24 When the tension is correct, tighten the
idler pulley retaining nut to the specified
torque and lower the car to the ground.
Alternator/power steering pump/air
conditioning compressor drivebelt
(“T” series engines)
25 “T” series engines are fitted with an
automatic drivebelt tensioner incorporating a
wear indicator to show when the belt has
stretched too far for the tensioner to maintain
correct adjustment (see illustration).
26 To check the tension, observe the wear
indicator and make sure that the pointer has
not reached the right-hand end of the slot. If it
hasn’t, all is well, and no further action is
necessary; if it has, renew the belt.
Drivebelt tension - V6 engines
Alternator drivebelt
27 Undo the three bolts and one nut securing
the power steering pump and alternator pulley
covers to the top of the engine. Move the
pipes and cables clear and lift off the covers
(see illustration).
28 The belt tension is correct when it is just
possible to deflect the belt by 18 to 22 mm at
the mid-point of its run, under moderate finger
pressure. If adjustment is required, proceed
as follows.
29 Slacken the alternator side pivot bolt and
lower mounting nut, then turn the adjusting
bolt on the side of the unit as necessary to
achieve the correct tension (see
illustrations).
30 Tighten the pivot and mounting nuts and
bolts and refit the covers to the top of the
engine.
Power steering pump drivebelt
31 Undo the three bolts and one nut securing
the power steering pump and alternator pulley
covers to the top of the engine. Move the
pipes and cables clear and lift off the covers.
32 The belt tension is correct when it is just
possible to deflect the belt by 18 to 22 mm at
the mid-point of its run, under moderate finger
pressure. If adjustment is required, proceed
as follows.
33 Slacken the pump adjusting nut and
mounting bolt, then engage the end of a
1/2 inch square drive socket bar in the hole at
the rear of the large lug on top of the pump
(see illustrations). Using the bar, move the
pump as necessary, until the belt tension is
correct, then tighten the adjusting and
mounting nut and bolt.
Air conditioning compressor drivebelt
34 The belt tension is correct when it is just
possible to deflect the belt by 7 to 9 mm at a
point mid-way between the crankshaft pulley
and the tensioner jockey wheel, under
1•18 Every 12 000 miles
16.33b . . . then engage the end of a
socket bar in the lug on top of the pump to
adjust the belt
16.29a . . . slacken the alternator side
pivot bolt (arrowed) . . .
16.33a Slacken the V6 engine power
steering pump adjusting nut . . .
16.29b . . . and lower mounting nut
(arrowed), then turn the adjusting bolt to
achieve the correct tension
16.27 On V6 engines, remove the pulley
covers over the top of the engine . . .
16.25 Drivebelt adjustment details on “T” series engines
1 Wheelarch cover retaining
bolts
2 Wheelarch cover
3 Tensioner wear indicator
4 Releasing the tensioner for
belt renewal
5 Drivebelt
1380 Rover 800 Series Remake
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