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ZF4HP22.jpg
413941394139
>> No. 4139 Anonymous
19th April 2018
Thursday 12:28 am
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Lads

I bought a bargain barge about this time last year and just managed to bluff it through an mot again. Trouble is I think the automatic gearbox wants to pack up. Symptoms started last year.

When you pedal to the metal from speed or a standstill the box will kickdown into a lower gear and the engine revs up but none of that power is transfered to the wheels, even seeming to be actively braking momentum when trying to accelerate from speed.

All forward gears work fine without problem as long as I'm just wafting around but I'm no granddad and not having the ability to power through an overtake is a bit of a pisstake seeing as I'm paying over the odds to run a 3 odd litre straight 6.

The ATF was burnt and dark, that's all now fresh as well as a new filter, problem persists. Is a rebuild in order?
Expand all images.
>> No. 4140 Anonymous
19th April 2018
Thursday 4:10 am
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Sounds likely mate. Possibly a dodgy differential though which might be a cheaper fix. Either way you'll be spending some money, sorry lad.

It might just be cheaper to find a crashed beemer and hope his gearbox isn't fucked and swap them out, but if you don't have the means to transport that yourself, a rebuild might actually be cheaper.
>> No. 4141 Anonymous
19th April 2018
Thursday 7:34 am
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>>4140 Differentials don't slip like that - they go, or they stop going. There's a period of noise inbetween, which could be from seconds to years - but they don't slip.

Sounds like a clutch pack (or more than one) is failing.
Loads of 4HP22 bits on ebay, so it looks like a common 'box that people do service, which bodes well.
Good luck!
>> No. 4142 Anonymous
19th April 2018
Thursday 7:48 am
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>>4141

It's just what I first thought when I read

>even seeming to be actively braking momentum
>> No. 4143 Anonymous
20th April 2018
Friday 2:56 am
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>>4139
1) What make/model is your vehicle?
2) What made you want an automatic?
>> No. 4144 Anonymous
20th April 2018
Friday 3:08 am
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While I'm here, does anyone remember the lad who was doing up an old Escort (no pun intended)?

He promised us restoration pictures.
>> No. 4145 Anonymous
20th April 2018
Friday 4:17 am
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>>4143
Never you mind.

Thanks for the benefit of the doubt lads. Next job will be ripping this gearbox out to see whats what. Maybe in sometime 2020.
>> No. 4146 Anonymous
20th April 2018
Friday 6:17 am
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>>4145

It's a BMW 6 series isn't it. E24?
>> No. 4147 Anonymous
20th April 2018
Friday 8:11 am
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BMW cunts thread?
>> No. 4148 Anonymous
20th April 2018
Friday 8:52 am
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>>4145
Keep an eye out for a swapper? They're not rare, especially if the one used in landys is the same.
>> No. 4149 Anonymous
20th April 2018
Friday 2:30 pm
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>>4148

It's used in a shitload of motors from that period of time, Audi, Landy, Alfa, Some VWs and even Lancias IIRC.
>> No. 4150 Anonymous
21st April 2018
Saturday 2:04 am
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>>4146
No, sadly.
>> No. 4151 Anonymous
21st April 2018
Saturday 10:08 am
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>>4150

Must be a beemer though, can't think of another 3L straight 6 with a ZF.
>> No. 4152 Anonymous
21st April 2018
Saturday 11:40 am
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>>4151
> 3 odd litre straight 6.
Not 3L. So old Jags?
>> No. 4153 Anonymous
21st April 2018
Saturday 12:31 pm
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>>4152

Ah yes, an old XJ of some sort. I'd guess XJ6 since he said 'barge'.
>> No. 4154 Anonymous
23rd April 2018
Monday 4:01 am
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kaa.jpg
415441544154
It's an old XJ40 (XJ6)

Thinking about scrapping it now. I have serious adulting to do unfortunately.

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