Author Topic: Transmission crossmember won’t line up.  (Read 1615 times)

Offline mercado1211

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Transmission crossmember won’t line up.
« on: May 05, 2019, 09:49:00 PM »
I have a 79 C10 I am trying to bolt a transmission crossmember on. The front hole on the passengers side top frame flange is not lining up by about an 1/8 inch. Will looosening all the crossmember bolts and finger tightening till all bolts are mounted do the trick? Why else would the crossmember not line up in the mounting holes?


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1984 k10 LWB
1984 k5
1979 C10 SWB

Offline Irish_Alley

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Re: Transmission crossmember won’t line up.
« Reply #1 on: May 05, 2019, 10:08:55 PM »
the frames flex so it could be how the frame is sitting, but yes loosen all the bolts and finger tight them.
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Offline mercado1211

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Re: Transmission crossmember won’t line up.
« Reply #2 on: May 05, 2019, 11:08:13 PM »
Ok, hopefully it isn’t an issue with a tweaked frame. It doesn’t appear that way since it is only off by an 1/8 inch. I’m also having issues with lining the bed up as well, it seems to protrude  to the right a little. When I tried shifting the bed straight it would not give. The bed is a little diamond tweaked by about 5/16. That might explain it.

I really appreciate your response. Thanks.


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1984 k10 LWB
1984 k5
1979 C10 SWB