Zf Wont Shift Up!

[Dadowiz]

Hi all, I have searched the forum pretty extensively and I apologise if I missed something.

My ZF Gearbox is not shifting up gears when I have planted the foot to overtake someone. Basically If I put my foot down the gearbox is holding the lower gear in high revs (around 4,000+) and wont shift up. I know the box is designed to keep the lower gear in case I need the power again, etc. BUT I have held it reving high around 8+ seconds and it still wont shift up. Obviously I have it in D mode and the only way to get it to shift up is to move it to Sport Shift Mode and do it manually.

Has anyone had this problem and can offer a fix? The car is standard other than a upgraded air box and filter, 19" wheels. Thanks in advance for your help!!

[Buf-Phoon]

Stock or modded get a service done on it.

Use Tranamax Z fluid. Do not let Fraud near it unless under warranty. even then

Does it hold until the top of 4th gear ?

[wiresquire]

  Quote

Gear hold, fast-off throttle (Automatic modes)

Upshifts are prevented when the throttle position sensor detects the driver has instigated a rapid lift off of the throttle pedal (fast off) and maintains the current gear until the driver tips-in (reapplies throttle pressure). It also helps prevents shift busyness in sporty driving and inhibits the ‘running away’ feeling when cresting hills.

Source: BF Falcon II press release

Did you hit the accelerator again?

[Dadowiz]

Thanks guys, it holds the top of 3rd and 4th.. :( I think I will get a service done on it.

In regards to applying the accelerator again, yes, I tried that. It is definately holding the gear.

*not happy*

[ZAP]

Disconnect the battery and reset the ECU.

I have had my car do it before, mainly going around a corner. The gearboxes can be a bit too smart sometimes

[Jman]

My box is doing the exact same thing. Ever since I had my car tuned it has done it. I had it serviced, still the problem remains.

I've given up on D and Performance mode and only drive it everywhere in tiptronic because I can make it shift properly.

Really hope the Xcal3 zf tuning can get rid of it.

I havent however tried disconnecting the battery...

[Worm]

What ZF tuning???

[bossmang]

yer I also heard a little about this ZF tuning...whats the go with it? who, what, when, where...

[KeepLeft]

Forget about ZF tuning. They've been promising it for a longggggggggg time.

[Dadowiz]

Ok so I took the car to Ford and to a transmission specialist just to have a quick chat and Ford tell me that I would be crazy to service the ZF as it should never be opened.. They wanted between $80-$120 to have a look at it and then said that a fix would probably be in the region of a couple of thousand dollars. This is before they even know what the problem is!!

I took it to a transmission shop and he said to hook it up to the system and test it will cost approx $80. He thinks it is going to be an electrical issue as the box is fully electronic. I told him I would get back to him.

I stuck my head under the car and it appears there is a transmission fluid leak somewhere so I think the fluid level is low causing the box to do funny things. I am going to get the transmission specialist to service it (Approx $350) and find the leak ($??) and hopefully problem solved.

Funny how things work. As soon as I found out I was getting a nice tax return my Ford starting having issue, my Pajero died, my Toshiba laptop decided (1 month out of warranty) to break and my 3 year old LCD TV has died!!

that's life!!

Anyone had any leaks on the ZF and know approx costs? I read about a couple where the wiring loom goes in, any ideas? Thanks!!