[V8] Replacing the thermostat

[John Bysinger]

I should correct the temp, never got above 120, more like 115-118C.

On Sun, Feb 19, 2012 at 10:35 PM, John Bysinger <doog at bysinger.net> wrote:

> Tomorrow I'm picking up a new thermostat for our '90/3.6L V8Q.  Over the
> weekend she ran a little hot (125C on the dash guage, oil temp never
> wavered), and hasn't wanted to run back at the normal temps since.  Coolant
> was low, but I don't know if that was before it overheated or because it
> did overheat.  The pressure relief cap on the reserve tank under the hood
> was doing it's job and venting over pressure in the system.  This kind of
> symptom on other cars I've owned has always been a stuck thermostat.  But
> there's always great advice here, so I thought I would check in to see if
> there's anything I'm missing, or any advice on replacing the thermostat, I
> checked my email archives from here and it seems to match the symptoms.  It
> seems a fairly straight forward procedure, right on the passenger side
> front of the block.  Any tips are welcome.
>
> Conditions when it overheated were very low stress, I was driving to a
> tire shop on the spare so I was taking it very easy.  45MPH on a
> straight/flat, about 15 minutes down the road from a cold start at home.
>  Once I got it home, first thing I checked was the auxiliary fan, since
> I've had to replace it's fusible link before.  No issues, runs through it's
> cycles fine, including hurricane simulation speed, and does kick on when
> the temp climbs above normal.
>
> As always, Thanks!
>
> -John
> 1990 V8Q
> john at bysinger.net
>



-- 
john at bysinger.net