injector 0-ring lube
11-16-2010, 09:53 PM
#1
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Model: Cherokee
injector 0-ring lube
getting ready to replace the o-ring on the fuel injector and fuel pressure regulator. i hear to use lube to install but what kind of lube? thanks for the help
11-16-2010, 10:15 PM
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Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
I just used some left-over 5W-20 motor oil from when I did a change on my dad's focus. Worked just great, no issues. Basically anything that lubes it up should work.
11-16-2010, 11:01 PM
#5
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Year: 1998
Model: Cherokee
Engine: 4.0
according to the textbook Automotive Technology: A System Approach: First Canadian Edition it is best to use motor oil
just did a chapter on fuel system diagnosis and repair and this was one of the questions
12. What should be used on the injector sealing O-ring when installing an injector?
A) silicone grease
B) silicone sealant
C) engine oil
D) gasket cement
just did a chapter on fuel system diagnosis and repair and this was one of the questions
12. What should be used on the injector sealing O-ring when installing an injector?
A) silicone grease
B) silicone sealant
C) engine oil
D) gasket cement
Last edited by jeff2285; 11-16-2010 at 11:03 PM.
11-17-2010, 05:42 AM
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Year: 2000
Model: Cherokee
Engine: 4.0L with throttle body spacer and cold air intake, bored throttle body, #784 injector upgrade
Petroleum Jelly is what I used when in college and in the shop. We even will use it when rebuilding and engine... just very very small amounts of it.
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