Need IPR help FAST!!
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Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
Need IPR help FAST!!
ok i am doing IPR (injector pressure regulator) o-rings on my truck tonight and i took the bad ones off think it was only the small round o-ring and the big one. what i didn't notice if the square cut backer ring. i need to know if the backer goes toward the tip of the ipr or toward the threaded end.
please help fast. i don't want to be here all night wondering.
thanks
tim
please help fast. i don't want to be here all night wondering.
thanks
tim
Thread Starter
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Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
well thanks any way guys. got it figured out. i tore into an engine we have in the shop from a customers truck.
if any body is needing to know the backer goes toward the threaded end then the small round o-ring goes between the backer and the tip of the ipr.
if any body is needing to know the backer goes toward the threaded end then the small round o-ring goes between the backer and the tip of the ipr.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Glad you got it figured out so fast and it was fortunate that you had another truck sitting there for reference.
Did that servicing the IPR improve the driveability at all? Was there a problem beforehand or were you simply wanting to make sure all was good?
Did that servicing the IPR improve the driveability at all? Was there a problem beforehand or were you simply wanting to make sure all was good?
Thread Starter
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Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
kwik i had a hot restart issue. long crank and one time a no start but when cold it fired no problem. we actually have a core engine sitting here that we paid the core on when we took it out of the customers truck. it has been great for parts and reference! $500 well spent!!! the small o-ring is about 3/8 of an inch diameter and was missing about 1/16 all the way thru! i was surprised it would start at all.
