NHTSA ID Number: 10167215
Manufacturer Communication Number: IK1100032
TSB/Document Date: 2019-11-05
Summary
LT, RH- Hydraulic Clutch Routing and Clipping
IK1100032 - LT, RH- Hydraulic Clutch Routing and Clipping
Page 1 of 9
Countries:
CANADA, UNITED
STATES
Document ID: IK1100032
Availability:
ISIS, NotSIR
Revision:
9
Major System:
CLUTCH
Created:
6/29/2017
English
Last
Modified:
10/2/2019
Author:
David
Horner
Current
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Other Languages: NONE
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Title : LT, RH- Hydraulic Clutch Routing and Clipping
Applies To : LT, RH, Equipped with a Manual Transmission and Eaton
Advantage Solo
Self-Adjusting Clutch
CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
10/02/2019 - Corrected location to bleeding procedure and corrected tool PN
06/10/2019 - Added link to LT manual for clutch bleeding procedure
03/14/2019 - Updated description, steps, formatting
01/09/2018 - New Article Owner
DESCRIPTION
This iKNow article is designed to identify and correct a hydraulic hose route & clip condition that may cause driver
symptoms listed below.
The route and clip condition exists when the hose between the reservoir and master cylinder does not have a
natural horizontal slope angle; thus, creating a sharp vertical slope angle (often referred to as a P Trap) on the hose
which prevents upward air bubble migration to the highest exit point (fluid reservoir) in the system (Figure 1)
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IK1100032 - LT, RH- Hydraulic Clutch Routing and Clipping
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Figure 1. Incorrect Master Cylinder Supply Hose Routing
Item 1: P-trap
Item 2: Master Cylinder Inlet level
SYMPTOM(s)
Customer Observations or Concerns:
Spongy Pedal
Won't go into gear
No clutch brake
Diagnostic Trouble Code(s) & Dashboard Indicator Light(s):
DTC/Light
Description
N/A
N/A
SPECIAL TOOL(s) / SOFTWARE
Tool Description
Hydraulic Clutch Bleeder Tool
Tool Number
ZTSE6087NAV
Solo Clutch Resetting Tool
RR1005CL
Clutch Measurement Tool
RR1007CL
Comments
Instructions
Tool Instructions
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IK1100032 - LT, RH- Hydraulic Clutch Routing and Clipping
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SERVICE PARTS INFORMATION
Kit Description
Part Number
Quantity
Required
CYLINDER, CLUTCH OPERAT,
3868300C94
1
HOSE FLEX HYDRAULIC CLUTCH
3953848C1
1
CLAMP, PIPE SGL-CUSHIONED 7/16 ID
X .281 MOUNTING
98959R1
2
BOLT M6 X 25 PHC CLS 10.9
30194R1
2
M6 X 25
NUT, HEXAGON HEAD FLANGE CLASS
10 M6
40233R1
2
M6 X 25
1696027C1
4
M6
WASHERS, FLAT METRIC
Notes
DIAGNOSTIC STEP(s)
To prevent property damage, personal injury, and / or death, keep flames or sparks away from
vehicle and do not smoke while servicing the vehicle’s batteries. Batteries expel explosive
gases.
To prevent property damage, personal injury, and / or death, remove the ground cable from the
negative terminal of the battery box before disconnecting any electrical components. Always
connect the ground cable last.
To prevent property damage, personal injury, and / or death, if the vehicle must be raised, do not
work under the vehicle supported only by jacks. Jacks can slip or fall over.
To prevent personal injury and / or death, always wear safe eye protection when performing
vehicle maintenance.
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IK1100032 - LT, RH- Hydraulic Clutch Routing and Clipping
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To prevent property damage, personal injury, and / or death, park vehicle on a hard, flat surface,
turn the engine off, set the parking brake, and install wheel chocks to prevent the vehicle from
moving in either direction.
Step Action
If symptoms above are present:
#1
Decision
Continue to Step 2.
1. Perform re-routing procedure (Repair Steps Below)
2. Perform clutch bleeding procedure outlined (Bleed Procedure
Below)
Step Action
DIAGNOSTIC:
Decision
Yes. Continue to Step 3.
Depress the pedal by hand until the master cylinder begins to stroke.
Is clutch pedal free-play between 0.4" and 0.6"?
No. Adjust Clutch Linkage to obtain
0.4" - 0.6" free play, continue to step
3
#2
Step Action
DIAGNOSTIC:
Measure release bearing gap using clutch measurement tool
(RR1007CL), long handle bore micrometer, or inside digital spring
#3 caliper.
• See page 8, step 3 of Eaton Manual for reference, if needed.
Decision
Yes. Continue to Step 4.
No. Perform In Vehicle Resetting
Procedure in the Eaton Manual on
page 14.
Is release bearing gap .490" to .560"?
Step Action
DIAGNOSTIC:
Decision
Yes. Finish repairs and release
truck.
Measure clutch brake squeeze:
#4
1. Insert 0.010" feeler gauge between release bearing and clutch
brake
2. Measure how far the clutch pedal is from the floor at time of
release of 0.010" feeler gauge.
No. Replace master cylinder &
slave cylinder then repeat steps 1-4
See page 9 of Eaton Manual for reference, if needed.
Is clutch brake squeeze ~1" from the floor?
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IK1100032 - LT, RH- Hydraulic Clutch Routing and Clipping
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REPAIR STEP(s)
1. Cut 2 zip ties holding the master cylinder supply hose down to the air assist servo cylinder supply hose.
Figure 2. Correct Master Cylinder Supply Hose Routing
Item 1: New Supply Hose Clipping Points
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Figure 3. Top View of Cowl Tray
Item 1: Drilling locations
2. Drill 2 holes in the approximate location (Figure 3, Item 1) in the cowl tray using a 1/4" drill bit.
3. Seal holes with RTV
4. Using 2 bolts, 2 nuts, 4 washers and 2 p-clamps secure the master supply hose to the cowl tray.
Air Assist Servo Supply Hose Routing
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Figure 4. Incorrect Air Assist Servo Cylinder Supply Hose Routing
Item 1: Saddle clamp on the wrong side of transmission cooler lines
Item 2: Saddle clamp
1. Disconnect the air hose from the air assist servo cylinder.
2. Cut the zip tie at the saddle clamp (Figure 4, Item 2).
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Figure 5. Correct air assist servo Cylinder Supply Hose Routing
Item 1: Air line routed over transmission cooler lines
Item 2: Saddle clamp
Item 3: Extension Brake Repositioned
3. Re-position the extension bracket (Figure 5, Item 3) bolted to the air assist servo cylinder as high as possible
without causing a hose rub condition.
4. Re-route the air line over the transmission cooler lines (Figure 5, Item 1).
5. Secure the air line to the air assist servo cylinder supply hose with a new zip tie to the saddle clamp (Figure 5,
Item 2).
6. Re-insert the air line into the air assist servo cylinder air supply connection.
Bleeding Procedure
0000885380 - 2017- 2020 International LT / RH and LoneStar Technician Manual (Service and Diagnostic)
• Procedure found under Clutch ⇒ Clutch Actuation System ⇒ Hydraulic Clutch Actuation ⇒ Bleed Procedure
WARRANTY INFORMATION
Group: 11000 - Clutch
Noun: 352 - Hose / Pipe
Warranty Claim Coding:
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IK1100032 - LT, RH- Hydraulic Clutch Routing and Clipping
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Refer to the Warranty Coding Manual for Group and Noun Codes.
Standard Repair Time(s)
Description
Chassis
SRT
Hours
Reroute hose
LT
T-Time
0.5 HRS
Standard Repair Time(s):
Refer to the SRT Manual for Repair Times
OTHER RESOURCES
Master Service Information Site
Feedback Information
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Staff
ID
Client
ID
DY02928
Comments
You received the following feedback From: DY02928 - BRAD WEBER Email Address: [email protected] Job
Classification: SE005, Service Writer Dealer: WHITE'S INTL TRUCKS Feedback: In the parts list for this article, it says we
will need the line from the master cyl to the slave cyl. No where in this article does it say to use this line. Also the P-clamps
listed does not fit the line from the reservoir to the master cylinder.
Created
Date
10/23/2019
7:27:52 AM
Copyright © 2019 Navistar, Inc.
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TSB/Document ID: IK1100032
Replacement Service Bulletin Number:
MFR Communication Date: 2019-10-02
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
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