[Vwdiesel] VW Diesel engine running too hot

82 Diesel Westy dieselwesty at yahoo.com
Fri Oct 6 11:41:43 EDT 2006


So, from reading some of this is sounds like I should
be looking at the bigger oil cooler for my 1.9na in
the Westy.  The one from an 1.9TD AAZ is bigger and I
have it.

My OIL temps are running 220F <-> 240F depending on
the load of the engine cruising or mountain climbing
Trying to maintain highway speeds.

Does anyone else have an oil temp guage on 1.6na or
1.9na motor.  My NEW VDO pickup is in the oil filter
flandge, BTW.

Thanks, Bryan

--- Rudy <petersenrudy at hotmail.com> wrote:

> Make sure all the cooling system components are
> working properly, install an
> 87 degree Celsius Thermostat and run it.  195 to 200
> degrees F is not too
> hot.
> 
> Rudy 
> 
> -----Original Message-----
> From: vwdiesel-bounces at vwfans.com
> [mailto:vwdiesel-bounces at vwfans.com] On
> Behalf Of Sherwin Goff
> Sent: Thursday, October 05, 2006 5:44 PM
> To: vwdiesel at vwfans.com
> Subject: [Vwdiesel] VW Diesel engine running too hot
> 
> Over-heating:
>   Here are the symptom:
>    
>   I have a very nice 83 Westy with the 1900 engine
> and a 5 speed; however,
> it runs with the needle straight up or even a little
> to the right of top
> center. This is too hot. I do not like for it to run
> this hot. (My 82 also
> did this same thing, and I experienced early engine
> failure because of it.) 
>    
>   Over and over again, I have checked this out at
> cooler times and in cooler
> climates. At those times the nettle always stays
> where it belongs--in the
> LITTLE BOX on the temperature gauge--to the left.
> This position is where the
> engine thermostat should normally keep the engine
> temperature. The
> temperature must be controlled by the
> thermostats--not by the radiator fan.
>    
>   I believe this is an engineering problem. I have
> had only one Diesel
> Rabbit that always ran inside the little box on the
> heater gauge. All of the
> rest of them have run much hotter than their
> thermostat. Overheating these
> engines is a number one cause for early engine
> failure. 
>    
>   Is there a radiator capacity problem here? Is the
> radiator too small, or
> does the radiator have fewer fins than it needs? The
> problem is not the
> engine nor the thermostat. It has to do with
> cooling.
>    
>   My experience with all VW diesels (and I have had
> many) has been that they
> are IMPROPERLY ENGINEERED to run as cool as they
> should--else why do they
> all run hotter than their thermostat would otherwise
> allow? 
>    
>   (Do ya'll understand what I'm trying to explain
> here?)
>    
>   So now here is my question: 
>    
>   What has been your experience for SOLVING this
> problem.
>    
>   Thanks to all of you,
>    
>   Sherwin
>    
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Bryan Belman, Pt Pleasant, NJ
04 Jetta Wagon TDI PD, 100hp, 5sp   -- running :)
82 Diesel Westy 1.9NA               -- running :)
92 Jetta Eco-Turbo Diesel           -- not running yet <:>
90 Audi 200, 2.2L Turbo FWD         -- runs some times, need to sell :(
70 Type 1 stock Beetle              -- Not running well :(


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