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lbdmp

Member Since: 01 Feb 2025
Location: Rouen
Posts: 19

2010 Defender 110 Puma 2.4 SW Nato Green

My turbo harness has no ferrite. Could this have an effect?
I installed a radio at the same time as the problem.

2nd Feb 2025 8:40pm

MK

Member Since: 28 Aug 2008
Location: Santiago
Posts: 2454

2007 Defender 110 Puma 2.4 SW Chawton White

was the replacement engine coming from a Defender? Was it overhauled? any chance to check the pistons shape from the top? Injectors supplied by LR? Puma 110" SW

.............................................................
Earth first. Other planets later

2nd Feb 2025 10:04pm

jbcollier

Member Since: 29 Apr 2024
Location: Edmonton AB
Posts: 167

2009 Defender 110 Puma 2.4 SW Alpine White

"My turbo harness has no ferrite"

What is a ferrite? (other than magnetic iron oxide)

3rd Feb 2025 4:24am

lbdmp

Member Since: 01 Feb 2025
Location: Rouen
Posts: 19

Click image to enlarge

All defenders seem to have this ferrite, but not on mine.
Can't this wire be disturbed by another signal?

3rd Feb 2025 8:34am

andy63

Member Since: 30 Jun 2023
Location: north east
Posts: 634

I'm pretty sure my 2.2 has nothing like that .I was playing around at the turbo actuator connector a few weeks back and think I'd have noticed..
Just about all wires in the engine compartment can and will suffer electrical magnetic interference..I see it on the scope loads and it can be a pain. 😫..where they are really trying to avoid and minimise its effect the wires are usually twisted..as in the can network..and I think the injector wires.. I havnt stripped back the turbo actuator wires sheathing to see if they are also twisted..
That's assuming that's what the ferrite core is for...🤔

3rd Feb 2025 8:56am

lbdmp

Member Since: 01 Feb 2025
Location: Rouen
Posts: 19

I'm also going to test my motor harness

3rd Feb 2025 9:15am

andy63

Member Since: 30 Jun 2023
Location: north east
Posts: 634

I've just had a quick look, and while my Italian or whatever isn't great😫🤣
I think this is the turbo actuator connector and it shows the motor power supply wires as a twisted pair..👍

Click image to enlarge

3rd Feb 2025 9:34am

lbdmp

Member Since: 01 Feb 2025
Location: Rouen
Posts: 19

Thank you for this diagram.
This explains the ferrite in the repair kit.

3rd Feb 2025 10:46am

jbcollier

Member Since: 29 Apr 2024
Location: Edmonton AB
Posts: 167

Mine is a 2009 2.4 and has no magnet either.

3rd Feb 2025 1:14pm

jim4244

Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 853

2007 Defender 90 Puma 2.4 CSW Zermatt Silver

Hi

Will the ferrite ring make that much of a difference?

I'm overseas at the moment so can't check if I have one on my 2.4.

Jim

3rd Feb 2025 1:22pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17610

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

The ferrite wore through the insulation on mine and caused a failure of the actuator!

Only Land-Rover could achieve this....

3rd Feb 2025 2:44pm

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