A bad sensor perhaps?
Dustin
On Thu, Aug 28, 2008 at 9:10 AM, Bernd D. Ratsch <bernd@dodgetrucks.org> wrote:
>
> Air bubble in the cooling system or a bad radiator cap.
>
> - Bernd
>
> -----Original Message-----
> From: Phillip Batson [mailto:pbatson68@yahoo.com]
> Sent: Thursday, August 28, 2008 9:42 AM
> To: dakota-truck@dakota-truck.net
> Subject: DML: Temperature
>
>
> This is a weird one, and I'm not sure what is causing it. Here is the
> scenario:
> Start up until engine is at operating temp is about 3 minutes. After about 3
> minutes, the temp climbs past the norm, and proceeds to the max reading on
> the gauge. I'd say it takes about 15-30 seconds to get there.
> At this point, if I floor it or rev the engine in neutral, or turn off the
> engine and restart, the temp gauge goes up to the max reading for a second
> or two, and then drops back to the norm reading in about 3-5 seconds. Then
> it is rock solid and doesn't ever show any kind of overheat. I never hear
> any boiling sounds or see steam coming from the engine. The coolant bottle
> is full.
>
> This leads me to believe something is getting "stuck". I already changed the
> thermostat thinking it was sticking. But it hasn't fixed it. What else do I
> need to look at?
>
> Oh, and this isn't my truck, it is a '95 plymouth voyager. :) I was hoping
> you mechanical wizards might be able to point me in a direction to try and
> fix this.
>
> Thanks guys!
>
>
>
>
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