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Removing leaking oil cooler lines for good (w/ pics)

This is a discussion on Removing leaking oil cooler lines for good (w/ pics) within the Technical / Maintenance forums, part of the General Discussion category; Here is some info from my experiences. Take it for what its worth.. Pulled an engine out of a 89 ...

  1. #21
    Intake Gasket Specialist daleearnhardt01's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)


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    Here is some info from my experiences. Take it for what its worth..

    Pulled an engine out of a 89 P/U that had a oil cooler to swap into a K5 Blazer. Went ahead and plugged the inlet/outlet on the adapter. Got the engine in and noticed oil pressure was not where I liked it to be. Got to thinking about how oil filter adapter/cooler etc work. Purchased a regular adapter and gained 10psi at idle and almost 20 at WOT. Not to mention the fact that the oil wasnt getting filtered.

    Like I said take it for what its worth but I wouldnt plug the adapter like that.
    Chris

    '98 Chevrolet K1500 Silverado Z71 RCSB Indigo Blue - Nelson Tuned 350 Vortec/4L60E/4.10 Lockright'd 14SF/Classic II's/285 BFG All-Terrains

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    Registered User dcmorga's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Quote Originally Posted by JZ57_CN
    From your Pic.1, there is no path that oil can enter oil chamber from the engine, even there is rad marked arrow. Where is the hole?
    The drilled port is supposed to be represented by the red arrows making a dog-leg to the oil filter chamber. You can see the raised casting that contains the drilled port.

  3. #23
    Registered User dcmorga's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Quote Originally Posted by low4x4
    Wow ..you did all this for two lines that total $53...???
    Well... 3 times $53, so yes, after spending over $150 in hoses and looking at the unsightly oil stains on my driveway and garage floor then enough was enough. One new set from the dealer only lasted one month. Like it's been discussed before, crimped aluminum is a poor choice to swage against a hose that can swell when exposed to 180 degrees plus temperatures when running and then condense as it cools to the current -20 that it is at my house right now. I just wish I would have done this mod sooner.

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    Re: Removing leaking oil cooler lines for good (w/ pics)

    I was just wondering. Has anybody used a remote oil filter set-up(like Perma-Cool) & run the hoses through the OEM cooler? I was thinking about doing something like this, as I'm tired of replacing those crappy OEM styled cooler hoses (both from the dealer & aftermarket) & don't really like the small oil filter that we have to use on 4x4's.

  5. #25
    Registered User gr8twhite's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Quote Originally Posted by Green97Tahoe
    I was just wondering. Has anybody used a remote oil filter set-up(like Perma-Cool) & run the hoses through the OEM cooler? I was thinking about doing something like this, as I'm tired of replacing those crappy OEM styled cooler hoses (both from the dealer & aftermarket) & don't really like the small oil filter that we have to use on 4x4's.
    I think it was "cancritter" that did something similar...(edit*here's what I was remembering- http://www.fullsizechevy.com/forums/3736847-post8.html)

    My .02 on the oil cooler and lines:

    The lines and cooler add to the oil capacity of the engine. More oil is always good.
    Additionally, cooling the oil is always a good idea. Up to a point.

    Now, on my 89, the PO has 2 brand new line son the truck and they were done a while ago so I'm good for the time being. However, if they were to leak, I most likely won't replace them with stockers knowing the issues they seem to have. I'll make up some quality braided lines and go with a dedicated external cooler rather than the "in radiator" setup. A dual filter setup like cancritter did would also be good (except for the location) as it makes filter changes a snap, adds oil capacity and also allows the oil to cool. Probably as much, if not more, than the stock setup.

    Just what I'd do...
    Last edited by gr8twhite; 01-02-2009 at 04:25 PM.
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  6. #26
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Quote Originally Posted by Green97Tahoe
    I was just wondering. Has anybody used a remote oil filter set-up(like Perma-Cool) & run the hoses through the OEM cooler? I was thinking about doing something like this, as I'm tired of replacing those crappy OEM styled cooler hoses (both from the dealer & aftermarket) & don't really like the small oil filter that we have to use on 4x4's.
    Hydraulic lines.

  7. #27
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Quote Originally Posted by daleearnhardt01
    Here is some info from my experiences. Take it for what its worth..

    Pulled an engine out of a 89 P/U that had a oil cooler to swap into a K5 Blazer. Went ahead and plugged the inlet/outlet on the adapter. Got the engine in and noticed oil pressure was not where I liked it to be. Got to thinking about how oil filter adapter/cooler etc work. Purchased a regular adapter and gained 10psi at idle and almost 20 at WOT. Not to mention the fact that the oil wasnt getting filtered.

    Like I said take it for what its worth but I wouldnt plug the adapter like that.
    Quote Originally Posted by oldred95
    You can actually get the old style adapter from the pre 86 blocks that never had cooler lines to begin with and put it right in place of the cooler line adapter on the 2wds and probably on the 4wds as well but it would limit you to the big oil filter which may interfere with the front drive shaft.
    I was going to put new gaskets in the oil filter adapter on mine one night after hours at work. When I broke one of the plastic retainers I was looking into a backup plan to get home. I was going to go with the plug method but looking at it the only way for oil to flow through with the lines pluged was the bypass hole( which is there if the filter gets plugged, dirty oil is better than no oil). Decided against that and used the standard vertical filter mount found on any small block chevy from 70ish up to 98 on the 2wd models and the large diameter short filter(oe application was early 80s impalla with a 305. leaves about an inch between the filter and the driveshaft and works fine.
    Nick

  8. #28
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Quote Originally Posted by 71 CREWCAB
    I was going to put new gaskets in the oil filter adapter on mine one night after hours at work. When I broke one of the plastic retainers I was looking into a backup plan to get home. I was going to go with the plug method but looking at it the only way for oil to flow through with the lines pluged was the bypass hole( which is there if the filter gets plugged, dirty oil is better than no oil). Decided against that and used the standard vertical filter mount found on any small block chevy from 70ish up to 98 on the 2wd models and the large diameter short filter(oe application was early 80s impalla with a 305. leaves about an inch between the filter and the driveshaft and works fine.
    Nick
    This is a pretty good idea and I was going to try it. That is until I found an 89 K1500 with a 305 and no EOC that a guy is scrapping out. Got the filter housing off him for $10. So once I get that cleaned up, it is going on to eliminate the cooler lines. The housing looks just like a stock one with the cooler, just never drilled and tapped for the fittings.

    And on the plus side for me, now I can run the same oil filter on my truck as I do on my car and the wife's car.
    '94 Chevy K1500, 5.7L, 5 Speed, Step Side

  9. #29
    D to the MAX gr8shot's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Well I've never had any leaking problems from the lines themselves. Just the O-ring on the housing once.

    Maybe I'm missing something, but doesn't that cooler also act as a heater in the winter? Just like the factory "in radiator" style tranny cooler heats up the tranny fluid in the winter? Cold oil doesn't flow as well as warm oil, so the sooner you can heat up the oil the more protected your engine is. At least thats my thoughts.

    Maybe the heat from the engine heats up the oil faster than the coolant does, IDK. But I've never had a problem with mine so I have no reason to get rid of them. I figure any cooler is better than no cooler when it's 100* outside and I'm towing with the a/c blasting. At least I know my oil is staying somewhere around 200* rather than having no control over it at all.

    While some of the oil may not get filtered. It's not as if the oil gets SO dirty one time through the engine that it is shot. If that were the case the filter would plug up after 100 miles. It all gets filtered, whether it's on the first time thru the engine or second. By the third time through the engine the portion that hasn't been filtered has to be very very small. If it was such a terrible design these engines wouldn't last as long as mine has. And my DD still tows at least once a month, and off roads about once a month too. Thats with it pushing 300k on the 100% original stock motor.
    Last edited by gr8shot; 01-07-2009 at 08:30 AM.
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    Registered User smblksrock's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Quote Originally Posted by gr8shot
    Well I've never had any leaking problems from the lines themselves. Just the O-ring on the housing once.
    Me either. Not on my '93 daily driver, '89 tool truck, or '92 and '93 work trucks. ? They all have steel lines. Is this a problem on the newer trucks?

    As I said much earlier, I'd never disable an oil cooler. I see it as a benefit. I might upgrade the lines....
    93 K1500 Silverado 5 spd OD
    - Global Warming my A**! -

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    Re: Removing leaking oil cooler lines for good (w/ pics)

    If only the O-ringe is replaced with a new one and removing old gasket without installing a new one, do you think the oil leaking from housing can be stopped??


    Quote Originally Posted by dcmorga

  12. #32
    Habitual Troublemaker cancritter's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    JZ57..im bettin there will be probs...just replace..is pocket change for gasket compared to engine
    got tired of same prob on both my gms,,,decided they hada go


    used old clamp location ..worked nicely
    Last edited by cancritter; 01-08-2009 at 10:20 PM.
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    07/ 6.7 Cummins..truck included
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  13. #33
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Where do they go? More pics.

  14. #34
    Habitual Troublemaker cancritter's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    lines run up front to a dual oil filter modded to fit to bottom of front..l like this set up because l'll never have to worry about antifreeze in my oil from a bad rad...same went for tranny lines...they have there own cooling as well..rads only purpose is to take care of engine


    Last edited by cancritter; 01-08-2009 at 11:41 PM.
    [Stole/FOUND 13/03/08 :O)
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    07/ 6.7 Cummins..truck included
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  15. #35
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Nice but I'm not a fan of the location of the filters.

  16. #36
    Habitual Troublemaker cancritter's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    not a prob...truck will be used for raceing..will not see winters or any offroading..if so filter location would definitley have to be changed re bumps ect..they wouldnt last long...there location is more for cooling than anything
    [Stole/FOUND 13/03/08 :O)
    91GM 4x4 excb 5.7 @ 40 over, Westers,Eld 3704.Lunati Trickflow 195 @1.6 RR,Walpro 190/overbuilt 700r4 /TCS TC,4.10/tru trac,14 blt,Hooker LT,areofilter,Extreme TBI.MSD.AGR still adding
    07/ 6.7 Cummins..truck included
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  17. #37
    D to the MAX gr8shot's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Wow thats a sweet set up! Dang! And that probably gives you as much cooling as the radiator does anyway lol! Where did you find the part that replaces the stock filter housing?

    You can definitely tell it's not an off road truck! Way way way too clean! But it looks good!

    How often do you change your oil with that set up? And do you change both filters? Do the filters have different levels of filtration? or what is the reasoning for having two? Just added capacity?
    Last edited by gr8shot; 01-09-2009 at 09:57 AM.
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    SOLD!!!! 07.5 Chevy LMM Dmax DPF Deleted, EFI Live from Husker Diesel & more 448hp/834tq

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    '95 Chevy 2500 ECLB swapped in a 95 12v cummins, NV4500, 2wd

  18. #38
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    Of course you'd change both filters. I agree it's sweet if it doesn't see and offroading.

  19. #39
    Habitual Troublemaker cancritter's Avatar
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    Re: Removing leaking oil cooler lines for good (w/ pics)

    truck will never see any offroading..dual filter and location will help cooling and added oil..would always change both filters
    dual filter location idea orriginally came from a 69 camaro ss a fella owned back home..always thought it was a mint set up.
    adapter came from summit..was about 15 bucks..cheap
    dual filter from summit as well..cheap..had it modded to fit present location.
    Havent had opp to use or do fluid change as of yet as truck has been underconstution since lve gotten it back...getting rid of the K&N air filter is a big step to cleaner oil but dual filters will be nice
    also if the truck were to see cold weather conditions would definitley have a diffrent set up re tranny and oil for quick heatup ect,,,tranny fluid gets to cold it can thicken and take out your tranny for lack of lube ect
    Last edited by cancritter; 01-09-2009 at 11:32 AM.
    [Stole/FOUND 13/03/08 :O)
    91GM 4x4 excb 5.7 @ 40 over, Westers,Eld 3704.Lunati Trickflow 195 @1.6 RR,Walpro 190/overbuilt 700r4 /TCS TC,4.10/tru trac,14 blt,Hooker LT,areofilter,Extreme TBI.MSD.AGR still adding
    07/ 6.7 Cummins..truck included
    70 fury 3
    71 sport fury GT

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    Re: Removing leaking oil cooler lines for good (w/ pics)

    I just bought 1992 K1500 5.7L from a friend. Noticed it leaking a small amount of oil. I cleaned the area with degreaser and found oil coming from around the o-ring area of the mount. Thought it might be the rear main. Glad it's not! It has 131,201 original miles on the truck and hope to get 131K more. And, I just had the oil changed! Well, I guess I will need to go to the napa store tomorrow and ask for the oil pan gasket set? Is this a "easy fix"? Any help will be appreciated. I love the truck. I have known it since new. THANKS!

 

 
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