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Part change: Oil Pressure Switch

Posted on 4/18/24 at 9:10 am
Posted by Blutarsky
112th Congress
Member since Jan 2004
9572 posts
Posted on 4/18/24 at 9:10 am


Behind the top of the engine between it and the firewall.

The white tab has to be pulled up, which it is, but you then have to press a plastic piece to release the connecting plug.

Of course, it’s between the switch and the engine and it’s nearly impossible to get something back there to press the plastic piece to release it.

Any suggestions?
Posted by chinhoyang
Member since Jun 2011
23363 posts
Posted on 4/18/24 at 9:10 am to
Make and model of car would help.
Posted by chinhoyang
Member since Jun 2011
23363 posts
Posted on 4/18/24 at 9:11 am to
Most repairs can be found on youtube.
Posted by Cotten
Tennessee
Member since Jan 2018
1255 posts
Posted on 4/18/24 at 9:11 am to
What vehicle year/make/model?
Posted by Blutarsky
112th Congress
Member since Jan 2004
9572 posts
Posted on 4/18/24 at 9:11 am to
2011 Tahoe
Posted by FournetteForEver7
Member since Nov 2015
2295 posts
Posted on 4/18/24 at 9:11 am to
Youtube
Posted by Blutarsky
112th Congress
Member since Jan 2004
9572 posts
Posted on 4/18/24 at 9:12 am to
quote:

Most repairs can be found on youtube.


True, but they don’t detail an issue like this.
Posted by SRV
Banging in The Rock
Member since Nov 2021
1188 posts
Posted on 4/18/24 at 9:12 am to

Push in the release with a long flat head screwdriver, while you pull up on the connector with the other hand. It’s awkward, but doable. Done it many times.

Posted by Cotten
Tennessee
Member since Jan 2018
1255 posts
Posted on 4/18/24 at 9:13 am to
quote:

2011 Tahoe

Unscrew the sensor, then you'll be able to unclip the plug easily
Posted by Blutarsky
112th Congress
Member since Jan 2004
9572 posts
Posted on 4/18/24 at 9:14 am to
quote:

Push in the release with a long flat head screwdriver, while you pull up on the connector with the other hand. It’s awkward, but doable. Done it many times.


The issue is you have to contort your hand to get to the switch itself and I cannot think of something I can hold to get back there to do the last step.
Posted by Blutarsky
112th Congress
Member since Jan 2004
9572 posts
Posted on 4/18/24 at 9:15 am to
quote:

Unscrew the sensor, then you'll be able to unclip the plug easily


Also impossible to do in the location.

Posted by alajones
Huntsvegas
Member since Oct 2005
34464 posts
Posted on 4/18/24 at 9:16 am to
I’ve done it twice on my Silverado. It’s a pain in the arse.

Try squeezing it together while pushing down. You should hear a little click sound when squeezing it. It’ll release then.
Posted by Blutarsky
112th Congress
Member since Jan 2004
9572 posts
Posted on 4/18/24 at 9:34 am to
I accidentally pried off the white tab which gave me easy access to depress the 2nd release and remove the plug.

Chevy and their BS locations to make things infinitely more difficult.
Posted by MikeAV8s
Member since Oct 2016
1736 posts
Posted on 4/18/24 at 9:35 am to
quote:

Unscrew the sensor, then you'll be able to unclip the plug easily


This is the correct answer
Posted by billjamin
Houston
Member since Jun 2019
12470 posts
Posted on 4/18/24 at 9:36 am to
quote:

Any suggestions?

Find someone with small hands.

Or use a screwdriver.

ETA, i used to have one of those little paint mixing trowels that was pretty thin and pliable. It worked well for these.
This post was edited on 4/18/24 at 10:46 am
Posted by eitek1
Member since Jun 2011
2127 posts
Posted on 4/18/24 at 9:37 am to
quote:

Also impossible to do in the location.


Not with the right tool. You need a "crowfoot" wrench attachment for that size for your socket set.

LINK
Posted by AwgustaDawg
CSRA
Member since Jan 2023
6918 posts
Posted on 4/18/24 at 10:14 am to
small screw drivers and a set of picks usually will do the trick...some of those damned plugged connections are harder to disconnect than pulling an engine....and of course the risk of breaking the damned thing and the damned vehicle never being right again is always there....
Posted by SRV
Banging in The Rock
Member since Nov 2021
1188 posts
Posted on 4/18/24 at 10:17 am to
quote:

The issue is you have to contort your hand to get to the switch itself and I cannot think of something I can hold to get back there to do the last step.


Yes, it is awkward….but doable as I described



Posted by White Bear
Yonnygo
Member since Jul 2014
13840 posts
Posted on 4/18/24 at 10:22 am to
Loosen the sensor to try and get a better angle in the harness. Push down on harness, release tab, pull plug up
Posted by BigBinBR
Baton Rouge
Member since Mar 2023
4060 posts
Posted on 4/18/24 at 10:25 am to
quote:

Youtube


This is the correct answer.

But to OP, you probably need to pull the tab higher. They typically go higher than you expect.
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