NHTSA ID Number: 11014066
Manufacturer Communication Number: ITB22-038D
TSB/Document Date: 2025-02-10
Summary
TURBOCHARGER REPLACEMENT PROCEDURE APPLIED ENGINES: VR30DDTT IF YOU CONFIRM One or both turbochargers require replacement. ACTION 1. Replace the affected turbocharger(s). Refer to the SERVICE PROCEDURE in this bulletin for the updated procedure. IMPORTANT: You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. 2. Refer to step 212 in the SERVICE PROCEDURE to confirm if the ECM needs to be reprogrammed. 2016-2024 Q50 and 2017-2021 Q60 will require ECM reprogramming at the end of this SERVICE PROCEDURE. 3. If the ECM part number is in Table A (page 61 and 63), reprogram the ECM. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
knuckle nut and bolt
47.
Remove the top steering knuckle nuts
and remove both bolts.
Figure 31
48.
Remove the Shock Absorber Arm to
the Transverse Link nuts and both
bolts.
AWD shown in Figure 32. The
2WD bolt is in the same location.
Shock Absorber Arm
Link nut and bolt
Figure 32
13/67
ITB22-038D
49.
Raise the vehicle to a comfortable height to disconnect the undercarriage
components.
50.
Remove the two (2) nuts and bolts that
connect the Exhaust Front Tube to the
Center Muffler, where shown in
Figure 33.
51.
52.
For AWD vehicles, the Center
Muffler will remain attached to the
vehicle.
For 2WD only, remove the complete
propeller shaft
from the vehicle.
Exhaust
Front Tube
Nuts and
bolts (2)
Refer to the ESM: REPAIR >
TRANSMISSION & DRIVELINE >
DRIVELINE > REMOVAL AND
INSTALLATION > REAR
PROPELLER SHAFT
Center
Muffler
Figure 33
For AWD vehicles, remove the four (4)
nuts and bolts that connect the
propeller shaft to the transmission,
and then disconnect the propeller
shaft from transmission.
The propeller shaft will remain
attached to the final drive.
One (1) hidden nut/bolt in
Figure 34.
Figure 34
53.
Disconnect the transmission's Control Rod.
Remove the Snap Pin to separate the Control Rod.
AWD
2WD
Snap Pin
Snap pin
Control Rod
Control Rod
Figure 35
14/67
ITB22-038D
54.
Secure the steering wheel, so that it
cannot rotate.
55.
Remove one (1) bolt, and then
disconnect the steering shaft from the
steering rack.
HINT: The bolt location and
component view may differ based on Steering rack
the type of steering system.
Figure 36
56.
Disconnect the power steering wiring
harness connector, if present.
Electric power steering type shown
in Figure 37.
Located on either the driver (LH)
side or passenger (RH) side of the
front corner of the front suspension
member.
Figure 37
57.
Detach the A/T fluid cooler hoses.
A/T fluid
cooler hoses
Figure 38
15/67
ITB22-038D
58.
If the vehicle has an oil cooler, disconnect Oil Cooler Hose 1 and Oil Cooler Hose 2.
Oil Cooler
Hose 1
Figure 39
59.
Figure 40
Place a driveline support table under
the driveline, and raise to support the
driveline.
Figure 41
16/67
ITB22-038D
60.
Remove the four (4) rear engine mounting member bolts (Figure 42).
61.
Remove the front suspension member nuts and bolts indicated in Figure 42.
AWD has a total of four (4) front suspension member nuts.
2WD has two (2) front suspension member nuts.
Two (2) front suspension member bolts (both AWD and 2WD).
AWD only: Two (2) front cross bar bolts.
HINT: Figure 42 is of an AWD vehicle. Nut and bolt locations are similar for 2WD.
Front suspension
member bolts (2).
All grades.
Front suspension
member nuts:
AWD (total of 4)
2WD (2)
AWD only
Front suspension
member nuts (2)
AWD only
Front cross bar
bolts (2)
Rear engine
mounting member
bolts (4).
All grades.
Figure 42
17/67
ITB22-038D
62.
For AWD vehicles, remove the four (4) transverse link bolts; two (2) per side.
Transverse link
bolts (2 per side)
Figure 43
63.
Carefully lower the complete driveline away from the vehicle.
18/67
ITB22-038D
Remove the Passenger (RH) Side Turbocharger
64.
Loosen the Air Inlet Hose clamp shown in Figure 44. This hose will be detached in
step 81 on page 24.
65.
Release the spring clamps and disconnect the two (2) associated hoses, shown in
Figure 44.
66.
Disconnect the wiring harness connector shown in Figure 44.
Hose clamp
Hoses (2)
Wiring harness
connector
Figure 44
67.
Unplug the A/F sensor wiring harness connector, and then remove the A/F sensor
from the turbocharger housing.
68.
If present, unplug the Turbocharger Exhaust Gas Temperature Sensor (Bank 1) wiring
harness connector, and then remove the sensor from the turbocharger housing.
A/F sensor
Figure 45
19/67
ITB22-038D
69.
Remove the turbocharger Heat Insulator (upper).
Heat Insulator
(upper)
Heat Insulator
bolts (5)
Figure 46
70.
Remove the two (2) exhaust mount bolts shown in Figure 47.
Exhaust mount
bolts (2)
Figure 47
20/67
ITB22-038D
71.
Remove the three (3) nuts that connect the Catalyst Converter (bank 1) to the 2nd
Catalyst Converter (bank 1).
Catalyst Converter
nuts (3)
Figure 48
72.
Remove the Catalyst Converter (bank 1) support bracket bolt.
Support
bracket bolt
Figure 49
21/67
ITB22-038D
73.
Release the spring clamp and disconnect the associated coolant hose shown in
Figure 50.
74.
Remove the water tube bracket bolt (Figure 50).
Water tube
bracket bolt
Figure 50
75.
If present, disconnect the Turbocharger Speed Sensor (Bank 1) wiring harness
connector (not shown).
76.
Loosen the turbocharger assembly mounting nuts in order, from 1 to 4, as shown in
Figure 51.
77.
Remove the band clamp bolt.
Turbocharger
mount nuts (4)
2
4
1
3
Band clamp
bolt
Figure 51
22/67
ITB22-038D
78.
Detach Catalyst Converter (bank 1) from the turbocharger outlet.
79.
Release the spring clamp and disconnect the associated oil return hose shown in
Figure 52.
Oil return hose
Figure 52
80.
Remove the eye bolt retaining the oil feed tube.
Eye bolt
Figure 53
23/67
ITB22-038D
81.
Detach the Air Inlet Hose from the turbocharger.
82.
Gently remove the turbocharger from its mounting studs so that the oil line mounting
bracket bolt can be reached (Figure 54).
83.
Remove the oil feed tube mounting bracket bolt shown in Figure 54.
Oil feed tube mounting
bracket bolt
Figure 54
84.
Remove the turbocharger from the engine and place it on a clean workbench.
24/67
ITB22-038D
Reinstall the Passenger (RH) Side Turbocharger
85.
Transfer the components from the old to the new turbocharger assembly and torque
to the specifications below.
IMPORTANT: Refer to PARTS INFORMATION for single use parts.
Water tube eye bolt torque: 25.0 N•m (2.6 kg-m, 18 ft-lb)
HINT: One (1) Water tube eye bolt is hidden in Figure 55.
Bracket bolt torque: 9.0 N•m (0.92 kg-m, 80 in.-lb)
Oil Return Pipe 1 bolt torque: 9.0 N•m (0.92 kg-m, 80 in.-lb)
Heat Insulator (lower) bolt torque: 9.0 N•m (0.92 kg-m, 80 in.-lb)
If present, Turbocharger Speed Sensor (bank 1):
o Wiring harness connector bracket to turbocharger torque: 7.0 N•m (0.71 kg-m,
62 in.-lb)
o Wiring harness connector to bracket torque: 2.2 N•m (0.22 kg-m, 19 in.-lb)
Bracket
bolts (2)
Water tube
eye bolts (2)
Heat Insulator
(lower) bolts (2).
1 hidden in Figure
Oil Return Pipe 1
bolts (2).
1 hidden in Figure
Figure 55
25/67
ITB22-038D
86.
Install and temporarily tighten the eye bolt for the oil line, with a new gasket
(Figure 56).
87.
Reattach the oil feed tube mounting bracket with bolt (Figure 56) and torque to
specification.
Bolt torque: 9.0 N•m (0.92 kg-m, 80 in.-lb)
Oil feed tube mounting
bracket bolt
Eye bolt
Figure 56
88.
Align the turbocharger Air Inlet Hose 1 (bank 1) with the turbocharger output, and then
slide the turbocharger onto its mounting studs.
Leave the turbocharger Air Inlet Hose 1 (bank 1) clamp loose at this time.
Replace the turbocharger to cylinder head gasket with a new part from PARTS
INFORMATION.
Air Inlet Hose
1 (bank 1)
Figure 57
26/67
ITB22-038D
89.
Reconnect the oil return hose and spring clamp.
Oil return hose
Figure 58
90.
Install all four (4) turbocharger mount nuts, and then torque them in the order (from 1
to 6) shown in Figure 59.
Nut torque: 30.5 N•m (3.1 kg-m, 22 ft-lb)
91.
Align the Catalyst Converter (bank 1) with 2nd Catalyst Converter (bank 1) studs and
install the nuts finger tight. See PARTS INFORMATION for new gasket.
92.
Reattach the Catalyst Converter (bank 1) to the turbocharger outlet, and then lightly
tighten the band clamp bolt enough to align catalyst, but allow it to rotate.
Turbocharger
mount nuts (4)
3
1, 5
4
2, 6
Band clamp
bolt
Figure 59
27/67
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TSB/Document ID: ITB22-038D
Replacement Service Bulletin Number:
MFR Communication Date: 2025-02-04
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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