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11-02-2019, 12:00 PM
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#1
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Senior Member
Workhorse Chassis Owner
Join Date: Jul 2013
Location: Somewhere
Posts: 400
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Fan Clutch
Has anyone replaced their fan clutch with the ones that Oemy has listed on his website? The part numbers are GM - 15712914 or AC DELCO - 15712914. These 2 are a little less expensive than the Workhorse (W8002567).
Thanks,
Jim
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Jim and Lisa
2003 Coachmen Aurora Gold 3510DS Ultra Power Koni FSD Scan Gauge II
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11-02-2019, 01:25 PM
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#2
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Senior Member
Join Date: Nov 2013
Posts: 5,771
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Read about too many people using the non-Workhorse and having issues. I spent the money on the Workhorse version.
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2015 Tiffin Phaeton 40QBH
2018 Chevrolet Colorado Toad
Roadmaster Tow Setup
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11-02-2019, 01:43 PM
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#3
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Registered User
Join Date: Jul 2013
Location: Somerset, Ky
Posts: 256
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I would use the OEM version
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11-03-2019, 07:07 AM
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#4
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Senior Member
Newmar Owners Club Workhorse Chassis Owner
Join Date: Dec 2011
Location: SW VA
Posts: 216
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I watched the video and he noted that he was having cooling issues and noted the coolant temp getting too high. I would think that I would notice the absence of the unmistakable roar that accompanies the clutch engaging the fan at about 205 degrees as another key indicator to the diagnosis.
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Jerry and Georgia
'03 Mountain Aire 38' on W22 (8.1 L gas)
2015 GMC Canyon All Terrain towed 4 down
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11-03-2019, 01:35 PM
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#5
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Registered User
Join Date: Jul 2013
Location: Somerset, Ky
Posts: 256
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My friend had not owned this RV long so i don't think he had ever heard it before.
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11-04-2019, 04:38 AM
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#6
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Senior Member
Join Date: Jul 2018
Location: NC
Posts: 234
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fan clutch
FYI, the large fan nut has left handed threads.
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2004 Monaco Lapalma PDT W-22, 8.1
FSE Industrial Ceramic Kilns.
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11-04-2019, 07:41 PM
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#7
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Senior Member
Tiffin Owners Club
Join Date: Mar 2015
Location: Southern NM
Posts: 2,514
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Quote:
Originally Posted by akpd
FYI, the large fan nut has left handed threads.
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I must have a different model, but when I took my fan clutch off, it was the "normal" threads, righty tighty lefty loosey
If you watch Kevin's video, it will also show that as well, based on the wrench holding the fan pulley
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2005 Tiffin Allegro Bay 37DB
W22 Workhorse Chassis 8.1 Flat Towing a 82 Jeep CJ7
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11-05-2019, 06:27 AM
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#8
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Senior Member
Join Date: Jul 2018
Location: NC
Posts: 234
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Quote:
Originally Posted by CJ7365
I must have a different model, but when I took my fan clutch off, it was the "normal" threads, righty tighty lefty loosey
If you watch Kevin's video, it will also show that as well, based on the wrench holding the fan pulley
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You are absolutely correct, I was thinking back on something else I had been working on, maybe replacing my grandson's A/C condenser fan on his dodge PU. sorry
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2004 Monaco Lapalma PDT W-22, 8.1
FSE Industrial Ceramic Kilns.
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11-05-2019, 08:50 AM
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#9
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Senior Member
Join Date: Feb 2005
Location: Chesapeake, Va.
Posts: 282
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I am having overheating problems on my 8.1, I think!
Changed the radiator cap, the thermo stat, I drop and
change the coolant ever couple or 3 yrs. I have closed
off the side of the fan shroud, back flushed radiator.
I am thinking that the thermo spring in back of the fan
is NOT activation at the correct temp. As I monitor the
scan gauge.
And the fan turns hard when the engine is off, less than
a quarter turn.
Anyone have any thought on the subject?? coopcolt
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11-05-2019, 09:47 AM
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#10
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,103
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Quote:
Originally Posted by coopcolt
I am having overheating problems on my 8.1, I think!
Changed the radiator cap, the thermo stat, I drop and
change the coolant ever couple or 3 yrs. I have closed
off the side of the fan shroud, back flushed radiator.
I am thinking that the thermo spring in back of the fan
is NOT activation at the correct temp. As I monitor the
scan gauge.
And the fan turns hard when the engine is off, less than
a quarter turn.
Anyone have any thought on the subject?? coopcolt
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The fan shouldn't be that hard to turn.
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2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
Criticism is easier than Craftsmanship
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11-05-2019, 04:27 PM
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#11
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Senior Member
Join Date: Nov 2013
Posts: 5,771
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When you say back flush the radiator, do you mean internally? Have you tried clean the fins? I know a lot of guys with rear radiator DP’s do this on a regular basis.
__________________
2015 Tiffin Phaeton 40QBH
2018 Chevrolet Colorado Toad
Roadmaster Tow Setup
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11-05-2019, 05:20 PM
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#12
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Senior Member
Join Date: Feb 2005
Location: Chesapeake, Va.
Posts: 282
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vettenyts, no I did it externally, opened up the engine cowl and
with a strong concentration of hot water DAWN. Used a weed killer
pump up container to deliver the DAWN.
Then back flush with a water hose.
I also just last yr. installed a new electric fan, one of two.
Looking for something off the wall, as I have just recently heard
the engine fan kick in, seems very erratic on just when it kicks in.
It is not as loud as the engine fan in my old 454.
Now that the weather is cooler, and wont be going to FL. till Feb.
Just trying to think outside the Box...Also installed the 180 deg. stat.
which I realize does not do anything once it goes into overheat mode.
thanks.....coopcot
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11-05-2019, 06:39 PM
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#13
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Senior Member
Tiffin Owners Club
Join Date: Mar 2015
Location: Southern NM
Posts: 2,514
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Can you describe what you mean by the fan seems erratic.
If you can't hear the fan engaging then it need to be replaced
How high are your temps??
__________________
2005 Tiffin Allegro Bay 37DB
W22 Workhorse Chassis 8.1 Flat Towing a 82 Jeep CJ7
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11-05-2019, 07:48 PM
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#14
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Senior Member
Join Date: Nov 2013
Posts: 5,771
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Based on your description, sounds like the fan isn’t engaging like it should. Mine comes on and is loud when it does. It slows down when the engine temp comes down. I replaced mine in summer 2018 when I did the water pump.
__________________
2015 Tiffin Phaeton 40QBH
2018 Chevrolet Colorado Toad
Roadmaster Tow Setup
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