How To Replace OIL COOLER LINES on Silverado & Sierra

How To Replace OIL COOLER LINES on Silverado & Sierra | Oil Leak Fix

Рет қаралды 3,951

2 ай бұрын

Got a leaky Silverado or Sierra? Yup, me too! Today I am starting to tackle the leaks on my 2006 Chevy SilveradoMAX with a 6.0 Vortec, but it's the same process for a GMC Sierra. First item on the list is replacing the oil cooler lines! Mine have failed where the rubber line is crimped into the steel lines and it's just adding to the oily mess I am dealing with. This video is made to be a guide / demonstration on replacing your oil cooler lines yourself. It is only 3 bolts and two clips, the real struggle is there just isn't much room to work, especially on a truck with 4wd.
Parts I used (affiliate link)
Dorman 625-340 Oil Cooler Lines for 6.0
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SuperClean Foam Degreaser (also available at Walmart)
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Generally for SilveradoMax, 1500HD, 2500HD, but available on other models as well.
** DISCLAIMER: I am not a professional mechanic, do what I do at your own risk, I am not liable for your actions or ride. I am just showing how I work on my own stuff. **
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Пікірлер: 3

@autumnjeserich2689 23 күн бұрын

On my 02 2500HD my oil cooler lines looked like they had seen better days so when I dropped my oil pan to fix the pickup tube seal which I had to drop the front diff for anyway I decided to replace those lines while I'm at it. Bought the doorman lines. Within a month the high pressure line managed to get stuck into my power steering pulley pissed out all my oil and since of course I was going up a hill on a part of the interstate going through a mountain pass with no shoulder, by the time I was able to stop the engine was toast. Don't know if its a crappy design of the oil cooler lines or I just got unlucky with a part that shouldn't of passed QC because I swear the hard line was longer on the factory lines to where the rubber part couldn't end up in the power steering pump. Not saying don't replace them, but make sure its impossible for that soft part to hit a moving part. I thought bolting the bolt at the front of the engine would prevent that but got a nasty surprise and I don't want anyone else to go through the same misery I did.

@CLASSICSAREBETTER 21 күн бұрын

Wow that sounds like no fun at all! Never thought about them walking over to a pully if they weren't secured well. If I ever have to do it again, I think id just make my own lines outta high pressure hose and that way I could put them wherever I wanted. Thank you for watching!

@autumnjeserich2689 18 күн бұрын

When I get that truck running again I'm definitely planning on making my own lines and switching to an auxillary oil cooler if I can find a spot to fit it since i have the auxillary trans cooler option. Since I did the efan swap if I can ensure the accessory drive can't get to it it should be good. Don't know how I'd add hardline to the block but I figure i can probably add some metal braid to armor it and in the event that happened again I feel like the metal on metal would make noise to give me some indication. but on the bright side I got the motor to turnover yesterday and so far looking at the guts of it, it actually doesn't look that bad considering the failure it endured and the 275k miles. This platform is by far the most dependable I have ever worked with, but I come from working on 55-59 chevy trucks lol