EA82 getting hot at high RPM

[John Newgard]

Hello All,

Though I've searched archived posts, I am not yet convinced that I need
to change my radiator, so here 'goes...

I have a '91 L-series with an EA82 motor. I run the car with
concentrated coolant and oil at the proper level (though in need of a
change). Air temp is around 70F. The rad appears to be in acceptable
shape, though a circular section the size of a cooling fan is slightly
damaged. There is one cooling fan, though a friend of mine suggested
that there may have been a second fan on the car at one point, and that
it may have actually caused this damaged section of the rad. Could
this be?

While driving in the city or at highway speeds (65mph in 5th gear), the
temp gauge sits at about 50% (in the middle of the 'normal' range
indicated by the gauge). If I drive at 60mph in 4th gear for a few
minutes (once the car is at running temperature), the gauge goes up to
60%. If I've been running for a while, stop at say a traffic light,
then accelerate reasonably 'hard' so as to bring the revs up to what
I'd guess would be 4500 rpm before changing gears, the temp gauge also
goes up to 60%. The other day I did some 4W-driving through deep sand
where I had the revs in the 3500-4000 rpm range for a few minutes, the
gauge got up to say 75%; after driving conservatively for a while the
temp was back to normal in less than 5 minutes.

Do I need a new rad? If so, the archived posts suggest I get an old
Subaru rad. Do I need to find one that was running on a similar '91
L-series, or any model that had an EA82, or are there other options
that would open the door to more prospects?

 

[TG]

Hook up a different gauge to rule that out, if your sure it's hot then I
would make sure the fan is turning when it is supposed to. I think a
secondary fan is supposed to be there with one running all the time and the
other when required...not positive but most Subs I have owned were like
this. Look in the paper for a used '91 and go take a look.
Carefully inspect the red for sections that were "pinched off" to stop a
leak. TG

 

[Ed Fortmiller]

Always the possibility of a clogged exhuast system.

--
Ed Fortmiller | (e-mail address removed) | Hudson MA
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