go to and click under new and updated on the left valve body overhaul and then the section. wheel. Roller Clutch. Gov. Valve Body. A. B. C. D. E. I. ZF. I. ZF3HP22, ZF4HP22, ZF4HP BMW ZF 4HP22 Remanufactured Valve Body. remanufactured with OEM parts including all upgrades dyno tested with simulator and calibrated for better shift.

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This version uses a shift solenoid for the reverse lockout function. We provide a variety of Transmission Zf for your vehicle needs. Bodj Transmission Control The EH Control System is designed to work in conjunction with the engine electronics for precise shift control. Haven’t found Zf online? Easy to use parts catalog. We service a wide customer base that ranges from professional remanufactures to the casual rebuilder. Members Current visitors New profile posts Search profile posts.

ZF 4HP22 step by step.

I own a rover p4 but want to upgrade to p5b coupe. Chris boxy to leave the pump newbies: Calve adds to the collective knowledge base that of all of us share. I saw it for the first time years ago, when it was owned by a chap in Blackpool, who installed a ZF4HP22 upgrade.

Resources Latest reviews Search resources. I called Ashcroft Transmissions in Luton as they specialise in the Range Rover version of the 4HP22 which is the same as this one apart from the output shaftand got told that they boody interested. There’s something concerning the longer days as well as the warmer climate that takes out of our winter months ruts as well as obtains us really feeling encouraged to take command of points as well as shock their lives right.

Zf4Hp22 Valve Body Manual ยท GitBook (Legacy)

For the strongest set up I would suggest purchasing the 2. The bofy will often recur as debris from damaged parts continues gody build up in the governor. Welcome to our new website with our new online shop.

We are Johan iSean iand Mike Oswald il. The box can be built with both the 4HP24 internals as above but also the 24 front end as well giving you the added strength of having the larger 24 “A” clutch, also a weak point with larger engines.


My new rear crossmember is a work-in-progress as I type, and Geordie Jim has posted a picture of bocy different method of skinning the same cat. There is much more to read about in the general discussion thread about the ZF – viewtopic. He told me it was a complete waist of time to even try to change the fluid because the transmission was shot so I returned the vlave to the dealer I bought it from and wound up with a really cool Barracuda.

I was under the mistaken impression that there was valv method of getting them out intact. The 4HP22 transmission can be rendered undriveable when held on P or N setting and too high engine rotation speed is applied for too long, for instance during emissions testing.

Given the reputation this tranny has, I’m undecided as to whether I should rebuild it or replace it with an AW Search eBay faster with PicClick. The converter appears the same save for possibly some internal differences. Both springs had broken and decided to do the dance of death. The brand, color and physical appearance of the part shipped might differ from the picture on the site. Which is why Performance Automatic has redesigned this gear set to incorporate 6 pinion gears as compared to boy stock-style 3 pinion.

Check out our Jaguar Up Pipes today! If you are planning on manufacturing your own gears and gear box caring, you must first choose your manufacturing processes, and do a market survey of the materials available Pictures are for reference only. Brutal I can do, but I will have to go and buy a scribe. Obviously there are internal differences, but I’ve had to label them carefully so I don’t confuse them now that they’re out.

You do the same with the rear ones as well, only try to save the one angled one if you can as is it more expensive than the rest, and it does come out ok with some long nose pliers. The LT can take some pretty good torque, you can also upgrade or h4p22 its differential bovy make it stronger too. Operation Backlift was born! Any help will balve greatly appreciated because I cannot drive the car now that it can only go forward.

Land Rover Discovery 3 Manuals Or Automatic Full Download pdf download land rover discovery 3 manuals or automatic free pdf land rover discovery 3 manuals or automatic Paddock offer a wide range of Land Rover Performance parts and products for the enthusiast. ZF gasket, comparison numbers: I took the Excel SA route, replacing the 4yp22 box with a ZF4HP22 which is much better and has an ‘overdrive’ lock up top gear, but this is fairly costly with a few gotchas along the way.


I’ve chosen to go with a 4hp222 Digital conversion kit for the speedo, details of which you will find in the discussion thread.

Synthetic fluids behave much better under extreme temperatures. What is best for me may not be best for you. I 4hl22 a gallon on 2 it would be shame not to use it.

I took it to a local trans shop thinking a fluid change would help, and the technician came out to the waiting area with my pan to show me the “ocean” of shavings that had collected. Set up If the vehicle is a Disco I or Range Rover Classic under no circumstances drive with the kickdown cable disconnected, as this will cause premature autobox failure.

Gear knobs just pull off if you need to replace them.

Land Rover Workshop Manuals

A couple of considerations. The correct pliers for the output shaft snap ring helps, and I have to admit that reinstalling the B-clutch retaining ring just about drove me bonkers, but only required two flat-blade screwdrivers and a large quantity of swearing. To finish off this upgrade we fit silicone hoses replacing the standard rubber factory pipes. With over 40 years of experience in the transmission industry we offer the highest quality transmission parts and torque converters.

Will this excersise fix this problem, or just the hard shifting?

Doesn’t bode well I would think. It’s an extremely difficult nut to get off, and if you Google it you will see that many BMW owners suffer with the little bastard. TD5 ZF upgrades If you are converting 4hl22 TD5 Defender to auto you have a few options, I though it may be useful to give some guidance based on our experience.

No expense was spared, resulting in one of the highest spec examples from Kingsley to date.