97 jetta td over heats only at higher speeds (over 100km/hr)

#1

I have changed the rad, thermostat and the fan. But it won't ever overheat
when driving trew town?

#2

water pump impeller slipping?

"jetta107" <corygauthier (AT) sympatico (DOT) ca> wrote

Quote:

I have changed the rad, thermostat and the fan. But it won't ever overheat
when driving trew town?

#3

On Apr 22, 12:20 am, "dave AKA vwdoc1" <vwd... (AT) hotmail (DOT) com> wrote:

Quote:

water pump impeller slipping?

That, or an old hose on the suction side collapsing under negative
pressure. More common than you might think. Some hoses back in the day
even had coiled springs inside to keep them from collapsing.

Peter Wieck
Wyncote, PA

#4

On Sun, 22 Apr 2007 00:05:23 -0400, "jetta107" <corygauthier (AT) sympatico (DOT) ca> wrote:

Quote:

I have changed the rad, thermostat and the fan. But it won't ever overheat
when driving trew town?

When driving on the highway and the temp. is high or hot :

Try running the heater with the controls on the hottest / high
setting as a test. Let us know the results.

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97 jetta td over heats only at higher speeds (over 100km/hr)

Volkswagen Golf, Jetta, Corrado, Vanagon, new models, etc. (rec.autos.makers.vw.watercooled)

97 jetta td over heats only at higher speeds (over 100km/hr) - 04-21-2007 , 11:05 PM

Re: 97 jetta td over heats only at higher speeds (over 100km/hr) - 04-21-2007 , 11:20 PM

Re: 97 jetta td over heats only at higher speeds (over 100km/hr) - 04-23-2007 , 06:16 AM

Re: 97 jetta td over heats only at higher speeds (over 100km/hr) - 04-23-2007 , 07:16 AM