[Vwdiesel] coolant temperatures

Ralph Meyermann ralphmeyermann at gmail.com
Mon Aug 11 17:16:40 PDT 2014

Possibly back the smoke/fuel screw a touch? I had to, was getting hot on
heavy pedal runs.

Velma 82 1.9L AAZ TD Westy
On Aug 11, 2014 5:10 PM, <dieseltdi at verizon.net> wrote:

> OK, I need someone to calm my fears or confirm them.  I just took another
> long trip in the 82 Jetta with the RA turbocharged engine (82 hp, water and
> oil cooled turbo, intercooler).  The air temperature was above 100F
> (sometimes as high as 105F).  We were running the AC and cruising at about
> 70 mph when I noticed that the coolant temp and oil temp had crept up quite
> a bit.  Now I have the “gauge” on the dash which was really pushing close
> to the 3rd tick mark, and a water temp gauge measuring water temp at he
> outlet on the front of the head as it goes to the radiator and it at times
> seated firmly at 250F.   Oil temperature is taken on the top of the oil
> filter/cooler housing and would touch 260F when the coolant temp was high.
>  We found that turning off the AC would drop the temp considerably as would
> slowing down.  Well when I got to Odessa (330 miles or so of slow driving
> and stopping to let everything cool, we did an overnight flush of the
> radiator and then added the correct amount of 50/50 coolant plus some Ultra
> lube super coolant.  On the way home, we had the same issues so my son and
> I made the decision that it must be the 32 year old radiator was partially
> clogged.  Sooooo, this morning, I drained and filtered the coolant, removed
> the old radiator and replaced it with what the supplier called an “HD
> replacement”.  Seems awfully thing and flimsy to me but my son the mechanic
> tells me that the aluminum radiators expel heat much better.  I do want to
> say that the car never overheated to the point of the warning light
> flashing or any other problems.  I didn’t let it get that hot.  Anyway with
> the new radiator, I am seeing a bit of a cool down front he previous one
> but the temperatures just seem high to me.  The cluster gauge now sits just
> to the right of the warning light and the water temp gauge says about
> 230-240F but on a hard run will touch 250F.  Everything immediately cools
> down at slower speeds.  Oil temp stays about 240-250F but will touch 260F
> on a hard run.  Fan is working properly and I even have a pusher fan
> mounted to the right of the main fan to help with AC cooling of the
> condenser.  Water pump was replaced with a good version with the cast metal
> impeller when I put the engine in the car.  All belts are tight.  So…..are
> these temps too high or OK?  I do have the stuff to remove the factory oil
> cooler/warmer and replace it with a small separate cooler of its own but
> haven’t don that yet.  Hayden
> “There are many men of principle in both parties in America, but there is
> no party of principle.”
> “I do not know if the people of the United States would vote for superior
> men if they ran for office, but there can be no doubt that such men do not
> run."
> “I cannot help fearing that men may reach a point where they look on every
> new theory as a danger, every innovation as a toilsome trouble, every
> social advance as a first step toward revolution, and that they may
> absolutely refuse to move at all.”  Alexis de Tocqueville
> Proud owner of:
> 2014 Jeep Grand Cherokee Ecodiesel
> 1968 Beetle, Still in progress
> 1982 VW Jetta Coupe GTD "FrankenJetta"
> And many, many, many VWs; from a 1947 Beetle (13 Beetles total), to Vans
> (5 - 3 splitties  2 bay window (both were campers), 1 Vanagon Westy,
> Rabbits (3), Karmen Ghia (1), Jettas (11), Passats (2), Dasher (1), New
> Beetle (1), Rabbit Convertible (1) and Rabbit Pickups (3) most now gone but
> not forgotten.
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