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Radiator cleaning - Printable Version

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Radiator cleaning - Mike McMahan - 06-29-2008 07:09

As I said a week or sso ago I cleaned the radiators on my 96. I
decided because they were so dirty to have them steamcleaned also. I
was amazed at how much more grime came out during the steam cleaning.
The results are in Driving 70 pulling my 12000 LB(loaded) race car
trailer the water temp was 185, the oil temp 220, and the trans temp
was 215. I still think the trans temp is a little high but the boos
says it is ok. Before the water temp would get up to 205 the oil temp
230, and I dont remember the trans temp but it was higher. Just wanted
to let everyone know the results of a very simple PM. Mike Mcmahan 96
42' Wanderlodge

Radiator cleaning - Pete Masterson - 06-29-2008 07:28

Indeed, your experience is similar to mine... 
On my maiden trip (from Dallas via Denver to the SF Bay Area) I saw temps as you mention -- including a bout of overheating (dash light came on) in eastern Nevada (many long grades). It was harrowing getting the coach home...
I actually changed the core on my radiator (having had it removed for $$$$$ by a radiator shop, it seemed better economics to pay a little more for a new (more efficiently designed core) than clean up and reinstall the old one). This was done shortly after I got the coach.
I now see normal water temp of 180-190, oil temp between 200-210 (higher on grades), and the transmission temp is usually under 200 (indeed, I can't recall seeing it over 200). (I tow a 3500# auto.)
So, I'd guess that there's some issue with your trans -- either the bottom of the radiator is still partially clogged (where the trans fluid is cooled) or the sensor/gauge may be incorrect. Did you attach a computer to the system to read the data? I found that my oil temp gauge is about right but my oil pressure gauge reads about 7-8 psi low (a relief to me)...
When I was down at CCW in Riverside, I had them steam clean the engine and the rear third of the underside of the coach -- and run the steam cleaner through the radiator -- and it was interesting to see the amount of crud appear. Radiator cleaning is probably a wise preventive maintenance to be done at least annually.
Pete Masterson
'95 Blue Bird Wanderlodge WBDA 42
El Sobrante CA
"aeonix1@mac.com"
On Jun 29, 2008, at 12:09 PM, Mike McMahan wrote:

As I said a week or sso ago I cleaned the radiators on my 96.  I 
decided because they were so dirty to have them steamcleaned also.  I 
was amazed at how much more grime came out during the steam cleaning.  
The results are in Driving 70 pulling my 12000 LB(loaded) race car 
trailer the water temp was 185, the oil temp 220, and the trans temp 
was 215.  I still think the trans temp is a little high but the boos 
says it is ok.  Before the water temp would get up to 205 the oil temp 
230, and I dont remember the trans temp but it was higher.  Just wanted 
to let everyone know the results of a very simple PM.  Mike Mcmahan 96 
42' Wanderlodge
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Radiator cleaning - Mike McMahan - 06-29-2008 12:14

Pete I was just reading off of the gauges. They could be wrong. MIke
Mcmahan 96 42' Wanderlodge

--- In WanderlodgeForum@yahoogroups.com, "Mike McMahan" <mmcmahan@...>
wrote:
>
> As I said a week or sso ago I cleaned the radiators on my 96. I
> decided because they were so dirty to have them steamcleaned also. I
> was amazed at how much more grime came out during the steam
cleaning.
> The results are in Driving 70 pulling my 12000 LB(loaded) race car
> trailer the water temp was 185, the oil temp 220, and the trans temp
> was 215. I still think the trans temp is a little high but the boos
> says it is ok. Before the water temp would get up to 205 the oil
temp
> 230, and I dont remember the trans temp but it was higher. Just
wanted
> to let everyone know the results of a very simple PM. Mike Mcmahan
96
> 42' Wanderlodge
>