1983 Toyota Celica GT-S - Message Forum (Re: Temp Gauge freaking out)

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Re: Temp Gauge freaking out

Posted By:	Will Berninger
Posted On:	June 10, 2004 at 5:15 pm GMST

hachiroku wrote:

> I have the same problem on an
> '85. I suspect that years of d
> ust have accumulated in the gu
> age and it needs a cleaning.
>
> Funny how it's just the temp g
> uage, though. My second guess
> would be the sending unit. Eas
> ier to fix but more expensive,
> I'm sure.
>
>
> jkendall83 wrote:
>
> > When I turn on the engine, t
> he
> > guage immediately jumps to t
> h
> > e mid range ,after not long
> (3
> > 0 sec to 1 min) it jumps all
> t
> > he way to hot (top of the sc
> al
> > e) it then periodically goes
> t
> > o middle and then back again
> .
> > It also jumps up and down ab
> o
> > ut an 1/8 if an inch....what
> g
> > ives??
My 85 convertible does something similar. It starts out normally and sometimes after about 10 minutes of driving it goes from "normal" to full hot in approximatley 20 seconds. Then it pops back to normal all at one time like in 1-2 seconds. The person I purchased the car from chased this problem by replacing the radiator, sender unit,thermostat, and I think the water pump. Tracked it to the gage or ecu. I have not chased it myslef yet but it is definately an indication problem.
Will Berninger

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Re: Temp Gauge freaking out - HachiRoku 06/11/04 (0)

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Message:	Will Berninger wrote: > > > hachiroku wrote: > > > I have the same problem on a > n > > '85. I suspect that years of > d > > ust have accumulated in the > gu > > age and it needs a cleaning. > > > > Funny how it's just the temp > g > > uage, though. My second gues > s > > would be the sending unit. E > as > > ier to fix but more expensiv > e, > > I'm sure. > > > > > > jkendall83 wrote: > > > > > When I turn on the engine, > t > > he > > > guage immediately jumps to > t > > h > > > e mid range ,after not lon > g > > (3 > > > 0 sec to 1 min) it jumps a > ll > > t > > > he way to hot (top of the > sc > > al > > > e) it then periodically go > es > > t > > > o middle and then back aga > in > > . > > > It also jumps up and down > ab > > o > > > ut an 1/8 if an inch....wh > at > > g > > > ives?? > My 85 convertible does somethi > ng similar. It starts out nor > mally and sometimes after abou > t 10 minutes of driving it goe > s from "normal" to full hot in > approximatley 20 seconds. Th > en it pops back to normal all > at one time like in 1-2 second > s. The person I purchased the > car from chased this problem > by replacing the radiator, sen > der unit,thermostat, and I thi > nk the water pump. Tracked it > to the gage or ecu. I have n > ot chased it myslef yet but it > is definately an indication p > roblem. > Will Berninger
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