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05-30-2017, 08:20 AM
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#1
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Senior Member
Join Date: Feb 2017
Location: Upstate SC
Posts: 128
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2003 Holiday Rambler Imperial
Does anyone here own an Imperial with exhaust brake and engine brake?
I have exhaust brake switch and a hi/lo switch on my coach. The exhaust brake works but cant seem to get the engine brake to function. I can't find a on/off switch for the engine brake, just hi/lo switch.
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Eddie & Karen
2003 Holiday Rambler Imperial 41' PKDD - 2021 GMC Sierra AT4 Toad - RVI 3 Brake Control - Tire Minder TPMS
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05-30-2017, 12:29 PM
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#2
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Senior Member
Join Date: Mar 2012
Location: Madison, MS
Posts: 217
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Are you sure of both? It's likely you have an engine brake with a hi/low switch.
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David White '05 Monaco Windsor
'16 GMC Canyon 4x4
Madison, MS. Retired
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05-30-2017, 01:25 PM
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#3
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Senior Member
Holiday Rambler Owners Club
Join Date: Apr 2016
Posts: 596
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Eddie, if you have a high/low switch and an On/Off you have a compression brake. To be sure snap a photo of the engine from behind and post it on this thread.
What is happening that makes you think something is wrong?
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2002 Holiday Rambler Imperial 40PKD
with Residential refrigerator conversion
2014 Jeep Wrangler in tow, M&G brake system
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05-30-2017, 02:16 PM
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#4
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Senior Member
Join Date: Feb 2017
Location: Upstate SC
Posts: 128
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This coach has both. It has an exhaust brake, I use it regularly. I also have a hi/lo switch but cannot find an on and off switch for it. I have flipped the switch from hi to lo and has no effect when stopping. I have pulled the cover to make sure it had wires to the switch and it does. Just wondering what the problem with the engine brake may be.
I have been told it is unusual to have both. Here is the brochure for the coach and it says it comes with an engine brake.
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Eddie & Karen
2003 Holiday Rambler Imperial 41' PKDD - 2021 GMC Sierra AT4 Toad - RVI 3 Brake Control - Tire Minder TPMS
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05-30-2017, 02:21 PM
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#5
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Senior Member
Join Date: Feb 2017
Location: Upstate SC
Posts: 128
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Tried to insert brochure but don't how to do that.
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Eddie & Karen
2003 Holiday Rambler Imperial 41' PKDD - 2021 GMC Sierra AT4 Toad - RVI 3 Brake Control - Tire Minder TPMS
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05-30-2017, 02:24 PM
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#6
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Senior Member
Holiday Rambler Owners Club
Join Date: Apr 2016
Posts: 596
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Eddie, as far as I know the Exhaust brake is standard and the Compression brake is an option, but you cant have both. That is how our 02 Imperial is.
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2002 Holiday Rambler Imperial 40PKD
with Residential refrigerator conversion
2014 Jeep Wrangler in tow, M&G brake system
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05-30-2017, 02:26 PM
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#7
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Senior Member
Join Date: Feb 2017
Location: Upstate SC
Posts: 128
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Do you also have the hi/lo switch?
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Eddie & Karen
2003 Holiday Rambler Imperial 41' PKDD - 2021 GMC Sierra AT4 Toad - RVI 3 Brake Control - Tire Minder TPMS
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05-30-2017, 03:52 PM
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#8
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Senior Member
Join Date: Aug 2011
Posts: 236
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I have the same coach as you. Hi/low switch and beside it an " exhaust brake" switch .......that turns on the brake. Then hi or lo depending on desired deceleration wanted
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2003 HR Imperial PKDD 40
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05-30-2017, 04:19 PM
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#9
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Senior Member
Join Date: Feb 2017
Location: Upstate SC
Posts: 128
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Thanks BG! I never tried switching the hi/lo with exhaust switch turned on. I will give this a try.
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Eddie & Karen
2003 Holiday Rambler Imperial 41' PKDD - 2021 GMC Sierra AT4 Toad - RVI 3 Brake Control - Tire Minder TPMS
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05-31-2017, 02:00 PM
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#10
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Senior Member
Holiday Rambler Owners Club
Join Date: Apr 2016
Posts: 596
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same here. On/off puts it on standby, High/low depending on how many cylinders you want working to slow you down. High is 6 low is 3.
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2002 Holiday Rambler Imperial 40PKD
with Residential refrigerator conversion
2014 Jeep Wrangler in tow, M&G brake system
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05-31-2017, 02:23 PM
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#11
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Senior Member
Join Date: Feb 2017
Location: Upstate SC
Posts: 128
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Thanks you guys, I guess both exhaust and hi/lo switch confused me on what I had. Works well but just need to try the hi/lo when I have the exhaust switch is turned on.
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Eddie & Karen
2003 Holiday Rambler Imperial 41' PKDD - 2021 GMC Sierra AT4 Toad - RVI 3 Brake Control - Tire Minder TPMS
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06-01-2017, 10:18 AM
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#12
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Senior Member
Holiday Rambler Owners Club
Join Date: Apr 2016
Posts: 596
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Quote:
Originally Posted by miniedmo
Thanks you guys, I guess both exhaust and hi/lo switch confused me on what I had. Works well but just need to try the hi/lo when I have the exhaust switch is turned on.
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Let me know if you notice much of a difference. Mine and another coach I rode in there was very little if any noticeable difference.
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2002 Holiday Rambler Imperial 40PKD
with Residential refrigerator conversion
2014 Jeep Wrangler in tow, M&G brake system
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06-01-2017, 11:08 AM
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#13
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Senior Member
Join Date: Feb 2017
Location: Upstate SC
Posts: 128
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Should be on the road this weekend and will let you know what difference I see.
__________________
Eddie & Karen
2003 Holiday Rambler Imperial 41' PKDD - 2021 GMC Sierra AT4 Toad - RVI 3 Brake Control - Tire Minder TPMS
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06-01-2017, 11:56 AM
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#14
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Senior Member
Holiday Rambler Owners Club
Join Date: Apr 2016
Posts: 596
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Quote:
Originally Posted by miniedmo
Should be on the road this weekend and will let you know what difference I see.
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great, thank you
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2002 Holiday Rambler Imperial 40PKD
with Residential refrigerator conversion
2014 Jeep Wrangler in tow, M&G brake system
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