Tracking down suspension leak

Jimmy Brooks · Apr 16, 2026

powershift said:
I'm looking to replace the brass air line connector in the pic below. It mates the air line to the air strut. The dealer gave me PN LR044836 for $69. Price seems right for a brass fitting (j/k) but the part doesn't look right https://landrover.oempartsonline.com/oem-parts/land-rover-connector-lr044836 I looked through the catalog and didn't see it for sale.

Do I need to buy a whole air line, much like if someone wants a coolant fitting we need to buy the whole line and connector as an assembly?

View attachment 26969

if you really think its the fitting i would try tightening it first. had a D5 that would sag on one side and ultimately take the other side with it. found that the brass fitting was leaking, tightened it and boom, no more leak.

powershift · Apr 16, 2026

Jimmy Brooks said:
if you really think its the fitting i would try tightening it first. had a D5 that would sag on one side and ultimately take the other side with it. found that the brass fitting was leaking, tightened it and boom, no more leak.

Evidence shows that the fitting is not leaking because both L&R rear sides dropped together with the battery unplugged instead of just that one corner. I didn't know that before but I see reality now.

I'm thinking about taking apart the rear valve block and cleaning the O-Rings, seats, the valve mechanism and other surfaces. If the components are all cleaned and not worn/broken then the inspection is complete at least. Maybe the air is escaping past the O-Rings and out the case of the valve block.

BBLR3 · Apr 16, 2026

If your going to pull the block, you may as well just get an O-ring kit for it and rebuild it. You are already 100% into it at that point.

powershift · Apr 16, 2026

Yeah, was just posting about an O-ring discovery and that they don't need lube (wasn't sure lol) and they can lose their elasticity over time which causes them to fail. So it might be a combination of the powder residue and O-Rings getting long in the tooth.

powershift · Apr 17, 2026

Fwiw, the part the dealer was offering LR044836 was #18 it looks like because #20 is the VOSS connector.

Item Number	Description
1	Strap*
2	Upper gaitor*
3	Self-locking nut*
4	Rebound washer*
5	O-ring - Damper rod*
6	Spacer - Damper rod*
7	Air spring*
8	Retaining pin - Air spring sleeve support*
9	Bump washer*
10	Spring aid*
11	O-ring - Air sleeve support (2 off)*
12	Damper rod
13	Damper assembly
14	Strap*
15	Lower gaitor*
16	Strap*
17	Self-locking nut (3 off)
18	Top mount assembly
19	Bush
20	Voss connector

Tracking down suspension leak

Jimmy Brooks

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powershift

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BBLR3

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powershift

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powershift

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