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Rover SD1 Rear Suspension |
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Page Contents
©Rimmer Bros Ltd - Registered in England No. 2155394. VAT No. GB 352 8473 40.
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Watts Linkage
Trailing Arm
Rear Shock Absorber
Rear Spring
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Note: Two different types of Watts Linkage are used, employing two different outer locating bushes. Being of different sizes, the two bushes are not interchangeable; it is therefore worthwhile identifying the type fitted to your car before ordering. Some early models are fitted with a solid rubber bush of 27mm diameter, with a steel inner sleeve. Subsequently, most cars were fitted with a Metallastik bush, measuring 33mm diameter, having outer and inner steel sleeves with a slotted rubber 'sandwich' in between. Most Vitesses, however, employ the earlier type solid rubber bush. The complete Watts Linkage assemblies can be interchanged.
Watts linkage assembly;
Complete with bushes.
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Early type - Not Available
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Non Vitesse models - (1) - CRC4816
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Vitesse - (1) - CRC4638
Outer bush;
Early models -
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Standard - (2) - CRC646
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Polyurethane - (2) - CRC646POLY
Non Vitesse models -
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Standard - (2) - CRC4711
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Polyurethane - (2) - CRC4711POLY
Improves axle location under cornering.
Vitesse models -
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Standard - (2) - CRC646
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Polyurethane - (2) - CRC646POLY
Inner pivot bush - (1) - CRC1253
All models.
Mounting fork (watts linkage);
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Right hand - (1) - CRC1104
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Left hand - (1) - CRC1862
Diagonal brace (RH fork) - (1) - BRC6000
Bolt (watts linkage to fork) - (2) - BH110101
Nut - (2) - NZ110041
Trailing arm assembly - (2) - CRC5249
All models.
Front eye bush - (2) - CRC292
Rear pad (Trailing arm to axle);
To VIN313750 -
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Standard - (4) - CRC1825
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Polyurethane - (4) - CRC1825POLY
VIN313751 onwards -
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Standard - (4) - NAM5234
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Polyurethane - (4) - NAM5234POLY
Sleeve (rear pad) - (2) - CRC162
Washer (Trailing arm to axle);
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To VIN276727 - (2) - CRC95
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VIN276728 onwards - (2) - CRC5193
Nut - (2) - GHF233
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Note: All models were originally fitted with Boge self-levelling units at the rear, except 2300 and 2000 models which were equipped with conventional shock absorbers. Vitesses were fitted with 20% uprated self-levellers and were lowered by 1 inch, whilst VDP EFi models were uprated 20% but retained standard ride height. Self-levellers can be identified by the rubber gaiter at the base of the unit. The springs which accompany self-levellers are very soft and therefore cannot be retained if conventional shock absorbers are to be fitted. All versions can be fitted with either self-levellers or conventional shock absorbers provided the correct springs are also fitted.
Rear self-leveller (Boge Nivomat);
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3500/2600/2400TD - (2) - GSA76473
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Vitesse/VDP EFi - (2) - GSA76472
Rear shock absorber (2300/2000);
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Standard - (2) - GSA71410
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Gaz (pair) - (2) - GSA71410GAZ
On car adjustable.
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Spax (pair) - (1) - GSA71410SPAX
On car adjustable.
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Koni (pair) - (1) - GSA71410KONI
Off car adjustable.
Gaiter (self leveller) - (2) - RTC2703GAITER
Bush (shock absorber/leveller) - (4) - CRC185
Sleeve (bush) - (4) - CRC300
Washer (inner) - (4) - CRC309
Washer (outer) - (4) - CRC302
Nut - (8) - NH112041
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Note: Rear springs must be changed when converting to or from Self Levellers.
Rear spring (Standard);
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3500/2600/2400TD* - (2) - GRS140
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Vitesse* - (2) - GRS144
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VDP EFi* - (2) - GRS140
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2300/2000** - (2) - GRS141
* For self-leveller applications.
** For shock absorber applications.
Rear spring (Uprated/lowered);
Not suitable for Self-Levellers. The following units should be fitted in pairs or ideally to include front springs also. Use with either standard 2300/2000 shock absorbers (GSA71410) or our uprated rear shock absorbers (Spax or Koni).
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Lowered 30mm - (2) - GRS141LOW
Vitesse ride height - progressive rate.
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Uprated/lowered 30mm - (2) - GRS141UR
Vitesse ride height - uprated.
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Uprated/lowered 60mm - (2) - GRS141UR-LOW
30mm lower than Vitesse.
Spring retainer - (2) - CRC1136
Bump stop rubber;
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Non self-levellers - (2) - CRC1121
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Self-levellers (standard) - (2) - CRC5305
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Self-levellers (lowered) - (2) - CRC4173
Seating rubber (upper) - (2) - CRC291
Cup - road spring upper - (2) - CRC2413
Coil spring compressor - (1) - RX1328
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and are used with their Licence under the Special 'Heritage' approval Scheme.
All original part numbers & illustrations have been reproduced by kind permission of British Motor Heritage.