Mark & Larry 

The 1.9L engine with the cooling system in good shape once warmed up puts out plenty of heat at an idle. My 85 Westy currently has a coolant leak, the first indication of low coolant level I get is I loose heat to the front heater core at idle. I stop add some coolant and  instant heat at idle.

Joe B.
85 Westy 221,000 miles

----------
From:  Mark McCulley [SMTP:transporter99@hotmail.com]
Sent:  Friday, February 05, 1999 2:20 PM
To:  jbeckham@marco.iswnet.com; vanagon@GERRY.VANAGON.COM
Subject:  Re: water pump output

The cooling system may indeed need bleeding, however, it's not unusual 
to experience reduced front heat output under reduced engine loads. This 
is especially true when it's fairly cold outside (under 30F) and when 
the rear heater is operating. The difference in heat output between 
going up a mountain pass and going down the pass is quite pronounced.

-MM

>You've got air in your cooling system, time to bleed the system and add 
coolant.
>
>Joe B.
>85 Westy 221k miles
>
>----------
>From:  Martin [SMTP:nitram@TBCNET.COM]
>Sent:  Friday, February 05, 1999 11:56 AM
>To:  vanagon@GERRY.VANAGON.COM
>Subject:  Fw: water pump output
>
>>
>>Ref 85 Vanagon,
>>
>>>I notice with winter driving, a lack of heat when the van idles for a 
few
>>>minutes.  If I rev it up to 2000 rpm for a few seconds, the heat 
returns.
>>>I'm thinking that the water pump is not pumping enough to keep the
>>>circulation way up to the rad, hence the cold water in the rad is 
staying
>>>there at 1000 rpm.  Could/is this a sign of a weak water pump, or is 
this
>>>normal ?  I havent had the luxury of water heat before this van.
>>>
>>>Thanks,
>>>Larry
>>>
>>
>

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