Volvo Workshop Manuals
V70R AWD L5-2.3L Turbo VIN 52 B5234T6 (1998)
Engine, Cooling and Exhaust > Engine > Timing Components > Timing Belt Tensioner > Component Information > Technical Service Bulletins > Page 2199
Timing Belt Tensioner: Description and Operation
Mechanical Camshaft Belt Tensioner
All B52XXX engines are equipped with a mechanical camshaft belt tensioner which replaces the old hydraulic tensioner (as of week 32 1997).
Rationalization: quality improvement.
The camshaft belt tensioners are adjusted using an eccentric to obtain the correct belt tension.
Check belt tension at every 30,000 mile / 45,000 km service.
The timing belt and camshaft belt tensioner replacement interval is 80,000 miles / 120,000 km as before.
There are 2 new timing belts for the new belt tensioner depending on engine variant:
For 10 valves = Yellow text (138 teeth x 0.9 in.)
For 20 valves = Red text (142 teeth x 0.9 in.)
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