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11-13-2020, 10:51 AM | #51 | |
Scooby Newbie
Member#: 510046
Join Date: Dec 2019
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Quote:
It seems like the NTN is the same tensioner included in almost all the kits. Gates, Aisin, roger Clark etc. reading through this thread and scouring the internet it seems bleeding the tensioner is not common practice. Can anyone shed light on that?
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11-15-2020, 01:56 PM | #52 | |
Scooby Newbie
Member#: 495630
Join Date: Dec 2018
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11-15-2020, 03:18 PM | #53 |
Scooby Newbie
Member#: 445600
Join Date: Apr 2016
Chapter/Region:
Tri-State
Location: SE PA
Vehicle:2002 Outback Sport Green |
In short, YES.
I've worked at two Subaru dealers, and at both dealers we replaced the timing belt and the tensioner ONLY- nothing more. The only exception is the small pulley on turbo engines (the one with the 12mm bolt, mounted between the tensioner and the bank 2 intake cam sprocket). The failure rate of water pumps is extremely low. Installing an aftermarket pump may actually increase the chance of failure. OE tensioners do not need to be bled. |
11-15-2020, 05:01 PM | #54 | |
Scooby Newbie
Member#: 495630
Join Date: Dec 2018
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Quote:
Maybe the dealer books say not to bleed the new tensioners on install, but I wouldnt dare skip that step given the potential of a belt skipping after doing that job and then whacking some valves. Its literally a 5 min. procedure. I'd consider it critical. |
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11-15-2020, 11:56 PM | #55 | |
Scooby Guru
Member#: 6971
Join Date: May 2001
Chapter/Region:
NWIC
Location: Edmonds, Washington, USA
Vehicle:2008 WRX STi SSM |
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11-16-2020, 04:00 PM | #56 | |
Scooby Newbie
Member#: 495630
Join Date: Dec 2018
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Quote:
Its also tricky to to the ones on the sides of the cover with the engine installed since you cant really get a straight on sight line on them. I had pulled my engine to do my clutch when I did the timing belt so access was a breeze..yet it was still tricky to get the spec exactly right. Needless to say none of the guides should touch the belt when its rotating. I used a feeler gauge to get the spec correct. |
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