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Thread: ZF' Gearboxes in Jags

  1. #221
    Senior Member Jim_S-V6_2004's Avatar
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    Quote Originally Posted by cornershop View Post
    For those using Smith and Allan, or other 8432 compatible fluid (but not genuine ZF LG6)- any issues to report?
    .
    So...

    You've not read well Shirish.

    Shell M1375.4 is the original fluid supplied to ZF specifically for the ZF 6HP26 gearbox.

    Smith & Allan are the official Shell UK distributor. Their Shell M1375.4 fluid is exactly ZF LF6 apart from colour and is exactly what you need.

    It's also the cheapest, under £100 for a 20-litre drum delivered to you. That's £5 per litre.

    All other brands are copies and usually more expensive.

    ZF LF6 is up to £19 per litre. Same stuff.

    Read more at www.smithandallan.co.uk

    .

  2. #222
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    Quote Originally Posted by Jim_S-V6_2004 View Post
    .
    So...

    You've not read well Shirish.

    Shell M1375.4 is the original fluid supplied to ZF specifically for the ZF 6HP26 gearbox.

    Smith & Allan are the official Shell UK distributor. Their Shell M1375.4 fluid is exactly ZF LF6 apart from colour and is exactly what you need.

    It's also the cheapest, under £100 for a 20-litre drum delivered to you. That's £5 per litre.

    All other brands are copies and usually more expensive.

    ZF LF6 is up to £19 per litre. Same stuff.

    Read more at www.smithandallan.co.uk

    .
    Busted

    I was also trying to get feedback from other users of the Shell fluid - not knocking your guidance, i’d Just feel more comfortable if others had used it without issue.

    I will only get this done once in my ownership, so if Autotech say they’d prefer to use their own/ZF fluid, i would be fine with that, as its £150 or difference in a one off cost.
    2006 XJR - Midnight Pearl - Cranberry leather

  3. #223
    Member alan@agilecomputers.co.uk's Avatar
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    Quote Originally Posted by cornershop View Post
    Busted

    I was also trying to get feedback from other users of the Shell fluid - not knocking your guidance, i’d Just feel more comfortable if others had used it without issue.

    I will only get this done once in my ownership, so if Autotech say they’d prefer to use their own/ZF fluid, i would be fine with that, as its £150 or difference in a one off cost.
    Shirish, when I spoke to John at Autotech about this same subject, as Jim will also concur, he was very relaxed for me to supply the parts and fluid, once he realised I knew it had to be the right spec'.
    XJ Sovereign 2.7 TDVi, January 2008, Indigo Blue Pearl

  4. #224
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    Quote Originally Posted by alan@agilecomputers.co.uk View Post
    Shirish, when I spoke to John at Autotech about this same subject, as Jim will also concur, he was very relaxed for me to supply the parts and fluid, once he realised I knew it had to be the right spec'.
    Thanks Alan - the only concern i have with supplying my own parts is that it muddies the waters somewhat, should there be an issue with the transmission down the line. Using the vendor supplied parts/fluid should eliminate that.

    Will call them and see what’s what.

    Thanks both
    2006 XJR - Midnight Pearl - Cranberry leather

  5. #225
    Senior Member Jim_S-V6_2004's Avatar
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    Quote Originally Posted by cornershop View Post
    Busted

    I was also trying to get feedback from other users of the Shell fluid - not knocking your guidance, i’d Just feel more comfortable if others had used it without issue.

    I will only get this done once in my ownership, so if Autotech say they’d prefer to use their own/ZF fluid, i would be fine with that, as its £150 or difference in a one off cost.
    .
    You're bang on, bud.

    In fact I said in the beginning when I first started to try to trace the original and truly equivalent fluids, that it's not worth trying to save even £200 instead of using ZF LF6, since people will only change the fluid once in 10 years.

    But people kept coming back with "oh, this Okifinoki AFT 27.6 says it's good for all 6 speed auto boxes, you're wrong not to use it! It's supplied by the biggest auto box specialist in Britain"!

    So sht tastes good, let's all use it.

    Nah, I persisted and found the original spec, that it's made by Shell, that Smith & Allan are the UK Shell distributor and that they blend it to the original spec.

    It's red instead of clear so I wrote to Smith & Allan to explain why.

    They sent it to Shell support to answer, and they explained that they colour all fluids sold to the public, but not those sold to OEMs. And that this is the only difference.

    Disbelievers still think that gold fuids only are suitable, and that generic 6-speed multi-spec fluids are suitable.

    Well they ain't.

    The 6HPxx boxes could have used their existing ZF LF5 fluid if ZF thought it suitable.

    But they obviously didn't, and ZF commissioned Shell to make a special fluid for this box alone, which became ZF LF6 fluid, Shell M1375.4 spec alone, and no other.

    But it's up to the owner as it's his car and his pocket.

    My S Type was the first to use this Shell M1375.4 fluid, at John's garage Autotech BMW.

    John tried to get me to use the stuff he's been putting into BMWs with ZF 6HPxx boxes for many years.

    But he didn't do my research. So he kindly allowed me to take responsibility for Shell M1375.4

    And my S was fine and smooooth for 2 years until I sold it.

    He can supply it if you ask him now that he and Craig have seen it's fine.

    He can also supply ZF LF6.

    Or Dexron VI if you're mad!

    Up to the owner.
    .
    .

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  7. #226
    Senior Member fat controller's Avatar
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    Alan, thank you for your post detailing the part numbers etc, and for the info that they are willing for people to supply their own parts & fluids as long as they are up to spec, as this may very well help me. I am wanting to get this done, but at the moment don't have £500 on the hip to get it done. Being able to get the parts and fluids, I could do this in a couple of stages and then once I have built funds up again am only looking at a couple of hundred notes or so for the labour.
    ex - 2002 X-Type 2.5 V6; 1995 XJ Sport 3.2; 1998 Mercedes C180 Elegance; VW Passat 2.0TDI (140); Audi A4 Avant 2.0TDI; Nissan Qashqai 1.5dCi; Current - 2007 XJ 4.2 V8 Sovereign, and occasionally an Electric Wheelchair!

    It wasn't me! A big boy done it and ran away.

  8. #227
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    Used this seller because they ask for registration to check it is correct

    https://www.ebay.co.uk/itm/FOR-JAGUA...EAAOSw5ClXxEgC

    Also used Smith and Allan 20 litres then used surplus to change power steering fluid
    XF SV8 A - USB 2 - B&W 440W - Parking Aid Pack with Rear Camera - CAT Suspension - TPMS - 20" Volans - Headlamp Powerwash - Rain Sensitive Wipers - Xenon Headlights - Heated Windscreen - Intrusion Sensing - Navigation with DRG and TIS - ACC - Forward Alert - Memory Function - Blind Spot Monitor - Bluetooth Connectivity - Automatic Headlamp Leveling - JaguarVoice

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  10. #228
    Senior Member Jim_S-V6_2004's Avatar
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    The only danger in DIY-ing the gearbox service is that one or more of the sump filter bolts might shear, so always buy the filter kit with bolts.

    If you change 6-7 litres of the fluid only, that reduces the old fluid content to 1/3rd, 33%, and many kits come with only 6 or 7 litres of fresh fluid anyway. This is how much fluid comes out of only the sump, the rest is in the torque converter and gearbox oilways.

    If you then run the car for some time and then replace another 7 litres, the old fluid content will be reduced to around 10%.

    If you do that again with the remaining 6 litres from your 20 litre drum, you will reduce the old fluid content to about 3%.

    That takes time, jacking up.the car keeping it level, measuring temperature etcetera and you can't reset the gearbox Adaptions or run the TCM Drive Cycle setup unless you own IDS / SDD. The gearbox might then need a few hundred miles to smooth out its gearchanges.

    John and Craig will change all 10.5 litres in one go for around £200, using about 14 litres from your 20 litre drum. Try sweet talking them to do yours for £150, plead poverty, especially if more of you go there on Alan's and my recommendation. And tell them they are promoted and strongly recommended here on our Jaguar forums, so a good member discount, £50, will be worth their while, so it's worth a try.

    I didn't do that because I was the first S Type and the first to insist on Shell M1375.4 and the first to insist on changing both the Mechatronix sleeve seal and the rectangular seal and they were a bit apprehensive even though I told them I'd be responsible for any failure. When it was done Craig especially was very happy to do another now as he'd seen it was straightforward.

    By the way my rectangular Mechatronix Adapter seal had an extra tiny buttress on it which had to be cut off for the seal to fit my gearbox. It might be needed for the 6HP32 that it also would fit. Craig asked me if it would be ok to do so, and of course that's what we did. No problem. So if your rectangular seal is the same Craig knows what to do. And there are a set of 4 (5?) plastic tubes that can be replaced with no more dismantling once the Mechatronix unit is dropped to replace the rectangular seal if you want to do those too. It's very easy, they just pull.out and the new ones slip in. I didn't know about those then.

    John will pleasurably talk your hind legs off about your car and about BMWs and lots of other subjects too if you were a horse, so if you hang about, the time will pass swiftly. But take some refreshment with you and some extra for him and Craig, it can get hot in there this time of year.

    Or there's a café just past the station, 10 minutes' walk, on the left, where you can get good grub and great coffee.

    .
    Last edited by Jim_S-V6_2004; 17-05-19 at 08:01.

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