4hp22 valve body. Original Zf4hp22 Transmission Valve Body Good Used 2019-03-02

4hp22 valve body

ZF 4HP22/24 Remanufactured...

4hp22 valve body

Note the positioning of the speed sensor Get back under the car and ensure that the mating surface on the bottom of the transmission is clean and free of debris. To remove the bellhousing, all the bolts you can see in the photo must be removed. How long did the entire operation take you? It uses 4 solenoids and has a 7 pin plug. Transmission Case With Selector and Park 3. Hi Jim, you're right, I didn't want to disturb the good box. The transmission fluid temperature must be between 30-50 degree Celsius.

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69740BB

4hp22 valve body

The solenoids just tell the fluid where to go. Use the magnetic screwdriver to remove the accumulator cups. Soon I am going to have a go at rebuilding the valve body in my 535i. I find it easier to work from the back of the pan towards the front as it allows the last bit of fluid to drain out during pan removal. Once you get this one off the wiring harness will be free of the main bulk of the valve body. Some hold the valve body on to the gearbox, and some hold the valve body together.

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Valve Body Layouts

4hp22 valve body

Has anyone pulled the governor valve, cleaned it, and can report on those results. They have a slightly larger head than the rest of the bolts that hold the valve body itself together. I presume this is to stop the A clutch pack and associated gubbins from falling out, however once you've removed the bolts the pump readily pulls free with the bellhousing, despite your best efforts. With the 45 degree method you have a bit of control when the gear sets let go, as you can slow it down with one hand on the front of the box. As usual, do it at your own risk.

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ZF 4HP22/24 Remanufactured...

4hp22 valve body

Be careful here; the clutch pack and input shaft will easily pull out and you will end up with a small but confusing pile of gubbins on your workbench. The select lever is ready to operate the switch. Any broken or scored parts will need replacements. There are many versions of this transmission in general use. The frictions on that one are 4.

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Valve Body Layouts

4hp22 valve body

If you have taken things this far, then you are already knowledgeable enough, brave enough, or crazy enough to not require my inexpert contribution. I'm sure this is important, so take note. Place one of the large plastic tubs under the transmission and undo the drain plug with a 5mm allen key. You will find yourself looking at a large and confusing array of torx screws. Damage to this check ball can cause failure to engage reverse gear.

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ZF 4HP22/24 Remanufactured...

4hp22 valve body

I've worked out that I shouldn't need to raise the car any more than 8 inches to drop it out so I'll go around and measure up my mate's ramps as soon as possible. A s when you took it off, u se a 30mm socket, extension and universal joint with the ratchet. I've got pictures too, but they're at home so I can't post them right now. Four short ones toward the front, five long ones toward the rear. Note the positioning of the speed sensor Get back under the car and ensure that the mating surface on the bottom of the transmission is clean and free of debris. Warren, thanks for the info, yes definitely looks like there are a few possibilities available once the correct type of box is resting in the garage! I still need to clean the plug at the Auto but even cleaning the connector to the main harness as pretty much cleared up the issue with cold shifting from 1-2.

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ZF 4HP22/24 + 5HP30 valve body overhaul in detail

4hp22 valve body

What follows is largely copied from a post I made in the discussion forum! Do you have the crankshaft adaptor? Its retained with the fitting in the same way as the distributor. Zf4hp22 upgrade All of these items were in amazingly good shape for the miles my car has. Ring grooves are also the reason the trans loses forward movement during an emission test. Green arrows highlight the 4 bolts to remove. You have an empty case! I also use a compartmentalised case as shown below to keep parts organised. My automatic is one made for the Disco 1 with a 300Tdi.

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ZF 4HP22 step by step.

4hp22 valve body

Give your pan one last inspection for debris and then screw in the drain plug with a 5mm allen key. And going by other your comment above, can I assume it's just a case of screwing the switch into the new hole and it's all go? I suspect it might be in yours too. To remove the bellhousing, all the bolts you can see in the photo must be removed. Refit the pan to the transmission. The transmission fluid temperature must be between 30-50 degree Celsius. There are only 3 bolts left now, purple arrows.

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