- Engines:
- G3606 (S/N: 3XF)
G3608 (S/N: 4WF)
G3612 (S/N: 1YG)
G3616 (S/N: 4CG)
Description of Change: New tube clips are used to secure the oil lines for the Hydrax wastegate actuators on these engines. The new clips provide improved support. New brackets and related parts are also used to provide improved support. These improvements help reduce vibration of the oil lines.
Adaptable To: The new clips and related components are effective with the engines that are listed in Table 1.
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Table 1
| Effectivity of the Changes to the Engine Oil Lines Groups |
| Engine Model |
Effective Serial Numbers |
Engine Oil Lines Groups |
| G3606 |
S/N:3XF251-UP
|
149-3931 |
| 142-5067 |
| G3608 |
S/N:4WF159-UP
|
141-9902 |
| G3612 |
S/N:1YG198-UP
|
148-7632 |
| G3616 |
S/N:4CG178-UP
|
148-7633 |
Earlier engines can be updated by installing the new components. The new parts are listed in Tables 2 through 4. The new parts are shown in the following illustrations.
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Table 2
| Component Changes to the 142-5067 Engine Oil Lines Group and the 141-9902 Engine Oil Lines Group |
| Item |
Qty |
New Pt. No. |
Description |
Former Pt. No. |
| 1 |
2 |
8T-1885 |
Clip |
1B-3057 |
| 2 |
2 |
8T-1886 |
Clip |
--- |
| 3 |
2 |
7C-8246 |
Spacer |
1V-6256 |
| 4 |
2 |
0S-1594 |
Bolt |
--- |
| 5 |
4 |
3V-3308 |
Hard Washer |
--- |
| 6 |
2 |
9S-8752 |
Full Nut |
--- |
| 7 |
2 |
8T-1887 |
Clip |
5K-9660 |
| 8 |
2 |
8T-1888 |
Clip |
--- |
| 9 |
1 |
176-3591 |
Bracket |
131-7748 |
| 10 |
1 |
184-5288 |
Tube |
141-9903 |
| 11 |
1 |
184-5287 |
Tube |
131-9378 |
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|
 |
|
| Illustration 1 | g00710378 |
This illustration shows the new components in the 142-5067 Engine Oil Lines Group (G3606) and the 141-9902 Engine Oil Lines Group (G3608). The rear view of the engine is shown. |
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|
 |
|
| Illustration 2 | g00710386 |
This illustration shows the new components in the 149-3931 Engine Oil Lines Group. This lines group is used on G3606 Engines. This view is from the left rear of the engine. (A) Rearmost cylinder head
|
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Table 3
| Component Changes to the 149-3931 Engine Oil Lines Group |
| Item |
Qty |
New Pt. No. |
Description |
Former Pt. No. |
| 7 |
2 |
8T-1887 |
Clip |
5K-9660 |
| 8 |
2 |
8T-1888 |
Clip |
--- |
| 9 |
1 |
176-3591 |
Bracket |
131-7748 |
| 11 |
1 |
184-5287 |
Tube |
131-9378 |
For G3612 and G3616 Engines, refer to Illustrations 3 and 4. Remove the two
4H-2633 Clips (12) and the two brackets (13). Then install the parts that are listed in Table 4.
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|
 |
|
| Illustration 3 | g00707326 |
This illustration shows the clips that must be removed from the 148-7632 Engine Oil Lines Group and the 148-7633 Engine Oil Lines Group on Vee engines. This is a view of the right rear of the engine. |
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|
 |
|
| Illustration 4 | g00707332 |
This illustration shows the parts that should be installed to update the 148-7632 Engine Oil Lines Group and the 148-7633 Engine Oil Lines Group on Vee engines. This is a view of the right rear of the engine. |
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Table 4
| Parts that Are Necessary to Update the 148-7632 Engine Oil Lines Group and the 148-7633 Engine Oil Lines Group |
| Item |
Qty |
Part Number |
Description |
| 1 |
2 |
8T-1885 |
Clip |
| 2 |
2 |
8T-1886 |
Clip |
| 14 |
2 |
176-3592 |
Bracket |
