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Old 02-28-2012, 10:54 AM   #1
JeepED's Avatar
Join Date: Dec 2011
Location: New Jersey
Posts: 31
Camshaft Synchronizer

Changed the oil in my 2003 Wrangler X and it started making a ticking noise almost right away. Sounded like a lifter or something similar. Looked all over this site to narrow it down. Got a mechanic's stethoscope and it seems to be the camshaft synchronizer.

I ordered one from Rock Auto and it should be here in a day or so. How difficult is this to replace? I've never really messed with timing things and stuff like that.

Also, I'm now seeing that the Dorman replacement part might not fit. Anyone have any experience with this? Any tips?

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Old 02-28-2012, 01:49 PM   #2
RUBI 4 MY MRS's Avatar
Join Date: Feb 2011
Location: California/Nevada
Posts: 1,344
The Dorman units are known to be about .002-.004" too big. They can be "sanded" down pretty easily. Trial & error fit. They should come with an alignment pin in place which positions it properly with the engine at TDC #1 cyl on compression. Rotate the engine to that position before pulling the old one. You will see the old one line up when properly timed. There is good info on this in the FSM which you can view here. Jeep Knowledge Base

'05 Rubi TJ Unlimited
'93 Toyota 4Runner
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