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03-16-2021, 12:14 PM
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#1
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Junior Member
Join Date: Mar 2021
Posts: 0
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Valve adjustment
Greenhorn here,
Can I get info as to find out if valves have been adjusted on used motor coach engine
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03-16-2021, 01:44 PM
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#2
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,794
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Hi ! Welcome to IRV2! We're sure glad you joined us! 
Go to the "RV Forums" in the dark green menu bar near the top, then to "Powertrain Garage", and select the engine in your rig.
I would suggest that you create a signature showing the make and model of your RV. It will help folks to answer questions you may have in the future. Look at post #30 in the link below that tells you how to do that.
https://www.irv2.com/forums/f62/foru...ml#post3101035
Good luck, happy trails, and God bless!  
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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03-16-2021, 01:57 PM
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#3
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Moderator Emeritus
Ford Super Duty Owner
Join Date: Aug 2000
Location: Bryan, TX when not traveling.
Posts: 22,948
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Aa noted above, add a signature line to your profile with info about your RV. For now, you need to tell us what type, brand, model, etc you have for an RV.
Gasoline powered RVs don't have mechanical lifters and require valve lash setting. The diesel class A units usually do. If it is a used RV, you will need to go back to the original owner to get the maintenance info, unless they had the RV serviced at a national dealer/service chain.
Ken
__________________
Amateur Radio Operator (KE5DFR)|No Longer Full-Time! - 2023 Cougar 22MLS toted by 2022 F150, 3.5L EcoBoost Tow Max FX4 Lariat Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer
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03-16-2021, 02:29 PM
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#4
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Senior Member
Join Date: May 2010
Location: Part-time out of Mesquite, TX
Posts: 1,103
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The only way that I know of would be to ask the current owner.
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03-16-2021, 07:33 PM
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#5
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,982
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Cummins says to readjust the valves at 150,000 miles. Can't speak to gas engines.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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03-16-2021, 07:52 PM
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#6
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,751
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Quote:
Originally Posted by SKP Kirk
The only way that I know of would be to ask the current owner.
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This would be my guess as well.
Can't see the engine control module (ECM) having any way of logging if this manual adjustment was performed.
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Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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03-16-2021, 07:59 PM
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#7
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Senior Member
Join Date: Oct 2014
Posts: 7,882
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If a Caterpillar (don't know about Cummins) AND the valve adjustment was done by a Caterpillar dealer AND they logged it with Caterpillar Corp, a call to Caterpillar Corp with the engine serial number will give its whole history (as reported to them)
Caterpillar: 877-777-3126
__________________
Brett Wolfe
Ex: 2003 Alpine 38FDDS. Ex: 1997 Safari Sahara. Ex: 1993 Foretravel U240
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