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PT & WB (Twin Axle Pusher Unique Issues) If you have a unique issue with your PT or WB model coach and it can't be answered in one of the other forums here, then this is where you can list it....list your PT Parts here too.

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  #1  
Old 05-20-2019
Big Al Big Al is online now
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Default Oil Temperature to Cold ???????

I noticed yesterday on my way home my oil temperature was low. It has always been around the 210 mark. It started out at 210 then dropped down.
It was fluctuating between 160 and 200. I took the temp at the oil pan
with my IR gun and it was close to the temp gauge at the dash.

Do I have a oil temp sending unit going bad? If so where do I find that on
the engine and anybody have a part number?

I don't think this has anything to do with it, but I did forget to turn my
auxiliary air compressor on my way home.
Thanks for your help.
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Alan Fink & Sally Carlson-Fink
Waupun, Wisconsin
2000 LX ME "Angry Bird"
1989 WB 2017-2019 Sold
2018 Ford F150 4x4
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Old 05-20-2019
Orvie6574 Orvie6574 is offline
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Seems to me if you had the same temp with your gun as the gage, it's not a sender problem
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Orville Mason
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1978 31 FC
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Old 05-20-2019
Big Al Big Al is online now
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Quote:
Originally Posted by Orvie6574 View Post
Seems to me if you had the same temp with your gun as the gage, it's not a sender problem
Yes I think you could be right. I guess I didn't think that through all the way.

I have never seen the temps that low before so I was wondering if there is
something starting to go bad. All other engine temps were fine and I have
no error codes flashing.
Thanks
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Alan Fink & Sally Carlson-Fink
Waupun, Wisconsin
2000 LX ME "Angry Bird"
1989 WB 2017-2019 Sold
2018 Ford F150 4x4
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Old 05-20-2019
The Fuenti The Fuenti is offline
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I am very much a neophyte when it comes to mechanics and engines, That said, what comes to mind is that if the oil is not cooling down, there may be a problem with how the oil is circulating within the engine (i.e., oil pump..???). If other temps are okay, how is the compression or oil pressure? To the latter, my assumption is that lower temperatures may result in higher viscosity, thus affecting compression?

I recognize that this is more of an inquiry than an answer. Nonetheless, I'm looking forward to learning from those who know more about this issue...
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Jose & Rose
Grand Terrace, CA
1995 PT42 S60
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Old 05-21-2019
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atckip atckip is offline
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Al, I'm thinking that's how my 88 temps ran. Those temps seem correct...steady at 210 sounds like a stuck gauge. Aux compressor shouldn't cycle unless the pressure drops.
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Kip Henry
95 WB42 S-60
88 WB40 2010/14
Brooks, GA
Kip Cindy & Cody
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Old 05-21-2019
Big Al Big Al is online now
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Quote:
Originally Posted by atckip View Post
Al, I'm thinking that's how my 88 temps ran. Those temps seem correct...steady at 210 sounds like a stuck gauge. Aux compressor shouldn't cycle unless the pressure drops.
Kip,
Maybe you are correct. Maybe my gauge was stuck. I assume something was wrong because I have never seen that gauge move like that before. According to the book operating temp should be between 200-250 and do see 200.

I was told oil in the coolant can make it run cooler, and I have no oil in the coolant. Maybe I am making something out of nothing.
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Alan Fink & Sally Carlson-Fink
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2000 LX ME "Angry Bird"
1989 WB 2017-2019 Sold
2018 Ford F150 4x4
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Old 05-21-2019
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kunzelj kunzelj is offline
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Would an IR gun be the same as the gauge anyway? The sender for the gauge is likely injected into the oil somewhere else on the engine. An IR gun would be measuring the surface temperature of the oil pan. I would expect that to be much lower than the hot side of the oil cooler.
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Jeff Kunzelman
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1988 FC-35SB 300HP/ZF (2016-current)
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1982 FC-33SB 250HP (2007-2009)
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Old 05-21-2019
Big Al Big Al is online now
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Quote:
Originally Posted by kunzelj View Post
Would an IR gun be the same as the gauge anyway? The sender for the gauge is likely injected into the oil somewhere else on the engine. An IR gun would be measuring the surface temperature of the oil pan. I would expect that to .be much lower than the hot side of the oil cooler.
Jeff you have a good point. I took it for a run tonight and got the temperature
at the top of the oil filter. It was 208 and the oil temperature gauge was readying
about 180 and oil pan was 150. My gauge was always reading around 210. So
I know now my oil is not running cold. I think I have a bad oil temperature sender.
Anybody have a part number for a sender and where I can find it on the engine?

Thanks
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Alan Fink & Sally Carlson-Fink
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1989 WB 2017-2019 Sold
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