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Workhorse transmission whine
11-21-2010, 06:05 PM
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#1
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Senior Member
Join Date: Sep 2007
Location: Ann Arbor Michigan
Posts: 541
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I am in the process of trading in my Winnebago with a Ford engine for a Itasca with a Workhorse chassis. I test drove the Itasca and the transmission has a whine to it. Is this normal? The ford engine was noiser but the transmission was quiet...it just shifted a lot when going up inclines.
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2005 Suncruiser Chocolate lab (The "Buds") 2007 Jeep Wrangler
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11-21-2010, 07:10 PM
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#2
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Senior Member
Vintage RV Owners Club Gulf Streamers Club
Join Date: Oct 2010
Location: Indiana
Posts: 2,935
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What kind of whine? Like a turbine winding up, shift gears, wind up again?
Or one that just gets louder the faster you go?
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11-22-2010, 04:27 AM
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#3
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Senior Member
Winnebago Owners Club
Join Date: Feb 2007
Location: Jacksonville, FL
Posts: 220
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The whine you hear might be the power steering pump. Mostly noticeable at slow speeds.
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Ron, Joan & beautiful dog Callie
2005 Itasca Sunova 34A
1993 Jeep Wrangler YJ toad
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11-22-2010, 05:00 AM
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#4
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Senior Member
Join Date: Sep 2007
Location: Ann Arbor Michigan
Posts: 541
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Quote:
Originally Posted by RVJeeper
The whine you hear might be the power steering pump. Mostly noticeable at slow speeds.
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RVJeeper,
You are right that it is only noticeable at slow speeds. If the whine is coming from the the power steering pump is that an indication that it may need to be replaced soon? 
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2005 Suncruiser Chocolate lab (The "Buds") 2007 Jeep Wrangler
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11-22-2010, 09:35 AM
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#5
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Senior Member
Workhorse Chassis Owner
Join Date: Jul 2005
Location: Ventura, Ca.
Posts: 297
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I would think you would be wise to have the entire unit evaluated by an rv technician. If they identify a problem, you can determine if it a deal buster.
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2006 Southwind 32 VS W-20, 2010 CRV EX-L, UP & Taylor Wires, IPD Anti-Sway Bars, Safe-T-Plus, Koni FSD's, Demco Tow Bar, Moto Sat, and Rocky the Chocolate Lab
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11-22-2010, 09:45 AM
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#6
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iRV2 Marketing
Winnebago Owners Club Workhorse Chassis Owner Coastal Campers Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 20,567
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Quote:
Originally Posted by codgerbill
You are right that it is only noticeable at slow speeds. If the whine is coming from the the power steering pump is that an indication that it may need to be replaced soon?
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Some pumps are a little noisy which they will say is normal. If you can take it to a Workhorse Service Center for an eval they will tell you if that's the case or if the pump is defective.
Does the noise change if you step on the brake or turn the wheel from lock to lock?
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03 Adventurer 38G, Workhorse W22
F&R Track Bars, Safety+ , Ultrapower, Allison UP Grade Brake, S&B CAI, Taylor Extremes, SGII-X Gauge
TST 507, Blue Ox, SMI, Koni FSD, CrossFire
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11-22-2010, 04:05 PM
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#7
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Senior Member
Winnebago Owners Club
Join Date: Feb 2007
Location: Jacksonville, FL
Posts: 220
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Quote:
Originally Posted by codgerbill
RVJeeper,
You are right that it is only noticeable at slow speeds. If the whine is coming from the the power steering pump is that an indication that it may need to be replaced soon? |
I heard the whine from the power steering right away when we test drove the RV (over 3 years ago). The Workhorse Service Center said it was normal so I stopped worrying about it. As DriVer said, you should be able to verify that it's the PS pump by turning the steering wheel and hearing a change in pitch.
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Ron, Joan & beautiful dog Callie
2005 Itasca Sunova 34A
1993 Jeep Wrangler YJ toad
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11-22-2010, 05:02 PM
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#8
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Senior Member
Join Date: Sep 2007
Location: Ann Arbor Michigan
Posts: 541
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I talked to the sales guy today and a the coach is being taken to a workhorse facility to have the break recall done. I asked the sales guy about the whining and although he did say it was a normality of the workhorse he would ask the workhorse people to check it out. I did talk to the original owner and he said that the transmission had been serviced late last year.
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2005 Suncruiser Chocolate lab (The "Buds") 2007 Jeep Wrangler
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11-23-2010, 06:03 AM
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#9
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2007
Location: st.charles mo.
Posts: 564
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Allison transmisions have straight cut gear that are stronger than the hylical cut gears but make more noise.
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11-23-2010, 10:22 AM
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#10
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Senior Member
Vintage RV Owners Club Gulf Streamers Club
Join Date: Oct 2010
Location: Indiana
Posts: 2,935
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Quote:
Originally Posted by speed racer
Allison transmisions have straight cut gear that are stronger than the hylical cut gears but make more noise.
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Kinda why I was asking... Seems its the power steering though..??
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11-24-2010, 01:23 AM
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#11
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Sep 2007
Location: KAPOLEI, HAWAII AND VANCOUVER, WASHINGTON
Posts: 1,846
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Quote:
Originally Posted by Midniteoyl
Kinda why I was asking... Seems its the power steering though..??
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i replaced my power steering fluid with amsoil synthetic universal power steering fluid. it quieted my power steering pump considerable.
i also changed my transmission fluid to amsoil torque shift synthetic fluid, with the same results. 
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01 WINNEBAGO 35U W20.8.1L SW Wa, Hi. Good Sam, SKP. AMSOIL fluids. BANKS ecm program. SCAN GAUGE II w/ Ally temp. 2 LIFELINE GPL-6CT AGM Batts on their sides. TST tptts. K&N panel air filter. AERO mufflers. TAYLOR plug wires. ULTRA POWER track bar. KONI fsd shocks
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11-24-2010, 09:04 AM
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#12
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Senior Member
Ford Super Duty Owner Fleetwood Owners Club
Join Date: May 2005
Location: Fernley,NV
Posts: 335
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Quote:
Originally Posted by DAN L
i replaced my power steering fluid with amsoil synthetic universal power steering fluid. it quieted my power steering pump considerable.
i also changed my transmission fluid to amsoil torque shift synthetic fluid, with the same results. |
Simple question. Is Amsoil torque shift synthetic fluid approved by Allison for use in Allison transmissions?
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David F
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11-24-2010, 09:14 AM
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#13
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Senior Member
Workhorse Chassis Owner Winnebago Owners Club
Join Date: Oct 2010
Location: 8,600 feet elevation
Posts: 121
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Quote:
Originally Posted by Topflite51
Simple question. Is Amsoil torque shift synthetic fluid approved by Allison for use in Allison transmissions?
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His unit is a 2001 model.....who cares if it's approved.  I'm sure the fluid is just as good as the TES-295 stuff that Allison "approved".
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2006 Winnebago Voyage 35A, Dual freeflowing SS Magnaflow Mufflers, Koni shocks, No after market stabilizer bars, No ECM tune, Extra 13.5 Roof Air Conditioner installed to supplement inadequate basement air.
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11-24-2010, 09:30 AM
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#14
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iRV2 Marketing
Winnebago Owners Club Workhorse Chassis Owner Coastal Campers Carolina Campers
Join Date: Jan 2000
Location: Conway, SC
Posts: 20,567
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Quote:
Originally Posted by MntDriver
His unit is a 2001 model.....who cares if it's approved. I'm sure the fluid is just as good as the TES-295 stuff that Allison "approved". |
Allison won't approve anything that they are physically not involved with. Amsoil's line of fluids, lubricants and oils are excellent for all applications and exceed manufacturer requirements.
__________________
03 Adventurer 38G, Workhorse W22
F&R Track Bars, Safety+ , Ultrapower, Allison UP Grade Brake, S&B CAI, Taylor Extremes, SGII-X Gauge
TST 507, Blue Ox, SMI, Koni FSD, CrossFire
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