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Unread 04-11-2013, 11:37 AM   #1
Registered User
2002 KJ Liberty 
Join Date: Mar 2013
Location: Brandon, Fla
Posts: 10
Timing proceedure please help frustrated inc.

Have been strugling with a 3.7 for couple of days I have triple checked the timing marks and they are exactly where they wrere when I dissassembled the motor checked compresson is 120 across board except for#2 90 psi may be because ring has not seated yet when I took it apart followed proccedure for thw v6 marks pointing to 12 and the chain had r dot l dot ligned the dot on the chain up with dot bon the cam and dissassembled balancer at 1 oclock pointig towards the case stamp.I can not get this thing to start it tries to fire but never gets there is there another timing proceedure I can try getting very frustrated been doing engs along time this one is kicking my azzz please help.Anyone have a manual I have pgs 9-84 9-85.

tsawyer is offline   Reply With Quote
Unread 04-11-2013, 11:48 AM   #2
Senior Member
2003 KJ Liberty 
Join Date: May 2011
Location: Northern, OH
Posts: 579
If the timing marks line up it could be either the cam or crank sensor is bad. Both are on the right side of the engine; the cam sensor is easier to get to.

Start there first - my other ideas would require some disassembly :-(

P.S. What year engine are you working on?


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2003 Renegade, Black
- 3.7L, 42RLE, 4.10's, 4X Guard Trans skid, Factory Engine, T-case, Tank skids, Modded BoulderBars sliders, OME 927/948, Bilsteins, JBA A-Arms & 1/4" top plate, 1 extra rear iso/side, Moabs with Firestone Destination AT's 255/70-16
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