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Old 10-07-2011, 07:07 PM   #25
nixtux
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Join Date: May 2010
Location: MN
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I'll test a 2003 Monday, if it works great if not the transmission guy at the GM dealership is looking into whether the old part will fit the transmission.

According to him, GM changed the transmission pressure valve in 2003 on the 4t4x. So if you put a transmission from 2003+ in a 2002 or older you may need to change that valve...

Not sure if anyone else has tried what I have or not, so I'm open to suggestions.
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1999 Alero GLX 4dr Whi
3500 (stock ATM)/4t45e (3.29)
Had a cammed 3500 built but exhaust valves hit.
Cash is tight so time will tell why.

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