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Search: Posts Made By: RRPhil
Forum: X5 (E53) Forum 02-29-2024, 06:54 AM
Replies: 31
Views: 3,448
Posted By RRPhil
Is Fuse 1 okay in this fuse block? It powers the...

Is Fuse 1 okay in this fuse block? It powers the engine & transmission ECUs. (This is actually off a L322 Range Rover, but I assume the E53 is the same).
...
Forum: X5 (E53) Forum 02-24-2024, 01:48 PM
Replies: 8
Views: 430
Posted By RRPhil
If you do replace it, you want a YZ model...

If you do replace it, you want a YZ model (24007525323).

https://hosting.photobucket.com/images/ii29/GearShift2008/BMW_3.0i_petrol_X5_(USA)_nameplate.jpg?width=1920&height=1080&fit=bounds

If...
Forum: X5 (E53) Forum 02-24-2024, 06:39 AM
Replies: 8
Views: 430
Posted By RRPhil
A dodgy 4-5 shift could be down to an accumulator...

A dodgy 4-5 shift could be down to an accumulator issue (possibly a broken spring)
...
Forum: X5 (E53) Forum 01-23-2024, 03:25 PM
Replies: 7
Views: 90
Posted By RRPhil
The most common reason for a 5HP24 holding onto...

The most common reason for a 5HP24 holding onto the lower gears is that the fluid is overheating. This is because the controller inhibits upshifts to ensure that the engine revs (and therefore the...
Forum: X5 (E53) Forum 01-22-2024, 09:00 PM
Replies: 10
Views: 242
Posted By RRPhil
For genuine ZF parts from an official dealer I...

For genuine ZF parts from an official dealer I would use either JPAT (https://www.jpat.co.uk/) or Sussex Autos (https://www.sussexautos.com/)

Phil
Forum: X5 (E53) Forum 01-22-2024, 07:58 PM
Replies: 10
Views: 242
Posted By RRPhil
If it’s STA, then I know that they have a...

If it’s STA, then I know that they have a Hydra-Test machine to test out valve bodies/Mechatronic units and that this represents a substantial investment. I used this same equipment to test out my...
Forum: X5 (E53) Forum 01-22-2024, 11:58 AM
Replies: 10
Views: 242
Posted By RRPhil
Getting the transmission out of the vehicle &...

Getting the transmission out of the vehicle & back in again is definitely the hard part. Stripping & repairing the transmission is the easy bit (assuming, of course, that you have somewhere to lay...
Forum: X5 (E53) Forum 01-22-2024, 08:44 AM
Replies: 10
Views: 242
Posted By RRPhil
It may be worth removing the Mechatronic unit and...

It may be worth removing the Mechatronic unit and testing the E-clutch port with air pressure to see if the rear stator bush is worn. The E-clutch is used in 4th, 5th & 6th gears and the proportion...
Forum: X5 (E53) Forum 12-09-2023, 07:31 AM
Replies: 23
Views: 172
Posted By RRPhil
The only pressure tapping points that exist on...

The only pressure tapping points that exist on later models of the 5HP24 are for the B & E clutches and the torque converter.
...
Forum: X5 (E53) Forum 11-23-2023, 10:39 AM
Replies: 23
Views: 172
Posted By RRPhil
Would you consider carrying out the repair...

Would you consider carrying out the repair yourself? By far the worst aspect of the job is getting the transmission out and back into the vehicle afterwards. If you have access to a ramp, or know...
Forum: X5 (E53) Forum 11-16-2023, 07:16 AM
Replies: 23
Views: 172
Posted By RRPhil
The 6-speed boxes have a single-piece casing, but...

The 6-speed boxes have a single-piece casing, but the 5-speed is made up from four sections. The bellhousing, the oil pump housing, the main casing and the rear adaptor plate.
...
Forum: X5 (E53) Forum 11-15-2023, 02:38 PM
Replies: 23
Views: 172
Posted By RRPhil
As well as the larger torque converter, the ‘034’...

As well as the larger torque converter, the ‘034’ version for the 4.6iS has an extra clutch plate in the D-brake (5 instead of 4) and the upper valve block has different KV-B and KV-E valves. Yes,...
Forum: X5 (E53) Forum 11-14-2023, 05:16 AM
Replies: 5
Views: 105
Posted By RRPhil
You’re welcome. Actually, I should have made...

You’re welcome.

Actually, I should have made it clearer that the continuity test is between the positive pin and the four ‘L’ pins.
...
Forum: X5 (E53) Forum 11-13-2023, 08:11 PM
Replies: 5
Views: 105
Posted By RRPhil
https://xoutpost.com/844101-post2.html Phil

https://xoutpost.com/844101-post2.html

Phil
Forum: X5 (E53) Forum 11-13-2023, 07:01 PM
Replies: 23
Views: 172
Posted By RRPhil
Based on 275/40 R20 front & 315/35 R20 rear tyres...

Based on 275/40 R20 front & 315/35 R20 rear tyres the rolling radius is around 361mm

Axle ratio for the 4.6iS is 3.9091 (i.e. 43/11)

The transfer box ratio is 1:1

4th gear ratio for the...
Forum: X5 (E53) Forum 11-13-2023, 12:20 PM
Replies: 23
Views: 172
Posted By RRPhil
Hmmm. Not wishing to be too pessimistic but, as a...

Hmmm. Not wishing to be too pessimistic but, as a worst case scenario (& hopefully it will turn out that there’s a simpler and less costly electrical/electronic cause), you may have had an A-clutch...
Forum: X5 (E53) Forum 11-12-2023, 12:58 PM
Replies: 23
Views: 172
Posted By RRPhil
If you start the transmission from cold, will it...

If you start the transmission from cold, will it shift normally for a few minutes before the fluid gets warm and locks into 4th/5th or does it go straight into 4th/5th as soon as you select Drive?
...
Forum: X5 (E53) Forum 11-12-2023, 08:48 AM
Replies: 23
Views: 172
Posted By RRPhil
There’s no indication that you have a solenoid...

There’s no indication that you have a solenoid issue. It’s more likely that the readings have come about as a result of the transmission going into failsafe mode. The question is, why?

How certain...
Forum: X5 (E53) Forum 11-11-2023, 09:38 PM
Replies: 23
Views: 172
Posted By RRPhil
156mA is the minimum solenoid current (i.e....

156mA is the minimum solenoid current (i.e. solenoid is off) and 780mA is the maximum solenoid current (i.e. solenoid is fully on). The exception to this is Pressure Actuator (i.e. solenoid) 1 which...
Forum: X5 (E53) Forum 09-19-2022, 09:32 AM
Replies: 6
Views: 111
Posted By RRPhil
Although I agree that you might expect to see...

Although I agree that you might expect to see some metallic debris on the magnets from the direct clutch hub shaft failing, nevertheless this is a common failure in the 5L40-E and would produce...
Forum: X5 (E53) Forum 09-17-2022, 05:56 PM
Replies: 6
Views: 111
Posted By RRPhil
If you’ve lost 4th & 5th gears then it could be...

If you’ve lost 4th & 5th gears then it could be the ‘toilet roll’ shaft that’s sheared (it’s manufactured like the cardboard tube in the centre of a toilet roll). This means that the direct clutch...
Forum: X5 (E53) Forum 03-03-2022, 12:58 PM
Replies: 15
Views: 2,613
Posted By RRPhil
Your transmission was manufactured on 19 November...

Your transmission was manufactured on 19 November 2000 so it has the old piston seal material (unless, of course, it has been rebuilt in the meantime and upgraded)

Phil
Forum: X5 (E53) Forum 07-21-2020, 06:11 AM
Replies: 13
Views: 1,433
Posted By RRPhil
1st gear on the 5HP24 uses the A-clutch and the...

1st gear on the 5HP24 uses the A-clutch and the F-brake sprag. The A-clutch is also used in 2nd, 3rd & 4th gears. If you select 1st gear in Manual mode the F-brake is applied and this will by-pass...
Forum: X5 (E53) Forum 07-19-2020, 11:50 AM
Replies: 36
Views: 4,653
Posted By RRPhil
That's great news :thumbup: Phil

That's great news :thumbup:

Phil
Forum: X5 (E53) Forum 07-04-2020, 05:05 PM
Replies: 36
Views: 4,653
Posted By RRPhil
Just wondered if you checked the overdrive clutch...

Just wondered if you checked the overdrive clutch (4-5 shift) accumulator when you had the transmission apart?

78346

Phil
Showing results 1 to 25 of 417

 
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