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Re: [GMCnet] Re: 73 lower ball joints [message #368395 is a reply to message #368390] Sun, 09 January 2022 08:13 Go to previous messageGo to previous message
Matt Colie is currently offline  Matt Colie   United States
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma:
Senior Member
jimk wrote on Sat, 08 January 2022 18:54
John,
We know they are same 73-78.
However the lower A frame on 73 were not beefed up and has presented fatigue.
--
Jim Kanomata ASE
Applied/GMC, Newark,CA
I know Jim is correct, but what has not been said is that even with the GM factory service bulletin reinforcement there can still be issues with the early coaches.

While most have failed during low speed maneuvering, they can fail with no warning. Visual inspection is very difficult. The side fasteners should be checked at every opportunity.

Matt


Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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