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Cooperracer05

Member Since: 07 Nov 2020
Location: Sussex
Posts: 90

Advice needed - failing power steering pump

Hi all,

My power steering pump has started sounding very unhappy when applying lock. I've checked the belt and looks fine. It sounds like the pump itself is failing. I also have Aircon and am a new owner so not got oily with the old girl yet.

Any advice on how to tackle this? How do I get the belt off for example? Do I have to take the Aircon unit out and need a re gas?

Thanks

6th Mar 2021 7:14pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 7686

2011 Defender 110 Puma 2.4 USW Stornoway Grey

Belt comes off by releasing tension on tensioner on lhs by using breaker bar on it. You can just take belt off ac, no need to remove it or drain gas from it. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop

6th Mar 2021 8:48pm

130dreamer

Member Since: 29 Feb 2008
Location: Romford
Posts: 100

That pump was replaced with a new OEM one in Nov 2020, due to a leak from the 'O' ring.
It is still under warranty so if it has failed let me know and I will get it replaced.

Removal is easy, you need to use a 15mm spanner or shallow socket on the belt tensioner to slacken the belt and remove it.
You can remove the pump with the viscous fan in place but it will probably rip your hands to shreds! Much easier to remove the fan.
To remove the pump, drain the PS system, removing the jubilee clip from the pipe is easiest.
Remove the inlet and outlet pipes from the pump, unbolt the 5 bolts from the front of the pump (10mm) and retain the bracket. Pull the pump off the keyway.

It is quite an easy job, especially if you remove the fan and you dont need to touch the aircon system.

6th Mar 2021 9:00pm

Cooperracer05

Member Since: 07 Nov 2020
Location: Sussex
Posts: 90

Thanks 130dreamer.

I may give you a shout if that is ok. It all looks pretty straight forward.

The pump has suddenly started making a groaning noise. It works fine and holding fluid.

8th Mar 2021 7:32am

Dinnu

Member Since: 24 Dec 2019
Location: Lija
Posts: 3208

2012 Defender 90 Puma 2.2 CSW Santorini Black

By ‘holding fluid’, did you check for drips or puddles beneath the pump, or did you check the level in the reservoir?
They make a terrible sound when the oil level is low and air gets in the system. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black

8th Mar 2021 7:40am

Cooperracer05

Member Since: 07 Nov 2020
Location: Sussex
Posts: 90

So my steering box has a small leak out of the input (I think). I checked the reservoir above the steering box and that has fluid in it.

I don't think the pump is leaking.

I presumed that if the reservoir has fluid in it then the pump should also be full as it is below that point in the system

I have ordered some fluid and will top it up a bit and see if that helps.

8th Mar 2021 10:18am

Dinnu

Member Since: 24 Dec 2019
Location: Lija
Posts: 3208

Generally, a few lock to lock turns will bleed it out, although there is a bleed screw on top of the PS box. Unsure how you can get to it on Td5s and later, but is there.
Personally I do not like to turn the steering when vehicle is stationary and on high grip tarmac... but thats just me. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black

8th Mar 2021 12:42pm

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