H3 Oil Pressure Switch

[the_real_hacksaw]

Went for an oil change, found out my oil pressure sending switch is leaking. Is that a common ailment for H3’s ? They also told me radiator is leaking (I know that’s common) and it’s a $900 job to replace it. Thank God for warranty


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[08H3]

I don't know how common it is, but I actually just changed mine this week, so it does happen.

 

[the_real_hacksaw]

I don't know how common it is, but I actually just changed mine this week, so it does happen.

What did the switch cost ? $20-$30 ?


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[Enter Hummer]

STOP! Don’t pay a mechanic $900 for a radiator! Im kidding, do whatever you want just trying to save ya a little money. I did mine for the cost of a new radiator plus fresh fluid ($170 altogether). Just remember to triple check that the tranny lines are properly attached to the radiator. I forgot to put the little collar peice back on and a half mile later I spit out all the fluid I had.

EDIT: Yes, Thank God for warranty

As for the switch I have no clue.

 

[the_real_hacksaw]

STOP! Don’t pay a mechanic $900 for a radiator! Im kidding, do whatever you want just trying to save ya a little money. I did mine for the cost of a new radiator plus fresh fluid ($170 altogether). Just remember to triple check that the tranny lines are properly attached to the radiator. I forgot to put the little collar peice back on and a half mile later I spit out all the fluid I had.

EDIT: Yes, thank god for warranty

As for the switch I have no clue.

Yeah I thought $900 was crazy too but since it’s warranty I said “of course I want it fixed!”



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[amrg]

I had my entire engine out of the truck for 900!
The radiator removal was included

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[08H3]

What did the switch cost ? $20-$30 ?


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$32 on Walmart.com. You will also need a sending unit socket which is about another $10 at the parts store if you don't already have one.

https://www.walmart.com/ip/ACDelco-D1843A-Switch-E/47378001

 

[the_real_hacksaw]

I had my entire engine out of the truck for 900!
The radiator removal was included

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Gotta love flat rate ! I guess radiator replacement pays 3.8 hours. They claim they purge and recharge the AC system. They also get paid more for removing the brush guard.


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[Chris Laun]

Does the faulty oil pressure sensor throw a code/light when its bad?

 

[the_real_hacksaw]

Does the faulty oil pressure sensor throw a code/light when its bad?

Mine didn’t


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[alrock]

Does the faulty oil pressure sensor throw a code/light when its bad?

Sometimes they just leak. I would also see on occasion the oil pressure light come on, usually after a long period of higher revs followed by stopping, like coming off a freeway to a stop light.