| [GMCnet] Harmonic Balancer [message #86409] |
Fri, 28 May 2010 10:16  |
Dave Motorhome
Messages: 175
Registered: July 2007
Karma: 2
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Senior Member |
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I need to replace my harmonic balancer, Does anyone have any first
hand knowledge of this task?
Is it as simple as taking off the belts pulling it out.... or do i
have to remove the fan/ radiator?
also, is it ok just to pick up the part from napa.. or what ever local
parts store has it.. or should i purchase a more specific one online?
any and all input would be greatly appreciated! i have the ability..
not the knowledge.. (dangerous combo)
Hope everyone has a safe Holiday weekend.
--
David
75 Glenbrook
Broken Arrow, OK
http://75glenbrook.googlepages.com/
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| Re: [GMCnet] Harmonic Balancer [message #86445 is a reply to message #86409] |
Fri, 28 May 2010 17:02  |
dgsav
Messages: 13
Registered: January 2010
Location: Lancaster, CA
Karma: 0
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Junior Member |
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I replaced mine last month with this unit: http://www.summitracing.com/parts/PFS-80022/. It has white timing marks from 0 to 60 degrees BTDC, plus an additional mark every 90 degrees. It didn't cost much more than the basic OEM types available at the auto parts stores.
A harmonic damper puller is required to remove the old damper. Further, I recommend using a damper installation tool to install the new damper. It's a tight fit and the damper can be damaged if one beats on it to install it on the crankshaft.
David
'73 23' x-Painted Desert TZE033V100223
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| Re: [GMCnet] Harmonic Balancer [message #87142 is a reply to message #86465] |
Thu, 03 June 2010 17:21 |
Dave Motorhome
Messages: 175
Registered: July 2007
Karma: 2
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Senior Member |
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I received my harmonic balancer (none in north east Oklahoma) I swung
by the gmc and was curious what size is the big bolt in the HB see pic
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29192&title=timing-chain-r-2fr&cat=5172
I had a standard set of sockets, 3/4 the largest did not come close. I
will have to buy a socket, If someone knows the size, it would save
me a trip.
thanks,
David Paliotta
75 Glenbrook
Broken Arrow, OK
http://75glenbrook.googlepages.com/
On Fri, May 28, 2010 at 7:40 PM, Rob Mueller <robmueller@iinet.net.au> wrote:
> G'day,
>
> Here's the same unit on eBay for $69.99 + $9.95 shipping (same as Summit) -
> 170459066083
>
> Regards,
> Rob Mueller
> Sydney, Australia
> AUS '75 Avion-The Blue Streak TZE365V100428
> USA '75 Avion-Double Trouble TZE365V100426
>
>
> -----Original Message-----
> From: David
>
> I replaced mine last month with this unit:
>
> http://www.summitracing.com/parts/PFS-80022/
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| Re: [GMCnet] Harmonic Balancer [message #87144 is a reply to message #87142] |
Thu, 03 June 2010 17:37 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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Senior Member |
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Dave
The bolt head takes a 1 1/8" socket this would be a good time to invest in a 1/2" drive set of sockets even a harbor freight set should be ok as you probibly won't be using it every day.
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: [GMCnet] Harmonic Balancer [message #87289 is a reply to message #87144] |
Fri, 04 June 2010 14:32 |
dgsav
Messages: 13
Registered: January 2010
Location: Lancaster, CA
Karma: 0
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Junior Member |
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| roy1 wrote on Thu, 03 June 2010 15:37 |
Dave
The bolt head takes a 1 1/8" socket this would be a good time to invest in a 1/2" drive set of sockets even a harbor freight set should be ok as you probibly won't be using it every day.
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Also, the bolt is torqued to 160 ft lbs, so you'll need a fair amount of leverage to break it loose.
David
'73 23' x-Painted Desert TZE033V100223
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| Re: [GMCnet] Harmonic Balancer [message #87470 is a reply to message #87144] |
Sat, 05 June 2010 23:06 |
midlf
Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)
Karma: 1
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Senior Member |
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| roy1 wrote on Thu, 03 June 2010 17:37 |
Dave
The bolt head takes a 1 1/8" socket this would be a good time to invest in a 1/2" drive set of sockets even a harbor freight set should be ok as you probibly won't be using it every day.
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Get the 3/4" drive set from HF then you will also have the 1-1/2" socket you need for the front axle nut and handles that are long enough and strong enough to take the forces needed to break these items loose.
Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
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| Re: [GMCnet] Harmonic Balancer [message #87479 is a reply to message #87470] |
Sun, 06 June 2010 00:57 |
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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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G'day,
I agree with Steve with a comment; I'd get the set with the 18 inch "T" bar
as apposed to the set with the 24 inch breaker bar. I'll be dollars to
donuts the bar and slider of "T" bar will take more torque than the pin in
the head of the breaker bar.
http://tinyurl.com/2fymvzb
http://www.harborfreight.com/21-piece-sae-3-4-quarter-inch-heavy-duty-socket
-set-3994.html
Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: Steve Southworth
Get the 3/4" drive set from HF then you will also have the 1-1/2" socket you
need for the front axle nut and handles that are long enough and strong
enough to take the forces needed to break these items loose.
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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
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