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My 1976 Palm Beach Project [message #281079] Tue, 30 June 2015 13:13 Go to previous message
Justin Brady is currently offline  Justin Brady   United States
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
Karma:
Senior Member
Okay guys,
This will be a build thread of sorts.
I will document everything I do to the GMC and use it to ask questions of you fine folks when I hit an impasse.

So far what I have done is as follows:

Picked it up in Blue Ridge Georgia and drove it home with engine issues and transmission problems.

Once home started trouble shooting and found several disconnected vacuum lines, reconnected and engine and trans are good to go!

Had substantial exhaust leaks at both the manifolds and the donuts.
Pulled the manifolds and welded up a crack in the passenger side manifold.
Installed Mr Gasket Copper exhaust gaskets.
When I installed the donuts the passenger side manifold didn't line up correctly with the exhaust, (toronado manifold perhaps?) so I cut the exhaust and repositioned it and welded it back in, problem solved. Have a few small leaks around the manifolds, I'm letting the gasket settle in and will retorque after a few miles.

Had one roof AC that wouldn't work. Turned out to be a hornets nest in the fan! Got that cleaned out and it runs like new.

Next up was the generator. After much troubleshooting and help from you guys I traced the issue to a bad relay on the board. Ordered a replacement board from Flight Systems to be delivered tomorrow! We shall see if that fixes the issue.

Ran all new fuel lines to ONAN (The Barbarian). This convinced me that I NEED to build some ramps, it's a bit cramped under there!
I Sandblasted and painted the exhaust for the onan. The whole thing will be getting a face lift when it's up and running at peak.

The battery that came with the coach is a Trojan 4D 12V but it's dead. It's on the charger at 14.4V 2A for now, trying to desulfate. We shall see if it holds a charge. It will likely be replaced with 4 6V batteries.

I replaced the overhead speakers with some Pyramid (direct fit) just for the time being, it will get a nice custom stereo install later.

I found a local guy selling a few PD9260's for 50 bucks each so I grabbed one of those to replace the nonfunctional buzz box.

And that's where we stand at the moment.


Justin Brady http://www.thegmcrv.com/ 1976 Palm Beach 455

[Updated on: Tue, 30 June 2015 13:24]

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