[Vwdiesel] 9k rebuilt '82 Diesel Westy coolant temp rising, but better at high revs?! Air bubbles but no gasket issues??

[Bryan Belman]

yes, that was sounding like air bubbles and low coolant, so you have or had both.  they should work themselves out.  just takes some miles.

at least you don't have to craw under there with no heat or no garage.
 

Bryan Belman, Pt. Pleasant, NJ
04 Jetta Wagon TDI PD, 100hp, 5sp -- running :<)
92 Jetta 1.6 Eco-Turbo Diesel, 5sp -- running :<)
82 Diesel Westy 1.9NA -- running :<)
70 Type 1 stock Elm Green Beetle -- Under Restoration :-)

From: Will Taygan <william at taygan.com>
To: "vwdiesel at vwfans.com" <vwdiesel at vwfans.com> 
Sent: Monday, November 28, 2011 4:00 PM
Subject: Re: [Vwdiesel] 9k rebuilt '82 Diesel Westy coolant temp rising, but better at high revs?! Air bubbles but no gasket issues??

Sorry, normal running is just above the 1/2 light, it bumps up to 3/4 on
the hills, or even while accelerating on the flats.  I haven't let it
get too high, though I know this past summer the fan would turn on when
the light goes off.  It's acting like an air bubble working its way
out??  I rev the engine, even on the hills and it comes back down to
just above the middle light.

This is normal function when it first warms up: goes to 3/4, then back
down to 1/2.

UPDATE:  I readjusted the leaky junction, and now the coolant cap is
working properly.  It was 3 qts low, though.  Still hoping I didn't blow
the gasket,  I have a low coolant sensor retrofitted and there was
always coolant in the pressure tank.

Will.

On Mon, 2011-11-28 at 13:33 -0700, Andrew .Libby wrote:
> If it's only getting 1/2 way to the red light in the middle of the
> gauge, then it's running too cold.  From the LED to the 3/4 mark is
> the normal coolant temp range.  What are you basing the overheating
> clam on?
> 
> Andrew
> 
> On Mon, Nov 28, 2011 at 11:51 AM, Will Taygan <william at taygan.com>
> wrote:
>        '82 Westy #2 has always had some bubbles in the coolant
>        reservoir.  9000
>        miles on rebuilt 1.6NA.
>        
>        **Now it's "overheating" UNLESS I drive at high rpms.**
>        
>        (Just getting 1/2 way to the red light, but I'm actively
>        trying to keep
>        it low.  Idling down long downhills also drop the temps?!)
> 


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