Hydraulic belt tensioner spring
- Make
- Alfa Romeo
- Model
- 155 Factory Service Manual
- Year
- 1992–1998
- Section
- Oil pressure relief valve spring › Hydraulic belt tensioner spring
Engine – mechanical (V6)Hydraulic belt tensioner spring
| Length of spring at rest (a) | 54 mm | |
|---|---|---|
| Length of spring under test loading (b) | STATIC | 36 mm |
| DYNAMIC | 28 mm | |
| Test loading | STATIC | 36 N (14.6 kg) |
| DYNAMIC | 28 N (21 kg) | |
| Wire diameter (c) | 2.1 mm | |
| Spring diameter (d) | 16.3 mm |
Hydraulic belt tensioner spring
| Number of serviceable turns | 12 | |
|---|---|---|
| Spring A (piston) | Length of spring at rest | 93 mm |
| Length of loaded spring | 48 mm | |
| Static control loading | 93.16 N (9.5 kg) | |
| Number of serviceable turns | 9 | |
| Spring B (pre-loading) | Length of spring at rest | 45.5 mm |
| Length of loaded spring | 30 mm | |
| Static control loading | 98 N (10 kg) |
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