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Home > Maintenance & Mods (L322) > Problem with gear box zf 5hp24 or tc

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RRPhil

Member Since: 22 Aug 2011
Location: Blackburn, Lancashire
Posts: 1000

That twin row angular contact ball bearing is only used in the RWD versions of the 5HP24 where it is required to take the plunge loads from the propshaft.

Click image to enlarge

It isn't used in the three variants of the 5HP24 that are bolted up to transfer cases i.e. the 029 model for the E53 4.4i, the 032 model for the Range Rover 4.4 and the 034 model for the E53 4.6iS.

The output from the transmission is simply a splined shaft that engages in the input shaft of the transfer box.

Click image to enlarge

Phil

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated

12th May 2015 11:30pm

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

2002 Range Rover HSE 4.4 V8 Bonatti Grey

Ok phil
My rr is 4.4
I will see the version on my gear box at midday
Merci

13th May 2015 6:52am

RRPhil

Member Since: 22 Aug 2011
Location: Blackburn, Lancashire
Posts: 1000

You will see that the model number on the green plate is 1058 000 032

Click image to enlarge

Phil

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13th May 2015 10:07am

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

Thanks you rrphil
Inside the tc there is bearings or not?

14th May 2015 12:29pm

RRPhil

Member Since: 22 Aug 2011
Location: Blackburn, Lancashire
Posts: 1000

The component that looks like a large bearing in the centre of the stator is actually a one-way clutch (or mechanical diode) that only allows the stator to turn in one direction.

Click image to enlarge

When the speed ratio across the converter is low the stator is locked to the casing via this sprag clutch so that it redirects the hydraulic flow in the converter circuit to multiply torque. Once the converter gets to its coupling point (at round about 0.85 speed ratio i.e. 15% slip) the flow impinges on the back of the blades and the sprag clutch automatically allows the stator to freewheel so that it doesn’t ‘get in the way’ of the flow circuit which would reduce the converters efficiency. It can no longer multiply torque from this point so the coupling just behaves as a fluid flywheel.

Apart from three axial needle roller bearings to handle the thrusts from the stator and turbine (shown in yellow), that’s it for roller bearings inside the torque converter.

Because the torque converter casing (i.e. impeller) is bolted to the engine flex plate, and is radially located through a spigot into the end of the crankshaft, outside of the torque converter there is just a single needle roller bearing on the oil pump drive tube to steady it :

Click image to enlarge

Phil

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated

15th May 2015 1:09pm

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

Thanks you for explanation
In any case i have to dismantling the gear box and tc to check

16th May 2015 8:29am

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

Click image to enlarge

Hello i have dismantling my gear box and i think that the problem is here
Have you some idea?
Thanks
Pjpetit

9th Mar 2016 8:22am

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

on vue it's the 32330 disc carrier
thanks

9th Mar 2016 2:32pm

miggit

Member Since: 12 Jul 2014
Location: Milton Keynes
Posts: 3661

Just a thought.... could it be worn out clutch plates on first / second gear? Only from what I can gather it's all OK in 3,4,and 5..... Shorely if it was a bearing then it would whine all the time? Yesterday I couldn't spell Engineer... Today I are one!
Inventor of the 'Guide-o-Matic automatic wheel alignment tool'
Former long term L322 owner, Up/Down graded to a Classic Tractor!

9th Mar 2016 2:48pm

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

Ok understood
This part is the second speed i think
I Will open this evening to Check the Plate
Merci

9th Mar 2016 5:31pm

RRPhil

Member Since: 22 Aug 2011
Location: Blackburn, Lancashire
Posts: 1000

That looks like the inside of the E-clutch hub and you certainly wouldn’t expect to see scoring in there.

Click image to enlarge

What does the E-clutch piston look like?

Click image to enlarge

So what happened with your transmission between May 2015 and March 2016?

Phil

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated

10th Mar 2016 12:38am

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

Click image to enlarge

Hello
From 2015 vibration around 60 km/h or during acceleration
And yesterday i have dismantling clutch

Click image to enlarge

For me is ok
May be the torque converter
This evening i will check the oil pump and drain the tc to look for part of steel
Thanks for you help

10th Mar 2016 1:44pm

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

Hello i have double check the steel plates and friction

And i have check piston

For me pistons are clean

Thanks for your opinion
Pjpetit

14th Mar 2016 7:53am

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

News

Hello
Sorry for the delay but i have break my arm and my work shop was closed during 1 month
Ok now i have rebluilt my gear box
I have change:
All steel plates
Friction plates A et B
Complete kit of seals
The bearing of C clutch (worn)
The complete bushes (

Double check'the body valve

I drive with mi RR for 1 week
The gear box work very well no noise BUT again the vibration

I dont know why
Please help me

3rd Jun 2016 9:03pm

pjpetit

Member Since: 23 Jun 2014
Location: vernon
Posts: 17

hello

i thinks to found my problem

the eds1 and eds4 are open or burnst

the eds1 control the pressure inside the gear box
the eds4 control the torque converter

i will change the both next week end

see you

5th Nov 2016 7:04pm

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