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ZUKIWORLD Discussion Forum => Suzuki 4x4 Forum => Topic started by: bandit86 on June 21, 2006, 06:38:07 PM

Title: oil light comes on when engine hot and idling
Post by: bandit86 on June 21, 2006, 06:38:07 PM

anyone else?  I changed the oil several times, now at 20W50, still doing it.  what would cause it to loose oil pressure?  My first engine did this for a while before it died

Title: Re: oil light comes on when engine hot and idling
Post by: Jeremiah on June 21, 2006, 08:51:44 PM

Bad oil pump that isn't pumping enough oil.

Title: Re: oil light comes on when engine hot and idling
Post by: wildgoody on June 21, 2006, 10:59:44 PM

No, the blow off valve in the oil pump
gets stuck open, this is what killed my
turbo in Moab 2004

Replace the oil pump or fix the blow off
valve, but you have to pull the whole
pump assembly, so you might as well
replace it with a new one

You can test for the stuck valve with a mechanical
guage, it will look like the needle is viberating.

Wild

Title: Re: oil light comes on when engine hot and idling
Post by: Jeremiah on June 22, 2006, 01:39:59 AM

Note:
DO NOT DRIVE YOUR VEHICLE LIKE THIS. A motor that's starving for oil will burn up QUICK.

Title: Re: oil light comes on when engine hot and idling
Post by: karl214 on June 22, 2006, 07:14:46 AM

Quote from: bandit86 on June 21, 2006, 06:38:07 PM

anyone else?  I changed the oil several times, now at 20W50, still doing it.  what would cause it to loose oil pressure?  My first engine did this for a while before it died

The other thing it could be is main bearings are getting bad

Title: Re: oil light comes on when engine hot and idling
Post by: wildgoody on June 22, 2006, 07:46:09 AM

They will be if he doesn't change the pump!
You can hear bearings that bad, I would get
an oil pressure guage as a perminent addition
to the guages

Title: Re: oil light comes on when engine hot and idling
Post by: bandit86 on June 26, 2006, 05:19:12 PM

same thing killed my last engine, but this one only has 60k miles on it, and ran mint when I got her.  How much work is it to do this Wild?  Are parts readily availible?

Title: Re: oil light comes on when engine hot and idling
Post by: wildgoody on June 26, 2006, 08:25:24 PM

You will be happier if you pull the engine,
I had to drop the front axle, and driveline,
as well as the center link and the tie rods.

Pull the engine, remove the pan, get the front
pully off and pull the pump, replace the pump,
about $100 new, and glue the pan on after
you clean the block and pan sealing surfaces
off with grey silicone, forget the stupid cork
gasket, it will leak in 6 months.

In short, it's a PITA, but so is getting stuck
someware and rebuilding an engine.

Title: Re: oil light comes on when engine hot and idling
Post by: bandit86 on June 27, 2006, 04:04:46 PM

I thought I read somwwhere the oil pump can be removed without taking the engine apart, but you'd know best

Title: Re: oil light comes on when engine hot and idling
Post by: wildgoody on June 27, 2006, 10:17:43 PM

Yes, it can, and I've done it both ways,
I would pull the engine next time, reason
being it took me 3 tries to get the pump
sealed right so it didn't leak, it's worth
the extra effort to pull the engine, IMO