XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

Oil cooler lines vs Transmission cooler lines

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Old 11-10-2013, 08:38 AM
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Question Oil cooler lines vs Transmission cooler lines

Hi guys,

I'm experiencing an oil leak in my 1995 XJS convertible. I've traced the leak to these two hoses/pipes that are ziptied together that run right above the transmission on the passenger's side. I can't find an engine diagram that would help me in identifying these hoses, but after reading a bit I've come to the conclusion that they are either the oil cooler pipes or transmission cooler pipes. Would anyone be able to help?

Thanks,
Taso
 
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Old 11-10-2013, 10:01 AM
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Old 11-10-2013, 12:09 PM
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good luck finding those transmission oil cooler lines. Ive found the intake line a couple of places, but not the output line. And Ive looked everywhere. What I ended up doing was taking them both into an hydraulic hose shop. They fixed them both for $59. The intake hose alone was $139 if I was going to buy it new. So I highly recommend just finding a place that fixes hydraulic lines local to you.
 
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Old 11-10-2013, 07:25 PM
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So I've attached a picture for confirmation... I'm sure you guys are right.

I'll look for a hydraulic hose shop and see what they can do for me.

Thanks!
Taso
 
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Old 11-11-2013, 10:07 AM
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Mrisisa, If your thumbnail is of the left side of the engine bay that may be oil cooler lines. The tranny cooler lines run along the right side of the engine.
RagJag
 
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Old 06-19-2018, 10:45 AM
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Any update to this thread? I am going through this right now. No replacement parts for the tranny cooler lines. Is the solution to remove what I have and get them repaired/fabricated at a hyd hose shop?
 
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Old 06-19-2018, 02:20 PM
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I would say that would certainly be the simple solution. You'll probably have to wait a day or two for the lines to be fabbed (some places do it while you wait, but I never find those places). They just lop off the end crimp on a new piece.

In the meantime, if there's an o-ring involved, you should pass the time sourcing a Viton o-ring replacement, which could be an upgrade on the OEM. McMaster Carr has all sizes, you just need to figure out what size they are...were.

Hopefully you'll report back so that everyone else can skip the measuring and go right to the sourcing.
 
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Old 12-17-2019, 03:47 PM
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Why would power steering fluid need to be anywhere near the gear box, I would suggest they are gear oil coolers..
 
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Old 12-17-2019, 04:32 PM
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Originally Posted by Simon Pickering
Why would power steering fluid need to be anywhere near the gear box, I would suggest they are gear oil coolers..
I'm not sure anyone ever suggested these were power steering lines. For sure it has been determined they are transmission cooler lines.
 
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Old 12-17-2019, 06:01 PM
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I must be getting links mixed up, new to this pls excuse me .. I am learning loads and hopefully I have helped others with dealing with the 1999 Model S Type, I discovered that those sites that just ask for your plate number to locate the correct part was showing mine to be a 2000, and they are very different, I think it's the very first S Type 3.0L SE ..
 
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Old 12-17-2019, 08:04 PM
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My hose that leaked adjuring a drive was the one that starts on the left side of the tranny and wraps up and over the front to the right side where it meets up with the hose on the RH side of the tranny. From there both go to hard lines to the front of the engine to the radiator. Yes, I relive the hose that split was the pressure hose. My solution was to get new hi pressure hose, cut off where the hose meets the hard line and insert the hard line in the hose and clamp with two hose clamps. The hard line actually has a shaped "bead" close to the swaged/crimped portion near the hose and once inserted and clamped, will not slide out. Did the same for the fittings on the tranny end. So far so good.
 
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Old 12-18-2019, 07:58 AM
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The ally had corroded at the bottom of the oil rad, no choice but to replace, even if I soldered it up it would go somewhere else prob ..having a rest and using the spare (don't ask) ..when finished I think I have done everything that has worn out, I should've got the 2000 and above model, I believe mine is the first S Type as they are so different and parts are a problem, I am not paying $70 for a used one as it would be 20 years old, hence a new one at$120,its annoying as I had job done then when bleeding, the oil cooler blew with a half inch crack near the bottom outlet/in. I am getting better at replacing rads now , a talent I didn't need ,, outside in the dark and rain, my hair was covered in oil lol, I will just bung 1 litre in as that looks like that amount on the floor and me(stop laughing) .. "It's a Jag Thing" it's in my blood ..and hair .3 washes and I can still wiff it and as you know it's not the best of odours.. Forever your surf Si
 
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Old 12-18-2019, 09:13 AM
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This thread seems to be getting quite confusing now.....

Paul
 
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