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Old 10-15-2003, 02:58 AM   #1
dwx
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Default Cam sprockets hard to remove?

Okay so we were moving some stuff over from my old engine to the new engine. It required I remove the old cam sprockets (rear timing belt cover). The left hand side ones weren't all that hard to remove, I know the specs in the manual say 72 ft-lbs. The right hand side ones are a different story. They wouldn't budge. I broke out the 600 ft-lb IR impact and they didn't budge. The day ended when I used a 1/2" breaker bar and ended up snapping a 10mm Craftsman hex socket. Am I missing something obvious?
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Old 10-15-2003, 07:18 AM   #2
2superblus
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I'll talk to lance he recently took his a part. I'll see what tricks he used.

Bart
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Old 10-15-2003, 09:05 AM   #3
2000vfr800
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No...you aren't missing anything. They are on EXTREMELY tight.
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Old 10-15-2003, 11:36 AM   #4
TypeC
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Hmm, mine were tight, but not THAT tight. I put a breaker bar on the end of a craftsman hex bit, and used a crecent wrench to hold the cams in place. It took a bit, but they all came off.

-C
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Old 10-15-2003, 12:01 PM   #5
stimpy
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Some of those engine bits (ie: camshaft sprockets and crankshaft pulley) are notiorious for being "seized" into place. Due to the constant heat cycling and torques applied due to the belts, they work their way down into a tight little spot and are very hard to get off.

-Jon
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Old 10-15-2003, 12:14 PM   #6
dwx
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Yeah we tried to get a generous amount of PB Blaster in there and we'll see what happens later when I try to get it off. It was just strange how only the one side is like that, but it's both sprockets, the others came off with the impact like nothing. We were using the same method with holding the cam with a wrench and then using the impact or breaker bar on it.
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Old 10-15-2003, 12:19 PM   #7
RiftsWRX
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3/8" hex socket snaps like a twig. We had to use a 1/2" hex socket and then we got it off by using a wrench on the cam to keep it still, and a BIG breaker bar on the other side with the socket.

Yeah... you kinda learn after taking 3 apart

Jorge (RiftsWRX)
www.ProjectWRX.com
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Old 10-15-2003, 12:52 PM   #8
stimpy
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One little trick we did was broke the nuts with the timing belt still on. That way, all we had to worry about was how big the breaker bar was.

-Jon
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Old 10-15-2003, 02:41 PM   #9
STEALTH-WRX
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Mine were rediculously tight. It took three guys. One to hold the motor on the stand and two to crank on.
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