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Old 02-14-2018, 12:22 AM   #1
Rufas
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Join Date: May 2016
Location: Fort Mohave, AZ
Posts: 346
Lumbar support pump

I'm normally on the 67-72 forum. The seat I my 1970 GMC is out of a Chevy Silverado late 90's to early 2000's. The seat has the air pump lumbar support. The support does fill and hold air. But not much happen the the support area on the seat. I've checked the output pressure at the pump and it's only producing about 2 psi.

That seems low. Itf the pump is bad, where could I get a pump?

Thanks
Eric
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1970 GMC 2500
700R Trans
RideTech 4 link rear suspension - Air Bagged on all four corners
350 SBC 300hp
Weiand Supercharger
FiTech EFI
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