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Old 02-20-2008, 10:23 PM   #1
SubarNoober
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Default When doing a timing belt change on an EJ22...

Should I necessarily replace the oil pump? The waterpump?

What else do you suggest and

1) why?
2) what's the cost factor?
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Old 02-20-2008, 11:41 PM   #2
Tim Sanderson
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How many miles on it? I don't change anything unless it needs it. It might be nice to have cam and crank seals handy should you need them.
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Old 02-20-2008, 11:45 PM   #3
SubarNoober
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Miles, good point...

It's at 140k.
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Old 02-21-2008, 12:10 AM   #4
reddevil
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replace water pump. Oil only if its leaking. My 2 cents. Oh yeah, the cam seals if they are leaking.
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Old 02-21-2008, 12:13 AM   #5
my4isflat
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I wouldn't worry about the oil pump. On everyone of the high mileage Subarus I've owned never once was one changed (325,000mi, 200,000mi and as of now 166,000mi). And out of those three cars only one had the water pump changed, the one with the lowest miles. The water pump was fine, I just did it for peace of mind, as do most others.

I would go ahead and replace the idlers and the tensioner though. They will, if not already, get noisey, and worst case fail (once again peace of mind). The tensioner should be looked at as a wear item too, you don't want the belt to skip a tooth or come off. If you have the time and money seals are a good idea, especially cam seals on your 2.2.

I'm not going to do the homework for you, but a rough estimate would be somewhere around $300 for all the parts, give or take a few. I guess to sum up a long story if nothing is broken you can get away with just the belt. All the other parts are just for peace of mind.
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Old 02-21-2008, 12:15 PM   #6
Guerice
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Quote:
Originally Posted by my4isflat View Post
I would go ahead and replace the idlers and the tensioner though. They will, if not already, get noisey, and worst case fail (once again peace of mind). The tensioner should be looked at as a wear item too, you don't want the belt to skip a tooth or come off.
I will never say it enought, change all the timing belt idlers and the tensionner. I didnt and on my yearly trip, one of the idlers cooked it's bearing and came out the front of the engine. Trust me it wasnt worth the price of the part to have a pissed off gf nagging at me
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Old 02-21-2008, 12:22 PM   #7
Legacy777
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I'd recommend replacing the o-ring that connects the oil pump & block. Also, the screws on the backing plate of the pumps can sometimes back out. If you're in there, I'd replace the o-ring and check the screws. It also makes changing the front crank oil seal easy.

Here's some pics from my timing belt job that shows the oil pump & backing plate, etc
http://www.main.experiencetherave.co...ges/timingbelt
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Old 02-21-2008, 01:44 PM   #8
SubarNoober
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Thanks to all for the help. Much appreciated. I think I'll follow the advice around new tensioners, but I'll ask in a separate thread so it's easier for others to find in the future.
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