Remove/Install Rear Spring - AR32.20-P-0230XG
Model 463 as of model year 2019
| Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension | Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. | AS00.00-Z-0001-01A | |
| Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| Notes on repair work on suspension components | AH00.00-P-0100-01A | ||
| Remove | |||
| 1 | Remove shock absorbers (1) from rear axle. | AR32.25-P-0110XG | |
| 2 | Lower rear axle completely. | ||
| 3 | Mark installation position of upper spring retainer (2), lower spring retainer (3) and rear axle spring (4) relative to body and to rear axle. | ||
| 4 | Loosen stop buffers (5) in holes (arrows A) using a suitable tool and unscrew. | In order to shorten the clamping span and to facilitate the removal of the rear axle springs (4). |
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| 5 | Insert adapter plate (7) into lower mount on tensioning device (6). | Fig 2 | |
| Fig 3 | |||
| 6 | Insert adapter plate (8) into upper mount tensioning device (6). | Fig 2 | |
| Fig 3 | |||
| 7 | Install tensioning device (6) with adapter plates (7, 8) and clamp rear axle spring (4). | Fig 2 | |
| Fig 4 | |||
| Fig 3 | |||
| 8 | Remove rear axle spring (4) with attached tensioning device (6) and adapter plates (7, 8) | Fig 2 | |
| Fig 3 | |||
| Fig 4 | |||
| 9 | Unclamp rear axle spring (4) and remove tensioning device (6) with adapter plates (7, 8). | Fig 2 | |
| Fig 4 | |||
| Fig 3 | |||
| 10 | Remove stop buffer (5). | ||
| Check | |||
| 11 | Check rear axle spring (4) for paint damage. | When reinstalling the rear axle spring (4). If there is paint damage, ↓ Repair the paint damage using a black touch-up paint pen. |
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| 12 | Check rear axle spring (4) for wear and damage. | If wear or damage is present. ↓ Replace rear axle springs (4) in pairs. |
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| 13 | Check upper spring retainer (2) or lower spring retainer (3) for wear and damage. | If wear or damage is present. ↓ Replace upper spring retainer (2) or lower spring retainer (3). |
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| 14 | Check stop buffer (5) for wear and damage. | If wear or damage is present. ↓ Replace stop buffer (5). |
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| 15 | If components bearing previously applied markings are replaced, transfer these markings to the new parts. | ||
| Clean | |||
| 16 | Clean upper spring retainer (2), lower spring retainer (3), rear axle spring (4) and stop buffer (5). | When reinstalling the components. | |
| 17 | Clean contact surfaces on body and on rear axle. | ||
| Install | |||
| 18 | Clamp rear axle spring (4) with tensioning device (6) and clamping plates (7, 8). | Fig 2 | |
| Fig 4 | |||
| Fig 3 | |||
| 19 | Check installation position of upper spring retainer (2), lower spring retainer (3) and rear axle spring (4) relative to body and to rear axle based on markings applied, and align if necessary. | ||
| 20 | Put stop buffer (5) loosely on lower spring retainer (3). | ||
| 21 | Insert rear axle spring (4) and position on lower spring retainer (3). | ||
| 22 | Unclamp rear axle spring (4) via tensioning device (6) and check correct installation position of spring ends on upper spring retainer (2) or lower spring retainer (3). | The spring ends (arrows B, C) must lie completely on the upper spring retainer (2) or lower spring retainer (3). If the installation position is not correct, ↓ Correct installation position by re-clamping rear axle spring (4) with tensioning device (6). |
Fig 2 |
| 23 | Remove tensioning device (6) with adapter plates (7, 8). | Fig 2 | |
| Fig 4 | |||
| Fig 3 | |||
| 24 | Screw in stop buffer (5) and tighten via holes (arrows A) using a suitable tool. | ||
| 25 | Raise rear axle. | ||
| 26 | Install shock absorbers (1) on rear axle. | AR32.25-P-0110XG | |
| Check | |||
| 27 | Check vehicle level at front and rear axles using electronic inclinometer. | AR40.20-P-0302XG |