| Re: [GMCnet] 1977 Birchaven -Engine Smell in Cab [message #312380] |
Sun, 22 January 2017 22:08 |
James Hupy
Messages: 6806
Registered: May 2010
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Senior Member |
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There is supposed to be a tight seal on the hatch cover. Sometimes the
rocker covers leak oil onto the exhaust manifolds. The fix is to straighten
out the covers and install new gaskets. I prefer the neoprene/steel
sandwich style instead of cork. Also, check the transmission cooler lines
and engine oil cooler lines. Fix all visible leaks.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Jan 22, 2017 7:57 PM, "Matthew" wrote:
Hey all,
I was looking at purchasing a 1977 Birchaven, but when I was driving it on
a test drive the motorhome smelled a bit like engine fumes. It wasn't
overwhelming, but noticeable. Is this type of experience typical in GMC
Motorhomes because of the technology and engine location directly in the
cab?
Is there any chance to make the home smell free or will there always be a
slight odor when the engine is running?
Thanks!
Matthew
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