Service Manual
ISB, ISBe and QSB (Common Rail [...] Crankcase Blowby, Measure
Section 14 - Engine Testing - Group 14 Page 14-43
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Determine the turbocharger blowby pressure contribution by determining the
difference in the blowby pressure measurement with the turbocharger drain
isolated, valve (A) open, and turbocharger drain not isolated, valve (A) closed.
Blowby Pressure Differential
Turbocharger Blowby Contribution Maximum: 30 percent
If the turbocharger blowby contribution is out of specification, inspect the
compressor and turbine areas of the turbocharger for signs of an oil leak. Replace
the turbocharger, if necessary.
• Use the following procedure in the C Series Engines Troubleshooting and
Repair Manual, Bulletin 3666003. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the B3.9, B4.5, B4.5 RGT, and B5.9 Service
Manual, Bulletin 3666087. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISB and QSB5.9-44 Engines
Troubleshooting and Repair Manual, Bulletin 3666193. Refer to Procedure
010-033 in Section 10.
• Use the following procedure in the ISBe, ISB, and QSB (Common Rail Fuel
System) Service Manual, Bulletin 4021271. Refer to Procedure 010-033 in
Section 10.
• Use the following procedure in the Industrial QSB3.9-30, QSB4.5-30, and
QSB5.9-30 Series Engines Troubleshooting and Repair Manual, Bulletin
4021398. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and
QSL9 Engines Troubleshooting and Repair Manual, Bulletin 4021418. Refer to
Procedure 010-033 in Section 10.
• Use the following procedure in the B3.3 and QSB3.3 CM2150 Service Manual,
Bulletin 4021540. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISC and ISL CM2150 Service Manual,
Bulletin 4021569. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISB CM2100 and CM2150 Service Manual,
Bulletin 4021578. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISBe and ISDe CM2150 Service Manual,
Bulletin 4021597. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISLe CM2150 Service Manual, Bulletin
4021630. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISL G CM2180 Service Manual, Bulletin
4021649. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISF3.8 CM2220, ISF3.8 CM2220 AN and
ISF3.8 CM2220 IAN Service Manual, Bulletin 4021704. Refer to Procedure
010-033 in Section 10 (single turbocharger). Refer to Procedure 010-034 in
Section 10 (dual turbocharger). Refer to Procedure 010-035 in Section 10
(dual turbocharger).
• Use the following procedure in the ISB4.5, ISB6.7, ISD4.5 and (dual
turbocharger applications) ISD6.7 CM2150 SN Service Manual, Bulletin
4022188. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the B4.5s and B6.7s Series Engines
Troubleshooting and Repair Manual, Bulletin 4095243. Refer to Procedure
010-033 in Section 10.
• Use the following procedure in the ISF2.8 CM2220, ISF2.8 CM2220E, ISF2.8
CM2220 AN and ISF2.8 CM2220 IAN Service Manual, Bulletin 4022178 for
single turbocharger applications. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISB6.7 Service Manual, Bulletin 4022254.
Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISB6.7 CM2350 B101 Service Manual,
Bulletin 2883567. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISB4.5 CM2350 B104 Service Manual,
Bulletin 4332646. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISB6.7 CM2350 B103 Service Manual,
Bulletin 4332641. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the QSB6.7 CM2350 B105 Service Manual,
Bulletin 4332778. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the QSL9 CM2350 L102 Service Manual,
Bulletin 4332796. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISF3.8 CM2220 F110 Service Manual,
Bulletin 4358480. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the ISL9 CM2350 L101 Service Manual,
Bulletin 4310787. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the QSL9 M CM2250 L106 Service Manual,
Bulletin 4358343. Refer to Procedure 010-033 in Section 10.
• Use the following procedure in the QSB6.7 CM2350 B112 Service Manual,
Bulletin 4358498. Refer to Procedure 010-033 in Section 10.