Hydraulic belt tensioner overhaul (page 3 of 3)
- Make
- Alfa Romeo
- Model
- 155 Factory Service Manual
- Year
- 1992–1998
- Section
- Hydraulic belt tensioner overhaul
Engine – mechanical (V6)Hydraulic belt tensioner overhaul · page 3 of 3
- Remove the piston stem guide
- Remove the O-ring.
- Check spring "A" (which acts on the piston) and spring "B" (which preloads the hydraulic belt tensioner) and check that the characteristic data conform to the prescribed values.
| Sprong A | Spring B | |
|---|---|---|
| Useful number of turns | 12 | 9 |
| Length of free spring | 93 mm | 45.5 mm |
| Static test load | 93,2 N (9.5 kg) | 98 N (10 kg) |
| Length of loaded spring | 48 mm | 30mm |
- Reassemble the hydraulic belt tensioner by reversing the disassembly procedure.
CAUTION: The oil seals should be replaced each time the belt tensioner is overhauled.
Parts & tools for this job For 1992 Alfa Romeo 155
- PARTEngine gasket setSearch: Alfa Romeo 155 1992 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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