, specially the auto tensioner, and all pullies spins freely, YES. One thing to be careful with is to compress the auto tensioner slowly.
 
As long as you're 100% sure all components are 6k old, specially the auto tensioner, and all pullies spins freely, YES. One thing to be careful with is to compress the auto tensioner slowly.

It sucks when financial concerns pressure me into taking routes that I would prefer to avoid, but I'm sure others can understand. I have never done a TB job, but given my current situation do you think I should at least replace the auto tensioner since it is so vital or does that seem pointless unless I am replacing everything?

Thanks.:)
 
It is definitely the wise decision to do it all at once.

You wouldn't want to spend 600-1k+ (in labor alone) if one of those pullies, or any number of the parts neglected, go bad.

See if you can borrow some money or find some way to gather up the funds to perform the job like it should be performed.

The first time I did my timing belt, I was in the same boat. I, however, went to the bank and took out a small signature loan that I paid off within the next month.
 
As long as you're 100% sure all components are 6k old, specially the auto tensioner, and all pullies spins freely, YES. One thing to be careful with is to compress the auto tensioner slowly.

So if the auto tensioner falls into vfaq specs it can be reusable? Reason I ask, last thing this guy did to the car was change timing belt(shop did) and they did it wrong, timing is off, but if they used new auto tensioner I can reuse it right?
 
So if the auto tensioner falls into vfaq specs it can be reusable? Reason I ask, last thing this guy did to the car was change timing belt(shop did) and they did it wrong, timing is off, but if they used new auto tensioner I can reuse it right?
How do you know it was brand new, mileage and most of all, the reason for timing being off? I would not take other people or shop's word for something as important as the auto tensioner. The key word in my previous post is "100%", the only way you can be 100% sure is if you did the previous job yourself.
 
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