ZF8 Failure

[inline6bmwfan]

Anyone had a ZF8 gearbox go on them?

If so what sort of issues did you have and what mileage/history?

Mine has 22,000 miles on it, looks like its given up the ghost.

Symptoms:

Rev flare between first 3 gears under certain throttle conditions (usually moderate throttle).

All quickcharge pressures negative suggesting swollen clutch plates. Clutch B and C gone further into negative over past 3 months.

ZF suspect possible glycol contamination, having it looked at in 2 weeks and have a feeling its not going to be good news.

Anyone had a ZF go or have to be repaired at such a low mileage?

Cheers

[stevieturbo]

Some are so plentiful and cheap....I'd just buy a used unit.

Although you don't specify what model/vehicle

But if there is some coolant contamination, that would need thoroughly investigated and cleaned/repaired so it cannot happen again.

[inline6bmwfan]

stevieturbo said:

Some are so plentiful and cheap....I'd just buy a used unit.

Although you don't specify what model/vehicle

But if there is some coolant contamination, that would need thoroughly investigated and cleaned/repaired so it cannot happen again.

Yeh once its diagnosed i am potentially going to swap the 8HP50 for an 8HP70 second hand unit.

[kylos27]

inline6bmwfan said:

Anyone had a ZF8 gearbox go on them?

If so what sort of issues did you have and what mileage/history?

Mine has 22,000 miles on it, looks like its given up the ghost.

Symptoms:

Rev flare between first 3 gears under certain throttle conditions (usually moderate throttle).

All quickcharge pressures negative suggesting swollen clutch plates. Clutch B and C gone further into negative over past 3 months.

ZF suspect possible glycol contamination, having it looked at in 2 weeks and have a feeling its not going to be good news.

Anyone had a ZF go or have to be repaired at such a low mileage?

Cheers

Get the manual gearbox option next time, all autos are ticking time bombs -just a case of if not when, hope this helps

[Fusion777]

kylos27 said:

Get the manual gearbox option next time, all autos are ticking time bombs -just a case of if not when, hope this helps

Since when? The ZF8's reputation is good from what I've seen.

[Pebbles167]

Fusion777 said:

kylos27 said:

Get the manual gearbox option next time, all autos are ticking time bombs -just a case of if not when, hope this helps

Since when? The ZF8's reputation is good from what I've seen.

Since never, it is a good unit. He's being a dick.

Not heard of an 8 speed going. The earlier 6 speed ones did occasionally, although it's such a different box it's hardly comparable. Will be interesting to see what they find.

[stevieturbo]

kylos27 said:

Get the manual gearbox option next time, all autos are ticking time bombs -just a case of if not when, hope this helps

That's a lot of bullst there.