Hey Volks,

   Last weekend while in the Sierras' I think I was getting some type of oil
pressure loss as the oil light and buzzer where intermittently going off.
This occurred mainly going uphill, in the heat, and/or at higher altitudes.
(I live at sea level so everything is higher for me.)  As soon as the buzzer
sounded I would immediately pull off and turn my car off.  I would let it
sit for less than 3 minutes then turn it back on, and I seemed to regain oil
pressure since the light and buzzer would not sound when the car was turned
back on.  This occurred about 5 times on my way home all the while my temp
gauge rested in the middle.

I haven't had much free time during the work week the last few days and am
planning on going to Sequoia National Forest for the long weekend, so I
decided to take the van to my local v-dub guy to flush the radiator. and see
if he could diagnosis the oil buzzer problem.  While attempting to flush my
radiator my mechanic said my coolant system was not properly pressurized,
and he spotted a leak from the passenger side rear head to the hose that is
connected to the coolant manifold (chart at
http://www.vanagain.com/21lchc.htm  *)

Does this sound like a relative easy fix?  Do y'all think it could be the
O-ring that fits between the plate and the head?  Could it be worse?  Is it
necessary to remove the power steering components to do this job?   Anybody
know how long a job like this takes?  Would a leak in the coolant flow cause
my oil buzzer to ring?

So my order of operations to remedy the issue is:
1.coolant leak from rear head (hopefully just replace the O-ring)
2.remove rear heater core and remove or block the T connector
3.flush radiator
4.change oil filter and upgrade to 15-50w oil.

So I was wondering what advice people have for me.  Any and all is
appreciated.  Do you think I could replace that O-ring in less than five
hours?  Would this be a good learning experience or a major headache.  In
any event I will most likely have my mechanic do the flush and I will do the
oil change.  If you have made it this far in the email, many thanks.  By the
way I was quoted between $150-200 to do items 1-3 up above.

good wishes for a great 3 day weekend,
luke
88-westy-zOrBus

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