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Mining Subsidence Stu



Member Since: 06 Mar 2024
Location: Cornwall
Posts: 17
United Kingdom 1991 Defender 90 200 Tdi HT Caledonian Blue
200 power steering quirk.
Steering box was leaking. Got it replaced with a very expensive one.

Had the fan belt snap, which then took the power steering belt off as well a mile from home. Drove it home with brute force.

Put new belt on, belt has started slipping, mainly when I start it up and at low speed. Sprayed it with belt jizz and have tightened it up and it still seems to like slipping.

I've got to do a big road trip tomorrow and I'm a bit anxious about it. It's ok totally, PS works no problem at all, but at low speeds it's slippy, seems to be turning left is more of a problem.

Am I right in thinking the "blow off" or "pass" valve is Censored and I need a new pump?

Presumably this is something many of you have dealt with.

Cheers Stu
Post #1054241 9th Dec 2024 12:21pm
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MarkBrown



Member Since: 03 Oct 2022
Location: Mid Wales
Posts: 475
Wales 1983 Defender 110 Other HT Auto Keswick Green
I had a 200 tdi and the belt had to extremely tight for it not to slip and squeal. I believe that new belts and pulleys will solve the problem and then presumably they won’t need to be as tight. I just put on new belts and kept it very tight, although this wouldn’t be beneficial to the bearings in the items run off of said belts. It would be easy to check the bearings on the alternator/ pas / water pump as check. I seem to recall buying a different make belt, or maybe a fatter one, but not certain on this. 1983 110 automatic OM606
Post #1054286 9th Dec 2024 9:44pm
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Mining Subsidence Stu



Member Since: 06 Mar 2024
Location: Cornwall
Posts: 17
United Kingdom 1991 Defender 90 200 Tdi HT Caledonian Blue
tightened it right up and it was fine (new belt). Started squealing again FFS. Time for a new pulley.
Post #1054593 13th Dec 2024 2:08pm
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3421
Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
Was it happening before you ‘forced’ the box?
I never opened a PS pump, but I know there is a lot of valving done on the input shaft of the steering box. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1054595 13th Dec 2024 2:13pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2244
United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
After a new belt and pulley, you will need to retension the new belt again as it stretches.
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #1054605 13th Dec 2024 3:25pm
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Bowbearer



Member Since: 12 Aug 2022
Location: Norfolk
Posts: 178
United Kingdom 1985 Defender 110 200 Tdi SW Auto Baltic Blue
I had this problem for ages.

Turned out the pump was slightly loose and kept moving.

Had to re-tap the holes and new bolts.

Bought several different size belts to make sure of good fit, original was too tight.
Post #1054650 14th Dec 2024 9:32am
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