[tcb] Re: Oil Pressure dropping to Zero after 15 mnutes warm up when I stop?

  • From: <evilscientistboo@xxxxxxxxxxxxx>
  • To: tcb@xxxxxxxxxxxxx
  • Date: Wed, 28 Jun 2006 17:29:00 -0500

how many miles on the oil and have you cleaned the strainer?  I'd also check 
the oil pump gears for damage.  

-----Original Message-----

From:  Dan Martin <danandkatrinamartin@xxxxxxx>
Subj:  [tcb] Oil Pressure dropping to Zero after 15 mnutes warm up when I stop?
Date:  Wed Jun 28, 2006 4:21 pm
Size:  1K
To:  tcb@xxxxxxxxxxxxx

 From Trey, He used the wrong e mail address ; )

-1600 DP Stock Engine ...16,000 miles on building it.

-VDO Oil Pressure gauge and sensor.....

When I start the engine , oil pressure is fine but after running for  
15 or so
minutes when oil temps get up to 200-205 ( oil pressure ok at  40-45  
psi )
but when I come up to a light or stop sign the oil pressure drops to  
0. Oil
light comes on and stays on until the rpm's raise above idle (900  
rpm) when I
drive off. ????

Then I go on my way and everything seems fine until I stop and the  
oil lights
comes on again.

When I first get in the bus the engine is warming up (120 to 180  
degess) the
first 15 minutes or so  when I come to a stop sign at idle the oil  
pressure is
10-20 psi.... seems fine. Frustrating,,,,,,

I replaced the oil pressure relieve and pressure springs and the  
plugs which
increased my oil pressure but after 15 minutes (Oil temps 200-210) the
pressure drops to 0.

Any ideas?

Running Castrol HD 40 wt. It's hot here in Houston but never had the oil
pressure ever drop to 0 before like this. Engine was built 2 years  
ago. No
visible oil leaks anywhere.



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