Go Back   iRV2 Forums > THE OWNER'S CORNER FORUMS > Alpine Coach Owner's Forum
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Thread Tools Search this Thread Display Modes
Old 09-16-2012, 03:21 PM   #1
Senior Member
Bob King's Avatar
Alpine Owners Club
Join Date: Feb 2006
Location: Ojai, California
Posts: 165
Coolant Compatibilty

Being new to diesel engines, maybe I'm just being to cautious. I have a 2004 36FDDS with a 2003 ISL 400 Cummins engine. The manual calls for TMC RS 329 or 330 coolant, either ethylene or propylene glycol. The coolant in the system is green, which I think is ethylene glycol. The coolant I bought today confirms to the TMC RP 229 spec., but is red in color. My question is, are they compatible? Another question, how often should the SCA be checked? The local parts house wouldn't sell me the test strips because he said they were way out of date and they couldn't back their reliability, so that means a 40 mile round trip to get some.
for being so long winded.

'04 Alpine 36 FDDS
Bob, Ojai, CA
K6OHI - Monitor 146.52
Bob King is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 09-16-2012, 03:26 PM   #2
Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,172
You could check SCA's every 6 months or so. IIWMI'd use the drain petcock, let it run a bit then test. You'll only lose maybe a pint of fluid doing this.

As long as the basic chemistry of the coolant is the same, color is just a marketing tool of the coolant mfgr.
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
EngineerMike is offline   Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

» Virginia Campgrounds

Reviews provided by

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 11:25 PM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.