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trans. issues

Old May 9, 2012 | 11:43 AM
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SHO rescue 79's Avatar
SHO rescue 79
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trans. issues

I have a 88 350 with a n/a 7.3 and a c6. The trans. dosn't go in reverse all the way, It will start to move slowly then it will bang into gear. It also wants to hold 2nd gear to long even with casual driving it dosn't shift into 3rd untill 3,400 rpm. It dosn't do either all the time it's hit or miss.
 
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Old May 10, 2012 | 02:52 AM
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Sounds like a c6 with its pump on the way out...OR its the VRV....
 
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Old May 10, 2012 | 09:20 PM
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If it's the pump should I do a rebuild? Also what is the vrv?
 
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Old May 15, 2012 | 11:33 AM
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Originally Posted by SHO rescue 79
If it's the pump should I do a rebuild? Also what is the vrv?
The Vacuum Regulator Valve is attached to the injector pump and uses vacuum to tell the transmission where the IP lever is IE: throttle position. If it goes bad, it may not send the correct vacuum pressure/suction to the trans and it won't know when to shift. The reverse issue is unrelated to the VRV, though.
 
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