By the way where is the thermostat on the engine ??

On Wed, 20 Oct 1999 02:18:19 +0200, Per Lindgren wrote:

>Two replies suggested the cap could go bad, but my first thought was that the
>thermostat doesn't open enough or at all. With only the engine's volume, the
>hot, expanding water has to go somewhere, possibly the expansion tank. A stuck
>thermostat answers the overheating, too.
>
>PerL
>87 Syncro 112i
>
>Eric Small wrote:
>
>> Ya'll,   three weeks ago I performed my annual coolant maintenance on my '86
>> GL (180K miles).  I emptied the usual 7+ of the total 18+ quarts and
>> refilled with Autobahn coolant/water.  I have done this many times but this
>> time a problem.   Everything seemed fine for several days of city driving
>> but when I got out on the freeway ...at speed...  coolant began to get
>> pushed into the expansion bottle.  Once in the expansion bottle it does not
>> get pulled back in as would be normally expected with the expansion cycle.
>> If I go too far the expansion tank will overflow.  I have bled the system
>> twice and still the same problem.   Also of note, the van is running hotter
>> than usual.  I know... all indications are that there is still air present,
>> but I have never had this problem in the past.  Also,  I don't believe there
>> is any leakage into or pressure from the cylinders, etc. as all other
>> operations, fluids, and emissions are normal.
>>
>> Does this make sense?  Any thoughts?
>>
>> Eric Small
>> '86GL    180Kmiles

Patrick N. Malone
salonikis
I C Q # 27236263