Specifications
Volvo Trucks North America, Inc. Date Group No. Page
TSI 9.2003 211 007 18(41)
20
Remove each injector from the protector and install new
O-rings. Coat the sealing rings with clean engine oil.
Note: Remove the bore protector and clean the bore
before installing the injector into the bore (9998251)
9998251
21
W2000718
Fig. 20: Unit injector retaining bolt
Install the unit injectors and center them between the
valve springs. Torque-tighten unit injector hold down bolt
as follows:
•
If using new copper sleeve:
1 Tighten to 20 ± 5 Nm (15 ± 4 ft-lb).
2 Turn bolt 180 ± 5
.
3 Loosen to “0” Nm
4 Tighten 20 ± 5 Nm (15 ± 4 ft-lb).
5 Turn bolt 60 ± 5
.
•
If using old copper sleeve:
1 Tighten to 20 ± 5 Nm (15 ± 4 ft-lb).
2 Turn bolt 60 ± 5
.
22
W2000690
Fig. 21: Unit injector cable connections
Connect the unit injector electrical wires and torque the
nut to 1 ft-lb (1.36 Nm).
CAUTION
DO NOT OVERTIGHTEN. Hold wires while tightening.
If the screws break, the unit injector must be replaced.
Note: Using torque wrench 9999708, torque-tighten the
nut to 1.4 Nm (12 in-lb). Route the unit injector electrical
wires to the outside of the valve cover bolts.
1 ft-lb (1.36 Nm)
1.4 Nm (12 in-lb)










