79-00-00
page 20
October 01/2010
Effectivity 914 Series
Edition 1 / Rev. 3
d04782
BRP-Powertrain
Maintenance Manual
Tighten the ring hose nipple with 15 Nm (133 in.lb). In the case of a
model with a screw socket tighten with 25 Nm (18.5 ft.lb). Tighten oil
temperature sensor (16) with LOCTITE 243 and a torque of 7 Nm (62
in.lb).
Also fit oil pressure sensor (17) secured with LOCTITE 243. Tightening
torque 15 Nm (133 in.lb). Grease the threads of the banjo bolts (6) and
(2) and tighten with 12 Nm (106 in.lb).
3.2) Pressure check valve (only on 914 Series)
See Fig. 79-14.
Remove banjo bolt (1) M8 with sealing rings (2) 8x13.
◆ NOTE: The valve housing (3) is only removed in the event of damage
or for cleaning.
Remove ball (4) 5.5 and pressure spring (5), 22 mm long, from the valve
housing.
◆ NOTE: The banjo bolt together with the ball and spring serve as a
pressure check valve. For further information, see 79-00-00
sec. 2.3. At present it is possible to control the pressure check
valvue by testing for an opening pressure (via oil) of 0.4 bar (+/
- 0.05)
Clean all components and inspect them visually.
Also check thread and flange surface of turbocharger housing.
If there is leakage at the valve seat (6), it can be reworked with valve lapping
paste or other suitable method. If necessary, replace banjo bolt.
Reassembly in reverse order.
Screw valve housing (3) with sealing ring (7) 12x18 into turbocharger housing
and tighten to 25 Nm (18.5 ft.lb).
Fig. 79-14
00075
6
7
8
1
2
3
4
5
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