Complicated devise or simple mind?
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From: gulf coast
Complicated devise or simple mind?
I pulled my 30' travel trailer last weekend and had some temp problems on my 95 PSD CC DRW. When I was traveling the secondary roads, no problem but on the interstate running 65'70 mph, the temp would creep up to the top of the gauge. Not overheating but close. When I got home I took a look at the fan clutch and found that I could turn the engine off at normal operating temp and the fan would continue to spin for at least 30 seconds. I said to myself "Self, there is your problem". However, the next morning when the engine was cold, I started the engine, let it idle for a minute and shut it off as I watched the fan. It stopped right away. Little or no free-wheeling. Maybe it's just me but this seems bass-ackwards. I mean wouldn't you want the fan to lock up at HIGH temps and release at low LOW temps? Anbody know how these things work or are supposed to work? 
Logistics Pro
Joined: Jul 2002
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From: South Dakota
What kind of shape is your fan belt in?
If it's cracked, or you've been putting any type of dressing on, time to replace the belt and clean up those pulleys.
What kind of miles are on your rig??
If it's cracked, or you've been putting any type of dressing on, time to replace the belt and clean up those pulleys.
What kind of miles are on your rig??
Last edited by superrangerman2002; Apr 28, 2005 at 08:56 PM.
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From: Cabot, Arkansas
Originally Posted by fast freddie
I took a look at the fan clutch and found that I could turn the engine off at normal operating temp and the fan would continue to spin for at least 30 seconds. I said to myself "Self, there is your problem".
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From: STEPHENVILLE,TX!!!!!
you should be able to hear that fan clutch kick on going down the road to. the one on my truck roars when it kicks in.
i belive thoose ones have fluid in them and once the fluid gets hot enough it expands and locks it up. ive seen the innereds of some big rig ones and they look like a mini tourque converter.
i belive thoose ones have fluid in them and once the fluid gets hot enough it expands and locks it up. ive seen the innereds of some big rig ones and they look like a mini tourque converter.
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From: gulf coast
Thanks for the reply BBJ. I looked at a used clutch today and on the back of it there is a strip of metal that lays over the top of a little button. It appears that when the clutch is cold the metal strip lays flat and pushes the metal in. I assume that when it gets warm/hot the metal stip expands and since it is held hard in place on each end, it tends to bow outward and let the button pop out. I don't have a clue what the little button does....
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From: Bonney Lake, WA
Thanks for the reply BBJ. I looked at a used clutch today and on the back of it there is a strip of metal that lays over the top of a little button. It appears that when the clutch is cold the metal strip lays flat and pushes the metal in. I assume that when it gets warm/hot the metal stip expands and since it is held hard in place on each end, it tends to bow outward and let the button pop out. I don't have a clue what the little button does....
Sorry, I couldn't resist.
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From: gulf coast
Touche' Quad....lol. Makes sense Fixnair but I read someone else's post that was basically the same problem and a new fan clutch fixed it. Just a guessing game at this point.... Thanks for the replys.
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