|
04-16-2012, 08:32 AM
|
#1
|
2 Rivet Member
1988 34.5' Airstream 345
White Lake
, Michigan
Join Date: Mar 2006
Posts: 95
|
Low radiator fluid light
Recently, on a drive from N.C. to Michigan, I noticed that on several occasions my low radiator fluid light would come on correlated with a slight spike in temp. I would check my fluid levels and they were OK. I should also say that my rig, an '88 345, had not been on the road for over a year. My first thought is to check and possibly replace my thermostat. I have no idea where the low coolant sensor would be located, but before I get overly concerned has anyone had a similar event with their MH? The entire cooling system has been replaced within the past 5 years so I don't anticipate any other components are in question.
|
|
|
04-16-2012, 09:52 AM
|
#2
|
Rivet Master
Join Date: Sep 2004
Posts: 1,800
|
Check the overflow tank or where you pour in the coolant. Normally there is a senor mounted on the side of that tank and not in the radiator itself. You will find if you are going up/down a hill and the fluid level is right on the add line it will cause this to happen.
Enjoy,
__________________
Paul Waddell
|
|
|
04-16-2012, 10:25 AM
|
#3
|
Retired.
Currently Looking...
.
, At Large
Join Date: Jun 2003
Posts: 21,276
|
Many GM chassis have the low water sensor in the side of the radiator. If the radiator is low, and the coolant bottle is not, I would check for a
Eak in the system, such as water pump or heater core.
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
|
|
|
04-16-2012, 11:14 AM
|
#4
|
"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 20,000
|
If you do have the sensor in the OF bottle, it can get pretty cruddy in there,(sitting year), scrub inside with a bottle brush & rinse, concentrate on the sensor, or remove and clean if it's readily accessible.
Bob
__________________
I’m done with ‘adulting’…Let’s go find Bigfoot.
|
|
|
04-16-2012, 03:08 PM
|
#5
|
2 Rivet Member
1988 34.5' Airstream 345
White Lake
, Michigan
Join Date: Mar 2006
Posts: 95
|
Thanks for the advice, I'm trying to get it ready for a Montana trip in June. Alway better to be working in my garage rather than on the side of the road.
|
|
|
04-16-2012, 10:06 PM
|
#6
|
Rivet Master
1984 31' Airstream310
Honokaa
, Hawaii
Join Date: Jun 2010
Posts: 993
|
Same thing happened to us a couple of months ago after I removed, repaired, and replaced the overflow tank. It turned out that I had not tightened one of the nuts securing a wire terminal to a sensor enough. Tightened it, and all is now good.
|
|
|
04-18-2012, 07:23 PM
|
#7
|
Rivet Master
Currently Looking...
1995 36' Classic 36
Ludington
, Michigan
Join Date: May 2011
Posts: 1,662
|
The sensor should be near the top of the side of the radiator on one of the side tanks. If you do not have any leaks, check the hose from the radiator to the expansion recovery tank. If its brittle or cracked it will not suck the expanded coolant back into the radiator. A dried out/cracked gasket on the radiator cap can cause the same problem. It will suck air in instead of the coolant. There are two gaskets in the cap. One seals the system and one is a check valve to allow the expanded collant back into the radiator. New radiator cap and a new hunk of 1/4" hose. All cheap and easy fixes.
|
|
|
04-20-2012, 06:19 AM
|
#8
|
2 Rivet Member
1988 34.5' Airstream 345
White Lake
, Michigan
Join Date: Mar 2006
Posts: 95
|
Great advise! I will get after it once the weather warms up. Thanks to all.
|
|
|
|
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
|
|
Thread Tools |
Search this Thread |
|
|
Display Modes |
Linear Mode
|
Posting Rules
|
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
HTML code is Off
|
|
|
|
Recent Discussions |
|
|
|
|
|
|
|
|
|
|
|