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I'll not do that then! Heard similar elsewhere too
L322 ZF8HP70 gearbox problem
- Thread starter kermit_rr
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This sounds like it may be relevant to your issue:-
And
So the output speed sensor monitors and reports rpm, it's not an 'on-off' sensor, which yours seems to be behaving as. Unfortunately it's not a serviceable item from LR - but may be at a ZF service centre.
You may wish to have a proper diagnosis carried out rather than a virtual one if it involves spending what little cash the incumbent Gov't. leaves you with.
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Thanks. There's a 'gearbox specialist' near me, or do you mean an actual ZF centre?
These folks https://www.autolock-crewe.co.uk/
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So if it's a bad sensor, it's located in the mechatrinic module.. that means a rebuilt unit from what I've read
You can change the Mech, I've done quite a few on various ZF 'boxes - even more on M-B & VWG transmissions... If the sensor is defective and it is replaceable seperately, then a ZF centre will be able to do it, your transmission specialist may be able to do it if ZF sell it as a spare component to third parties. I would advise getting a proper, physical diagnosis carried out to confirm this 'virtual diagnosis' before committing to any repair though.
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Found this place near me.. perhaps a good first contact
ZF Services UK, Wrexham
Redwither Road
Wrexham Industrial Estate
Wrexham LL13 9RD
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The box in the Chrysler/merc 300d? yep seen that one.
No, much more recent vehicles than that! many still in manufacturers warranty....
When I was at VW, there was at least one vehicle a day in for a Mech. replacement, where I am now, we average two a month, again, not particularly old vehicles.
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Yes I'll get it diagnosed properly, but if that's the issue, sounds like i should be getting a replacement mech unit, if i want it to last.. but not a cheap item
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I'd seen that, the vw/audi boxes had the filter gaskets for the solenoids breaking up and the gauze blocking the solenoid nose.
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i wonder if this lack of data is why the cruise control is rubbish?
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That's plausible mate
Founds this and found it quite interesting.
Although the history of use in Range Rover seems wrong.
But anyway worth a look, some interesting points made about the electrical connector.
J
The Definitive Guide To The ZF 8-Speed Transmission (8HP45) - Specs, Common Problems, Diagnostics, & Maintenance
ZF Friedrichshafen was formed just after the turn of the 20th century in Germany. Initially, ZF was dedicated to designing parts for Zeppelins, but the quickly growing automobile industry soon became their main focus. By 1934, Zahnradfabrik Friedrichshafen had built their first fully...
www.fcpeuro.com
Although the history of use in Range Rover seems wrong.
But anyway worth a look, some interesting points made about the electrical connector.
J
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- Posts
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The rubber sleeve thingy was replaced with three oil change, no dash lights or codes so maybe a scarlet sardineFounds this and found it quite interesting.
The Definitive Guide To The ZF 8-Speed Transmission (8HP45) - Specs, Common Problems, Diagnostics, & Maintenance
ZF Friedrichshafen was formed just after the turn of the 20th century in Germany. Initially, ZF was dedicated to designing parts for Zeppelins, but the quickly growing automobile industry soon became their main focus. By 1934, Zahnradfabrik Friedrichshafen had built their first fully...www.fcpeuro.com
Although the history of use in Range Rover seems wrong.
But anyway worth a look, some interesting points made about the electrical connector.
J
But.. Was the plug clean of oil? Maybe a pink salmon but
As there's so much going on in the box and you are having issues with signals coming out, worth a look/thought
.Did like that "neutral" bolt though, cant remember seeing it when I did my front prop, as it kept dropping into park and it was a PITA. (need to look back on pics).
J
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isnt the neutral thingy what you operate when you pull on the red strap under the cup holders?But.. Was the plug clean of oil? Maybe a pink salmon but
As there's so much going on in the box and you are having issues with signals coming out, worth a look/thought
Did like that "neutral" bolt though, cant remember seeing it when I did my front prop, as it kept dropping into park and it was a PITA. (need to look back on pics).
J
Yes I thought it could be done from under the cup holder along with the EPB release.
Need to check, have to remember he was talking BMW so could well be different for JLR.
J
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EPB release is in the boot i think?
