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Factory Oil Cooler Leak Question

Justin Fleming

Justin Fleming

1/2 ton status
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I just got done cleaning the underside of the engine in looks for a the oil leak. I had assumed it was the rear of the oil pan. What I have found out is the oil cooler adapter plate is leaking at the block. Is anyone fimiliar with the factory oil cooler adapter block? Just looking to find out what I am getting into before I tear it down.

Let me know what you know about this.... Is there a gasket or oring or something supposed to be sealing againts the block? Also I assume there is bolts up there somewhere when I remove the oil filter?

The truck is new to me so I have never even had the oil filter off

85 k5

thanks
 
There is a gasket between the block and adapter. Remove oil filter, unbolt adapter and replace the gasket.
 
AC Delco part #463015

Go to eBay an search "463015" and many of the listing have a parts schematic for you.

Good luck
 
Local parts store sells them too, Usually a bulk type package of different oil cooler gaskets and o-rings. I just bought one from Oreillys. Was like $4-5 or so.
 
Dorman sells a complete oil cooler gasket set part# 82560
$4.69 with free shipping on EBay. $5.99 at Oreillys
 
Doesn't matter if it's an add-on, it's just another component of the mechanical system, if ANYTHING it's benefit the engine by controlling the oil temperature.

It would take MORE time to remove the oil cooler and components, than it would be to just replace a leaky gasket or o-rings.

Try being a bit more helpful in your posts instead of all negative comments on things just because YOU think they aren't needed, required or desired BY YOU.
 
Or by most customers of older trucks.

It is fun when i have to swing an engine on a truck because the unnecessary oil cooler leaked out all of the oil and the customer blew the engine.....

Martin
 
82355 said:
Or by most customers of older trucks.

It is fun when i have to swing an engine on a truck because the unnecessary oil cooler leaked out all of the oil and the customer blew the engine.....

Martin
Click to expand...

Learn how to do the required repairs... It part of the engine, you should have known it was there. Oil can leak from other parts just as easily. not like it's something that springs a leak every other year. It's called personal responsibility, you should know what the heck is going on with your vehicle, if it's leaking, you should be smart enough of a person to see it's leaking and get it serviced.
 
Not my truck, it was a CUSTOMERS'S truck. He blew the engine, I had to install the new one.

Those things come in leaking all the time. A lot of people ask us just to remove them.

Martin
 
I don't think anyone can wisely comment on the usefulness of the oil cooler without knowing the before/after temps, and under what conditions. I have yet to see anyone monitor oil temps in that manner.

I intend to do so, but it's one of many projects I'm not working on right now. As soon as I get some sensors turned down to fit the oil pan drain plug, get my hands on an aftermarket gauge that works with a factory sender, etc...

Could be completely worthless with the oils we have today, or like the PS coolers, it could have been added because we started using the trucks harder and harder and it was determined to be a potential issue. Nearly impossible to blame failure or even shortened engine life on occasional oil temp spikes. Too many truck motors last a LONG time to say that the oil cooler is necessary. But some folks push their trucks hard, and perhaps it's enough to make a difference.
 
:draw: All right everybody just chill!

You're both right in your own way.

Yes it is beneficial if you are going to be pulling a trailer or heavy load all the time, or even if you are doing a lot of slow crawling.

And no it is not not needed on a grocery getter.
 
To the OP. The kit comes with o rings for the cooler lines at the adaptor. Take the time to change them. Pull the adapter out to clean and check for cracks.
 
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