Home » Public Forums » GMCnet » Belt replacement (Do I have to remove the fan or shroud?)
| Belt replacement [message #219258] |
Tue, 20 August 2013 13:54  |
Tilerpep
Messages: 404
Registered: June 2013
Location: Raleigh, NC
Karma: 7
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Returned from inaugural trips - much learned, much yet to be fixed! Threw the alternator belt about twenty miles from home, despite the AC belt squealing every time it cycled for 200 miles. Drove it home before battery gave up, didn't even stop in the rain to check when I heard it go.
So, do I have to remove the fan or shroud to replace the three belts?
PS I found the great charts on belt part numbers and stuff (have not gone to parts store to see what I get yet) on the forum, and the manual does not mention removal of fan, but a quick look on an earlier date under the coach didn't look like room for belt to slip by.
1975 Glenbrook, 1978 Royale rear bath
Raleigh, NC
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| Re: [GMCnet] Belt replacement [message #219260 is a reply to message #219258] |
Tue, 20 August 2013 14:03  |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Tyler, there is almost always room (barely) to squeeze the new belts
through. Try several places in the upper part of the shroud. Jwid
Jim Hupy
Salem, Or
78 GMC Royale 403
On Aug 20, 2013 11:54 AM, "Tyler" <tilertown@hotmail.com> wrote:
>
>
> Returned from inaugural trips - much learned, much yet to be fixed! Threw
> the alternator belt about twenty miles from home, despite the AC belt
> squealing every time it cycled for 200 miles. Drove it home before battery
> gave up, didn't even stop in the rain to check when I heard it go.
>
> So, do I have to remove the fan or shroud to replace the three belts?
>
> PS I found the great charts on belt part numbers and stuff (have not gone
> to parts store to see what I get yet) on the forum, and the manual does not
> mention removal of fan, but a quick look on an earlier date under the coach
> didn't look like room for belt to slip by.
> --
> 1975 Eleganza
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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| Re: [GMCnet] Belt replacement [message #219277 is a reply to message #219258] |
Tue, 20 August 2013 15:31 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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be sure to measure the belt with a 10 mm wrench
http://www.gmcmhphotos.com/photos/data/5950/GMC_BELTS_WILL_NOT_LET_YOU_DOWN.pdf
gene
On Tue, Aug 20, 2013 at 11:54 AM, Tyler <tilertown@hotmail.com> wrote:
>
>
> Returned from inaugural trips - much learned, much yet to be fixed! Threw
> the alternator belt about twenty miles from home, despite the AC belt
> squealing every time it cycled for 200 miles. Drove it home before battery
> gave up, didn't even stop in the rain to check when I heard it go.
>
> So, do I have to remove the fan or shroud to replace the three belts?
>
> PS I found the great charts on belt part numbers and stuff (have not gone
> to parts store to see what I get yet) on the forum, and the manual does not
> mention removal of fan, but a quick look on an earlier date under the coach
> didn't look like room for belt to slip by.
> --
> 1975 Eleganza
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List 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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| Re: [GMCnet] Belt replacement [message #219278 is a reply to message #219258] |
Tue, 20 August 2013 15:31 |
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ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
Karma: -3
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Many have been able to squeeze the belt between a fan blade and the shroud. I haven't been that lucky and have chosen to remove the 4 little nuts holding the fan in place. It's fingertip work for me, but thinking back on it I might have be enable to do it easily with one of those ratcheting box-end wrenches.
Not to start a pulley war, but I am very happy with my dual pulley on the alternator. I got it and a matched set of belts from Jim K. Pushed the power steering pump out as far as it would go, wrapped the belts and tightened up.
Larry Davick
Fremont, Ca
On Aug 20, 2013, at 11:54 AM, Tyler <tilertown@hotmail.com> wrote:
> ...So, do I have to remove the fan or shroud to replace the three belts? ...
>
> --
> 1975 Eleganza
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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| Re: Belt replacement [message #219290 is a reply to message #219286] |
Tue, 20 August 2013 16:07 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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| WD0AFQ wrote on Tue, 20 August 2013 13:54 |
I installed the two pice fan shroud long ago. I have plenty of room and have done it on side of the road.
Dan
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I absolutely agree with Dan on this. If you can swing the extra $$, this is the way to go. It makes working on ANYTHING on the front of the engine MUCH easier.
http://www.appliedgmc.com/prod.itml/icOid/584
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] Belt replacement [message #219333 is a reply to message #219290] |
Tue, 20 August 2013 20:56 |
Bruce Hart
Messages: 1501
Registered: October 2011
Location: La Grange, Wyoming
Karma: 5
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Or do this
http://www.gmcws.org/Tech/fan_shroud/fanshroud12.htm
On Tue, Aug 20, 2013 at 3:07 PM, Carl Stouffer <carljr3b@yahoo.com> wrote:
>
>
> WD0AFQ wrote on Tue, 20 August 2013 13:54
> > I installed the two pice fan shroud long ago. I have plenty of room and
> have done it on side of the road.
> > Dan
>
>
>
> I absolutely agree with Dan on this. If you can swing the extra $$, this
> is the way to go. It makes working on ANYTHING on the front of the engine
> MUCH easier.
>
> http://www.appliedgmc.com/prod.itml/icOid/584
> --
> Carl S.
> '75 ex Palm Beach
> Tucson, AZ.
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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--
Bruce Hart
1976 Palm Beach
Milliken, Co
GMC=Got More Class
51st State? Northern Colorado!
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Bruce Hart
1976 Palm Beach
1977 28' Kingsley
La Grange, Wyoming
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| Re: Belt replacement [message #219338 is a reply to message #219258] |
Tue, 20 August 2013 21:25 |
Tilerpep
Messages: 404
Registered: June 2013
Location: Raleigh, NC
Karma: 7
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Senior Member |
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I like the two piece idea, but $'s are going to dependability, not ease so far.
I have a set of the ratcheting box wrenches, that should be easier if I need to pull the fan, thanks...
Spent three hours trying to find a local belt fatter than the Gates. The forum warnings say that they are labeled 9.5, and the the ones I purchased are labeled 10 mm. So, they are not 9.5 but not 11. Sigh. Autozone, CARQUEST, Advance, OReilly, all had Gates or cheapo house brand, GMC dealer was no help at all, PepBoys said they carried Dayco but would be a day or two and the other lengths we compared to were still 10mm. Called Napa, they said their's was made by Gates. Guess I have to order Goodyear.
I charged the batteries with a trickle charger in order to restart and get it out of the street from its arrival!
1975 Glenbrook, 1978 Royale rear bath
Raleigh, NC
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| Re: Belt replacement [message #219340 is a reply to message #219338] |
Tue, 20 August 2013 21:40 |
A Hamilto
Messages: 4508
Registered: April 2011
Karma: 39
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Senior Member |
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| Tilerpep wrote on Tue, 20 August 2013 21:25 |
I like the two piece idea, but $'s are going to dependability, not ease so far.
I have a set of the ratcheting box wrenches, that should be easier if I need to pull the fan, thanks...
Spent three hours trying to find a local belt fatter than the Gates. The forum warnings say that they are labeled 9.5, and the the ones I purchased are labeled 10 mm. So, they are not 9.5 but not 11. Sigh. Autozone, CARQUEST, Advance, OReilly, all had Gates or cheapo house brand, GMC dealer was no help at all, PepBoys said they carried Dayco but would be a day or two and the other lengths we compared to were still 10mm. Called Napa, they said their's was made by Gates. Guess I have to order Goodyear.
I charged the batteries with a trickle charger in order to restart and get it out of the street from its arrival!
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http://www.appliedgmc.com/prod.itml/icOid/1238
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| Re: Belt replacement [message #219425 is a reply to message #219340] |
Wed, 21 August 2013 10:17 |
Don A
Messages: 895
Registered: October 2008
Location: Dallas, TX
Karma: 0
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Senior Member |
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<<< but $'s are going to dependability, not ease so far. >>>
Best idea.
You can often find a spot in the fan shroud where there is room to get the belt around the blades, one at a time. If you do take the shroud off, there is an excellent guide in the photo library on modifying it by splitting in half anad adding tabs to hold it back together. Ken Henderson's I believe.
Don Adams Dallas, TX
'76 26' Glenbrook, '90 Sidekick
rebuilt by R Archer, powered by J Bounds, Koba
[IMG]http://www.gmcmhphotos.com/photos/data/6109/G2.jpg[/IMG]
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| Re: [GMCnet] Belt replacement [message #219435 is a reply to message #219425] |
Wed, 21 August 2013 11:18 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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here is a source
http://www.bdub.net/curtis-unlimited/2010_List_w_Prices.pdf
2 piece fan shroud
(will be at Coos Bay:>)
On Wed, Aug 21, 2013 at 8:17 AM, Don Adams <dj.adams@att.net> wrote:
>
>
>
> <<< but $'s are going to dependability, not ease so far. >>>
>
> Best idea.
>
> You can often find a spot in the fan shroud where there is room to get the
> belt around the blades, one at a time. If you do take the shroud off,
> there is an excellent guide in the photo library on modifying it by
> splitting in half anad adding tabs to hold it back together. Ken
> Henderson's I believe.
> --
> Don Adams Dallas, TX
> '76 26' Glenbrook, '90 Sidekick
> rebuilt by R Archer, powered by J Bounds, Koba
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List 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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| Re: Belt replacement [message #219444 is a reply to message #219338] |
Wed, 21 August 2013 12:16 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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| Tilerpep wrote on Tue, 20 August 2013 22:25 |
<snip>
Spent three hours trying to find a local belt fatter than the Gates. The forum warnings say that they are labeled 9.5, and the the ones I purchased are labeled 10 mm. So, they are not 9.5 but not 11. Sigh. Autozone, CARQUEST, Advance, OReilly, all had Gates or cheapo house brand, GMC dealer was no help at all, PepBoys said they carried Dayco but would be a day or two and the other lengths we compared to were still 10mm. Called Napa, they said their's was made by Gates. Guess I have to order Goodyear.
|
Tyler,
Your belt buying efforts mirror my own. If the engine were not hot and running at road speed. I though for a moment to look in the log book. After all, it is right in front of me....
Problem (to be corrected soon), I didn't record the belts that I put on after the last change driven by the A/C belt leaving when the clutch bearing seized.
Another real "GotCha" is that some manufactures have changed the width of belts and not assigned a new part number. I just had this trouble with another. I took in the old belt and we compared them. No Match...
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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| Re: [GMCnet] Belt replacement [message #219577 is a reply to message #219444] |
Thu, 22 August 2013 20:39 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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I called the Parts Gerbil at the local VW store, to get him to order me thenporper alternator belt from the Fatherland. "No longer available". First tim I ever got that from VW.
--johnny
--------------------------------------------
On Wed, 8/21/13, Matt Colie <matt7323tze@gmail.com> wrote:
Subject: Re: [GMCnet] Belt replacement
To: gmclist@temp.gmcnet.org
Date: Wednesday, August 21, 2013, 5:16 PM
Tilerpep wrote on Tue, 20 August 2013 22:25
> <snip>
> Spent three hours trying to find a local belt fatter
than the Gates. The forum warnings say that they are labeled
9.5, and the the ones I purchased are labeled 10 mm. So,
they are not 9.5 but not 11. Sigh. Autozone, CARQUEST,
Advance, OReilly, all had Gates or cheapo house brand, GMC
dealer was no help at all, PepBoys said they carried Dayco
but would be a day or two and the other lengths we compared
to were still 10mm. Called Napa, they said their's was made
by Gates. Guess I have to order Goodyear.
Tyler,
Your belt buying efforts mirror my own. If the engine
were not hot and running at road speed. I though for a
moment to look in the log book. After all, it is right
in front of me....
Problem (to be corrected soon), I didn't record the belts
that I put on after the last change driven by the A/C belt
leaving when the clutch bearing seized.
Another real "GotCha" is that some manufactures have changed
the width of belts and not assigned a new part number.
I just had this trouble with another. I took in the
old belt and we compared them. No Match...
Matt
--
Matt & Mary Colie
'73 Glacier 23 Chaumière (say show-me-air)
Now with 4 working Rear Brakes
SE Michigan - Twixt A2 and Detroit
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Belt replacement [message #219583 is a reply to message #219577] |
Fri, 23 August 2013 01:46 |
jim kanomata
Messages: 257
Registered: March 2007
Location: fremont,ca
Karma: 12
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Senior Member |
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From what I remember, there is a flat spot on the shroud that is flat.
Find that spot and work around that slot.
By the way, Gene, you know we stock those two piece fan shroud, so you need not wait.
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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| Re: Belt replacement [message #219918 is a reply to message #219258] |
Sun, 25 August 2013 21:19 |
Tilerpep
Messages: 404
Registered: June 2013
Location: Raleigh, NC
Karma: 7
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Senior Member |
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And now for the power steering pump tightening...
So, I have three Goodyear belts that are 11mm(7/16) all sitting loose in the pulleys. I got them on by working past each blade with each belt in a slightly bigger gap on the upper driver side of shroud.
Been reading, and everyone says don't crank the power steering pump over by pressing on the body of the pump...well shoot I can't see what other options with the brackets that nearly surround it. I tried a crowbar and a ratcheting strap on the pulley shaft that extends to the front, but still not convinced it is tight enough. Is there a technique? I am going to just crank alt and ac with crowbar from top once ps is tight.
1975 Glenbrook, 1978 Royale rear bath
Raleigh, NC
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