Overheating n drilling the thermostat

Bernie Benz b.m.benz at prodigy.net
Fri Jul 5 07:56:32 EDT 2002


The water pump is driven from the cog side of the belt.

> From: Phil Rose <pjrose at frontiernet.net>
> Date: Fri, 5 Jul 2002 09:43:21 -0400
> To: Chewy4000 at aol.com
> Cc: 200q20v at audifans.com
> Subject: Re: Overheating n drilling the thermostat
> At 8:57 AM -0400 7/5/02, Chewy4000 at aol.com wrote:
>> Two days ago the temp whent between the two dots, so I sshut down
>> the engine and looks around.
>> The 2yr old fuse ling melted big time, I had a spare, and actually found it.
>> My temp still stays, on these 100+deg days, right before the fist dot.
>> I have a new rad. new aux pump new hoses all new fluid, what else can it be.
> Considering that the fan's fuse melted, I'd consider a possible
> problem with your fan (electrical or mechanical). Has the fan been
> replaced recently? Is the fan blade able to rotate freely? I guess
> the fuse sometimes can fail from age-related factors, but your fuse
> seems too new for that.
>> My thermostat is maybe 3 yrs old, could that be the problem.
> Could cause overheating, but why the fuse meltdown? Does the fan
> always come on when the temp gauge reaches 12 o'clock (or slightly
> higher)? If not, your problem could be a defective thermal sensor in
> the radiator.
>> On normal days like today 80-90 the temp might be on 12 oclock or
>> not much more but on 90+deg days that thing goes up like crazy.
> I assume you're referring to the temp gauge reading while at idle,
> not normal driving temps???? Otherwise that temp range would seem too
> hot, in which case I'd suspect it's thermostat, thermal sensor, or
> water-pump related. Was the water pump replaced recently? If the
> water pump has seized, you might see an indication  of that by
> pulling away the T-belt cover and checking whether or not the T-belt
> has a very glazed appearance.
> Phil
> --
> Phil Rose
> Rochester, NY
> mailto:pjrose at frontiernet.net
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