NHTSA ID Number: 10115478
Manufacturer Communication Number: IK1201276
TSB/Document Date: 2017-08-16
Summary
Crankcase Pressure Test & Spec
IK1201276 Crankcase Pressure Test & Spec For 2004 MY Emissions DT 466/570 Engi... Page 1 of 6
Countries:
CANADA, UNITED STATES Document ID: IK1201276
Availability:
ISIS, Bus ISIS, FleetISIS
Revision:
0
Major System:
Created:
3/5/2015
Current Language: English
Last Modified: 3/20/2015
Other Languages: NONE
Author:
Viewed:
Dan Myers
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Title : Crankcase Pressure Test & Spec For 2004 MY Emissions DT 466/570 Engines
Applies To : 2004 MY Emissions DT 466/570 Engines ESN 2,000,001 Thru 2,999,999
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
03/05/2015 - Initial Article Release
DESCRIPTION
This document provides the Crankcase Pressure (Blow-by) Test Procedure and Specification for
acceptable Crankcase Pressure for 2004-2006 MY DT466/570 engines
SYMPTOMS
DTC/Light
Description
Not Applicable
Customer Observations or Concerns:
•
•
•
•
Excessive Gas Vapors/White Smoke From The Road Draft Tube
Engine Oil Leaking From The Road Draft Tube
Engine Oil Fill Cap/Dipstick Blows Out Of The Tube
Engine Oil Consumption
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SPECIAL TOOLS
Tool
Description
Gauge Bar
Tool
Crankcase
Pressure
Test Adapter
Slack Tube
Manometer
Tool Number Comments
Instructions
ZTSE4409
ZTSE4039
ZTSE2217A
SERVICE PARTS INFORMATION
Kit Description
Part Number
Quantity
Notes
Required
Not Applicable
OVERVIEW
• Special Tools
• Diagnostic Procedure
• Specifications
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DIAGNOSTICS
Not Applicable
REPAIR STEPS
1. Park vehicle on level ground.
2. Make sure the engine oil level is not above operating range and the oil level gauge is secure.
3. Make sure the breather tube is clean, secure and not leaking.
4. Make sure all hoses are secure and not leaking.
5. Install crankcase pressure test adapter to the road draft tube
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Specification < 6" H2O
NOTE: If the engine has a breather extension tube, the extension tube must be removed before testing.
To avoid serious personal injury, possible death or damage to
the engine or vehicle, comply with the following:
When routing test line, do not crimp the line, run the line too close to moving parts,
or let the line touch hot engine surfaces.
Test line must be free of fluid – the magnehelic gauge can be damaged.
6. Connect test line from the crankcase pressure test adapter to the magnehelic gauge on the gauge bar or to a water
manometer
To avoid serious personal injury, possible death or damage to
the engine or vehicle, comply with the following:
When running the engine in the service bay, make sure the parking brake is set, the transmission
is in neutral,
and the wheels are blocked.
7. Run engine to reach normal engine operating temperature 77°C (170°F) or higher before measuring crankcase pressure.
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8. Run engine at high idle (no load) RPM. Allow the gauge reading to stabilize before taking pressure readings.
If pressure is below specification, continue Performance Diagnostics
If pressure is above specification, continue with step 9.
9. If engine has an air compressor, remove discharge airline and retest.
•
•
•
•
•
•
If pressure is below specification, repair or replace air compressor
If pressure is above specification, continue with step 10
Disconnect VGT (Variable Geometry Turbocharger) control module and retest
If pressure is below specification, reconnect the VGT control module and retest during AMS
(Air Management System) test to see if crankcase pressure
increases as turbocharger demand increases.
If pressure fluctuates above and below specifications, as the VGT is cycling, replace the turbocharger.
If disconnecting or cycling the turbocharger does not bring pressure below specification, continue with step
11
10. Perform RCT (relative compression test) to pin point suspect cylinders.
11. Perform injector disable test to further pin point suspect cylinders.
12. Inspect air induction for dirt ingestion.
WARRANTY INFORMATION
Warranty Claim Coding:
Group: 12000 - Engine
Noun: 053 - Crankcase
Standard Repair Time(s):
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IK1201276 Crankcase Pressure Test & Spec For 2004 MY Emissions DT 466/570 Engi... Page 6 of 6
Chassis
Engine
SRT
Hours
Performance Diagnostics 16 Crankcase Pressure
BE/CE
DT 466/570
G122062H
.1
Performance Diagnostics 16 Crankcase Pressure
RE
DT 466/570
I12-2062H
.1
Performance Diagnostics 16 Crankcase Pressure
4300
DT 466/570
K12-2062H
.1
Performance Diagnostics 16 Crankcase Pressure
4400
DT 466/570
L12-2062H
.1
Performance Diagnostics 16 Crankcase Pressure
7300, 7400, 7500 DT 466/570
M122062H
.1
Performance Diagnostics 16 Crankcase Pressure
8500
DT 466/570
P12-2062H
.1
Performance Diagnostics 16 AddOn W/Hydraulic Brakes 4300
DT 466/570
K12-2046H-1 .1
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Copyright © 2015 Navistar, Inc.
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TSB/Document ID: IK1201276
Replacement Service Bulletin Number:
MFR Communication Date: 2015-03-20
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
MFR Component System:
MFR Component Subsystem:
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