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Unread 02-15-2007, 01:40 PM   #1
Skeezer
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TJ Vacuum Lines

Would anybody happen to have a picture or can tell me the location of vacuum lines on a 06 TJ 4.0L ? I think I might have a vacuum line problem. I appreciate your help, thank you.

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Unread 02-15-2007, 01:47 PM   #2
Jerry Bransford
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They're "everywhere". They power the power brake booster and go into the dash area where they power the various HVAC control doors. You're just gonna have to kind of look around for them. You can locate a vacuum leak by spraying carb or TB cleaner at all the likely locations on the vacuum line connections while the engine is running. If the cleaner gets sucked into the engine via a leak in one of the vacuum hoses, you will immediately hear an engine RPM fluctuation.
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Unread 02-15-2007, 01:50 PM   #3
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Thanks Jerry, I'll give it a shot.
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Unread 02-15-2007, 02:41 PM   #4
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06 should be under warr.
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Unread 02-15-2007, 03:18 PM   #5
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They can be a pain. My dad used to have cans of smoke for testing fire alarms that would be great for this if someone found a can. No residue, just tape up the intake and spray it in a vaccuum line and see where it comes out.
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