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[GMCnet] ATF & Power Steering Fluid [message #62023] Tue, 27 October 2009 21:18 Go to next message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
Senior Member
G’day,

When I was at Tom Hampton’s shop this past summer we removed the steering
box from Double Trouble to:

1) replace the upper seal
2) adjust it as per the Maintenance Manual

In order to perform step 2) the box must be drained and when I did so the
fluid had a pinkish tint to it. Tom noted that was probably from automatic
trans fluid. Furthermore he noted that the seals in the steering pump were
not compatible with ATF and that could be why the seal was leaking.

Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426
Re: [GMCnet] ATF & Power Steering Fluid [message #62035 is a reply to message #62023] Tue, 27 October 2009 22:20 Go to previous message
Larry is currently offline  Larry   United States
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
Senior Member
Rob,
I use Amsoil ATF in my PS. Amsoil claims compatibility and it's one less can of soup I gotta carry. No problems so far. I also change the oil in the PS reservoir with every oil change. Been doing that for years on my cars...never had a PS problem with the cars, no matter the milage. JFWIW

Robert Mueller wrote on Tue, 27 October 2009 21:18

G’day,

When I was at Tom Hampton’s shop this past summer we removed the steering
box from Double Trouble to:

1) replace the upper seal
2) adjust it as per the Maintenance Manual

In order to perform step 2) the box must be drained and when I did so the
fluid had a pinkish tint to it. Tom noted that was probably from automatic
trans fluid. Furthermore he noted that the seals in the steering pump were
not compatible with ATF and that could be why the seal was leaking.

Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426

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http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist





Larry Smile
78 Royale w/500 Caddy
Menomonie, WI.
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