| Transmission shifting [message #84623] |
Fri, 14 May 2010 21:26  |
psakw
Messages: 61
Registered: February 2010
Karma: 0
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I have been told not to manually shift the GMC transmission into second gear as it uses a band instead of clutches. They said the band is very small and can wear out quickly.
When the transmission shifts by itself it uses the clutches.
Is this true?
Paul A
73 Sequoia
Key West Florida
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| Re: [GMCnet] Transmission shifting [message #84626 is a reply to message #84623] |
Fri, 14 May 2010 22:03  |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Senior Member |
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Not true, you won't wear it out. Shifting into second for down grades
is a common practice and I also have a shift kit.
J.R.
On May 14, 2010, at 10:26 PM, paul array wrote:
>
>
> I have been told not to manually shift the GMC transmission into
> second gear as it uses a band instead of clutches. They said the
> band is very small and can wear out quickly.
> When the transmission shifts by itself it uses the clutches.
> Is this true?
>
> Paul A
> 73 Sequoia
> Key West Florida
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: [GMCnet] Transmission shifting [message #84640 is a reply to message #84635] |
Fri, 14 May 2010 23:51 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Gene,
I think Manny told me something along the lines of:
Trans Rebuild = $1500 + 8 hours labor
Brake Pads = $100 + 1 hour labor
It's your choice!
Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Mr.erf ERFisher
Sent: Saturday, 15 May 2010 2:02 PM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Transmission shifting
the rule is, go down hill the same speed and gear you go up.
shifting down while at a high rpm. to slow down is a no, no. Brakes are
better at this and have more material than the clutches.
ask Manny about the clutches and bands
gene
On Fri, May 14, 2010 at 7:26 PM, paul array <pumppal1@aol.com> wrote:
>
>
> I have been told not to manually shift the GMC transmission into second
> gear as it uses a band instead of clutches. They said the band is very
small
> and can wear out quickly.
> When the transmission shifts by itself it uses the clutches.
> Is this true?
>
> Paul A
> 73 Sequoia
> Key West Florida
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Gene Fisher -- 74-23,77PB/ore/ca
"Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: Transmission shifting [message #84657 is a reply to message #84623] |
Sat, 15 May 2010 07:21 |
fred v
Messages: 999
Registered: April 2006
Location: pensacola, fl.
Karma: 0
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Senior Member |
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this came up before and someone said that when climbing a hill it was better to manually shift to "S" than to use the kick down switch. more clutches were used manually shifting.
can anyone confirm that?
Fred V
'77 Royale RB 455
P'cola, Fl
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