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-   2nd Generation S-series (1995-2005) Tech (https://blazerforum.com/forum/2nd-generation-s-series-1995-2005-tech-41/)
-   -   oil pressure (https://blazerforum.com/forum/2nd-generation-s-series-1995-2005-tech-41/oil-pressure-94005/)

zukimoo 02-05-2017 11:06 PM

oil pressure
 
ok so I got a free blazer, alarm was tripped when I moved it to my shop. We took out the alarm and auto car starter and now it starts.

When I got this truck the oil filter had blown out seal and the guy did not want to deal with it. We took all the alarm out and it fired right up but the oil pressure guage was high.

This morning the mechanic was going to put it in the shop to check and see if the stock oil guage was working right and when he was moving it the pressure popped another oil filter seal so it does have way too much pressure.

What can cause a major increase of oil pressure? I got a spare motor but am curious if I can change the oil pump or it's something else?

we looked over the truck and it's in great shape.

zukimoo 02-10-2017 10:23 PM

no one got any info on this? having too much oil pressure?

07nhbpsi 02-11-2017 10:54 AM

Oil pump bypass valve isn't working.... cheap fix from what I understand

07nhbpsi 02-11-2017 11:21 AM


Originally Posted by 07nhbpsi (Post 673339)
Oil pump bypass valve isn't working.... cheap fix from what I understand

Btw, if u do some searching around here I'm pretty sure the blazer 'Guru' Captain Hook has talked about this in a thread somewhere......:icon_worthy:from what I remember it's an easy fix...

cdtek101 02-11-2017 01:57 PM


Originally Posted by 07nhbpsi (Post 673340)
Btw, if u do some searching around here I'm pretty sure the blazer 'Guru' Captain Hook has talked about this in a thread somewhere......:icon_worthy:from what I remember it's an easy fix...


Originally Posted by Captain Hook (Post 568336)
[I]
This might have something to do with it ;) The oil pressure releif valve is in the engine block. The oil filter adapter at the left rear of the engine must be removed to access it. The valve just pulls out and the new one gets staked in. GM dealer has them, (cheap) and you'll need a gasket set, (under $10).

https://blazerforum.com/forum/engine...ing-oil-77275/

https://blazerforum.com/forum/2nd-ge...s-valve-76044/

zukimoo 02-12-2017 11:22 PM

So that is what my mechanic has told me and he tells me it's a pain to pull the oil pan...any tricks before he digs in there?

cdtek101 02-13-2017 12:33 AM


Originally Posted by zukimoo (Post 673444)
So that is what my mechanic has told me and he tells me it's a pain to pull the oil pan...any tricks before he digs in there?

Between $600 to $900 quoted just to change my oil pan gasket..
Enough said.....Lol

Tajohns34 02-13-2017 09:40 AM

Why would you need to pull the pan?

zukimoo 02-14-2017 10:47 PM


Originally Posted by Tajohns34 (Post 673457)
Why would you need to pull the pan?

Can we fix this without taking off the pan?

Tajohns34 02-15-2017 07:24 AM

the oil bypass valve is under the oil filter cooler adapter, No need to remove the oil pan. I am sure that Captain Hook could clear it up be he doesn't get on here very much anymore.


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