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.
ITB22-038D
93.
Install the catalyst converter support bracket bolt and torque to specification.
Bolt torque: 47.8 N•m (4.9 kg-m, 35 ft-lb)
Support
bracket bolt
Figure 60
94.
Torque the Catalyst Converter (bank 1) to the turbocharger outlet band clamp bolt to
specification.
95.
Bolt torque: 15 N•m (1.5 kg-m, 11 ft-lb)
Torque the oil feed tube eye bolt to specification.
Bolt torque: 25.0 N•m (2.6 kg-m, 18 ft-lb)
Eye bolt
Oil feed tube
Figure 61
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ITB22-038D
96.
Reinstall the water tube bracket bolt (Figure 62) and torque to specification.
97.
Bolt torque: 9.0 N•m (0.92 kg-m, 80 in.-lb)
Reinstall the coolant hose and its spring clamp (Figure 62).
Water tube
bracket bolt
Figure 62
98.
Reinstall the two (2) exhaust mount bolts shown in Figure 63 finger tight.
Exhaust mount
bolts (2)
Figure 63
29/67
ITB22-038D
99.
Torque the Catalyst Converter (bank 1) to 2nd Catalyst Converter (bank 1) nuts that
were finger tightened, in step 91 on page 27, to specifications.
Nut torque: 44.9 N•m (4.6 kg-m, 33 ft-lb)
100. Torque the two (2) exhaust mount bolts installed finger tight in step 98 on page 29 to
specification.
Bolt torque: 44.9 N•m (4.6 kg-m, 33 ft-lb)
Catalyst Converter
nuts (3)
Figure 64
101. Reinstall Heat Insulator (upper) with five (5) bolts.
Bolt torque: 9.0 N•m (0.92 kg-m, 80 in.-lb)
Heat Insulator
(upper) bolts (5)
Heat Insulator
(upper)
Figure 65
30/67
ITB22-038D
102. Install a new A/F sensor from PARTS INFORMATION, torque it to specification and
then reconnect its wiring harness connector.
A/F sensor torque: 50 N•m (5.1 kg-m, 37 ft-lb)
A/F sensor
Figure 66
103. Tighten the hose clamp (Figure 67).
Torque hose clamp to 7.0 N•m (0.71 kg-m, 62 in-lb)
104. Reconnect the two (2) hoses (Figure 67).
105. Reconnect the wiring harness connector (Figure 67).
106. If the Turbocharger Exhaust Gas Temperature Sensor (bank 1) wiring harness
connector was disconnected in step 75 on page 22, then reconnect it.
Hose clamp
Hoses (2)
Wiring harness
connector
Figure 67
31/67
ITB22-038D
Remove the Driver (LH) Side Turbocharger
107. Loosen the hose clamp shown in Figure 68. This hose will be detached in step 124 on
page 36.
108. Release the spring clamps and disconnect the three (3) associated hoses, shown in
Figure 68.
109. Disconnect the wiring harness connector shown in Figure 68.
Hoses (3)
Hose clamp
Wiring harness
connector
Figure 68
110. Unplug the A/F sensor wiring harness connector, and then remove the A/F sensor
from the turbocharger housing.
A/F sensor
Harness connector
Figure 69
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ITB22-038D
111. If present, unplug the Turbocharger Exhaust Gas Temperature Sensor (Bank 2) wiring
harness connector, and then remove the sensor from the turbocharger housing.
112. Remove the turbocharger Heat Insulator (upper).
Heat Insulator
(upper)
Heat Insulator
bolts (4)
Figure 70
113. Remove the two (2) nuts that connect the Catalyst Converter (bank 2) to the 2nd
Catalyst Converter (bank 2).
Catalyst Converter
nuts (2)
Figure 71
33/67
ITB22-038D
114. Remove the Catalyst Converter (bank 2) support bracket bolt.
Support
bracket bolt
Figure 72
115. Remove the 2nd Catalyst Converter (bank 2) support bracket bolt.
Support
bracket bolt
Figure 73
34/67
ITB22-038D
116. Loosen the turbocharger assembly mounting nuts in order, from 1 to 4, as shown in
Figure 74.
117. Remove the band clamp bolt.
4
Turbocharger
mount nuts (4)
2
1
3
Band clamp
bolt
Figure 74
118. Detach Catalyst Converter (bank 2) from the turbocharger outlet.
119. Release the spring clamp and disconnect the associated oil return hose shown in
Figure 75.
Oil return hose
Figure 75
35/67
ITB22-038D
120. Remove the eye bolt retaining the oil feed tube.
Eye bolt
Figure 76
121. Remove both the A/C High-Pressure Flexible Hose and then the Low-Pressure Pipe 2
from the A/C compressor (Figure 77).
122. Remove the Oil Feed Tube mounting bracket bolt shown in Figure 77.
Low-Pressure
Pipe 2
Oil Feed Tube mounting
bracket bolt
High-Pressure
Flexible Hose
A/C
compressor
Figure 77
123. If present, disconnect the Turbocharger Speed Sensor (Bank 2) wiring harness
connector.
124. Remove the turbocharger from the engine and place it on a clean workbench.
36/67
ITB22-038D
125. 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 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 2):
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 (3).
1 hidden in Figure
Oil return pipe bolts (2).
1 hidden in Figure
Figure 78
37/67
ITB22-038D
Reinstall the Driver (LH) Side Turbocharger
126. If present, reconnect the Turbocharger Speed Sensor (Bank 2) wiring harness
connector.
127. Install and temporarily tighten the eye bolt for the oil feed tube, with a new gasket
(Figure 79).
Eye bolt
Oil feed tube
Figure 79
128. Reattach the Oil Feed Tube mounting bracket bolt (Figure 80), and then torque to
specification.
Bolt torque: 9.0 N•m (0.92 kg-m, 80 in.-lb)
Oil Feed Tube
mounting bracket bolt
A/C
compressor
Figure 80
38/67
ITB22-038D
129. Align the turbocharger Air Inlet Hose 1 (bank 2) with the turbocharger output, and then
slide the turbocharger onto its mounting studs.
Leave the turbocharger Air Inlet Hose 1 (bank 2) clamp loose at this time.
Replace the turbocharger to cylinder head gasket with a new one from PARTS
INFORMATION.
130. Reconnect the wiring harness connector shown in Figure 81.
131. Reconnect the three (3) hoses shown in Figure 81.
Hoses (3)
Wiring harness
connector
Hose clamp
Figure 81
132. Reconnect the oil return hose and spring clamp.
Oil return hose
Figure 82
39/67
ITB22-038D
133. Install all four (4) turbocharger mount nuts, and then torque them in the order
(from 1 to 6) shown in Figure 83.
Nut torque: 30.5 N•m (3.1 kg-m, 22 ft-lb)
134. Align the Catalyst Converter (bank 2) with 2nd Catalyst Converter (bank 2) studs and
install the nuts finger tight.
135. Reattach the Catalyst Converter (bank 2) to the turbocharger outlet, and then lightly
tighten the band clamp bolt just enough to align catalyst, but allow it to rotate.
Band clamp will be torqued in step 138 on page 42.
1, 5
Turbocharger
mount nuts (4)
4
3
2, 6
Band clamp
bolt
Figure 83
40/67
ITB22-038D
136. Reinstall the 2nd Catalyst Converter (bank 2) support bracket bolt finger tight.
Support
bracket bolt
Figure 84
137. Reinstall the Catalyst Converter (bank 2) support bracket bolt finger tight.
Support
bracket bolt
Figure 85
41/67
ITB22-038D
138. Torque the Catalyst Converter (bank 2) to the turbocharger outlet band clamp bolt to
specification.
Bolt torque: 15 N•m (1.5 kg-m, 11 ft-lb)
139. Torque the 2nd Catalyst Converter (bank 2) support bracket bolt to specification.
Bolt torque: 47.8 N•m (4.9 kg-m, 35 ft-lb)
140. Torque the Catalyst Converter (bank 2) support bracket bolt to specification.
Bolt torque: 47.8 N•m (4.9 kg-m, 35 ft-lb)
141. Torque the oil feed tube eye bolt (Figure 86) to specification.
Bolt torque: 25.0 N•m (2.6 kg-m, 18 ft-lb)
Eye bolt
Oil feed tube
Figure 86
42/67
ITB22-038D
142. Torque the Catalyst Converter (bank 2) to 2nd Catalyst Converter (bank 2) nuts that
were finger tightened, in step 134 on page 40, to specification.
Nut torque: 44.9 N•m (4.6 kg-m, 33 ft-lb)
Catalyst Converter
nuts (2)
Figure 87
143. Reinstall Heat Insulator (upper) with four (4) bolts.
Bolt torque: 9.0 N•m (0.92 kg-m, 80 in.-lb)
Heat Insulator
(upper)
Heat Insulator
bolts (4)
Figure 88
43/67
ITB22-038D
144. Install a new A/F sensor from PARTS INFORMATION, torque it to specification and
then reconnect its wiring harness connector.
A/F sensor torque: 50 N•m (5.1 kg-m, 37 ft-lb)
A/F sensor
Harness connector
Figure 89
145. Tighten the hose clamp shown in Figure 90.
Torque hose clamp to 7.0 N•m (0.71 kg-m, 62 in-lb)
Hose clamp
Figure 90
44/67
ITB22-038D
146. Reattach the Low-Pressure Pipe 2 and then the A/C High-Pressure Flexible Hose to
the A/C compressor (Figure 91) and then torque to specification.
Nut torque: 13.7 N•m (1.4 kg-m, 10 ft-lb)
Low-Pressure
Pipe 2
A/C
compressor
High-Pressure
Flexible Hose
Figure 91
Reinstall Driveline
147. Carefully raise the driveline back into the vehicle.
148. For AWD vehicles, reinstall the four (4) transverse link bolts; two (2) per side, and
temporarily tighten.
These bolts will be torqued to specification in step 152 on page 47.
Transverse link
bolts (2 per side)
Figure 92
45/67
ITB22-038D
149. Reinstall and temporarily tighten the following nuts and bolts indicated in Figure 93.
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.
The rear engine mounting member bolts.
HINT: Figure 93 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)
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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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