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  #1  
Old 12-07-2009, 08:40 PM
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Anyone replace 617 cooler lines without engine lift?

Over at benzworld one person claims that he can do oil cooler lines without jacking the engine off the mount. This was provided the mounts were in good shape. Mine are like/as new, I'm hoping I am a good candidate.

Has anyone on here done it without lifting the engine off the mount? That is what I'm most worried about... I've never done that before.

Thanks!

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  #2  
Old 12-07-2009, 08:55 PM
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Quote:
Originally Posted by JHZR2 View Post
Over at benzworld one person claims that he can do oil cooler lines without jacking the engine off the mount. This was provided the mounts were in good shape. Mine are like/as new, I'm hoping I am a good candidate.

Has anyone on here done it without lifting the engine off the mount? That is what I'm most worried about... I've never done that before.

Thanks!

I did it without removing the engine mount bolt. but, beprepared to insert remove and curse, repeat, repeat, repeat. eventually you will find the right sequence of twists and turns and pressure to get it in. and then you have to do the other one. A lot less trouble if you lift the engine
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  #3  
Old 12-07-2009, 09:07 PM
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It is possible, but its much easier to just lift the engine up a bit.
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Old 12-07-2009, 09:29 PM
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I did both w/o jacking up the engine. It's a pain, but certainly doable. When you actually get it situated correctly, there is no amount of force needed to see it into the correct position. Can't even describe how to do it...I just worked and worked at it for a long while until I got it to fit.
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  #5  
Old 12-07-2009, 09:30 PM
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Oh, surely, someone has this documented. If not, I see a challenge for me on my next 617....
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  #6  
Old 12-07-2009, 10:39 PM
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I recently removed mine to put -8 aeroquip lines on them.

Jack the front up. Take the ground strap loose. Lines go down and back . Does take some manipulation but not too bad.
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  #7  
Old 12-07-2009, 10:41 PM
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sorry, ground strap?
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  #8  
Old 12-07-2009, 10:58 PM
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Yes, there is a ground strap or cable on the drivers side, from the bell housing to the body. 17mm bolt on bell and think it is a 15mm on the body.

with the hood up look down where the steering box is. It`s kind of behind and below it.

You will have to access it from under the car.


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  #9  
Old 12-07-2009, 11:05 PM
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OK got it. No menion of it in any other DIYs Ive read. I guess it is that badly in the way?
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  #10  
Old 12-07-2009, 11:15 PM
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Answer

sunnyintx has an elegant solution.
I forgot to get pictures when I was there.

They cut off roughly six inches (with fitting) at each end.
Take the ends to a local hydraulic hose fabrication shop.
The shop makes a three foot crimped hose with a standard female 3000 PSI fitting on each end.
They square cut the MB fitting ends, then weld a standard male 3000 PSI fitting on each one.
Attach two ends to the hose = a ready to use assembly.

I used a Sawzall to cut off the ends, then chop up the center section = total time two minutes.
Installing the new fabricated lines = Stick the assembly in the engine compartment, clock/align the fittings, tighten all the joints.
Total time (if the oil cooler unions have no issues) = 15 minutes or less..

Here is a rough drawing of what the hose looks like.
Attached Thumbnails
Anyone replace 617 cooler lines without engine lift?-fabricated%2520engine%2520oil%2520cooler%2520hose.jpg  

Last edited by whunter; 12-08-2009 at 05:04 PM.
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  #11  
Old 12-08-2009, 11:40 AM
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Quote:
Originally Posted by lutzTD View Post
I did it without removing the engine mount bolt. but, beprepared to insert remove and curse, repeat, repeat, repeat. eventually you will find the right sequence of twists and turns and pressure to get it in. and then you have to do the other one. A lot less trouble if you lift the engine
I did it but as lutzTD says, it requires a lot of verbal abuse. I tried to jack up the engine but the oil pan started to bend so I went the other route and just kept at it until they were in. Of all the projects I have done on my car this was my least favorite.

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