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Spicer
Axles & Brakes
ABIB-0304
Information Bulletin
Bulletin Type: Service Information
Topic: Carrier Design Modifications to 23105 Drive Axles
Affected Models: 23105S/D/A, 26105S/D/A, 30105S/D/A
Beginning Jan 6
housing mounting flange. These models are now produced with a “Thick Flange” carrier. Models with “Thick
Flange” carriers require the use of longer capscrews at the 12:00 & 6:00 positions. This design enhancement will
have an impact on service parts as outlined throughout this bulletin.
Carrier Mounting Flange Design Change:
The nominal thickness of the carrier to housing flange has been increased. Additionally a much thicker boss has
been added to the flange at the 12:00 & 6:00 o’clock positions. These changes will require the use of new fastener
parts. A new standard 55mm capscrew (P/N 130185) and a “long” 80mm capscrew (P/N 130218) have been
released for these models. In conjunction with the new capscrews, a thicker and larger diameter flat washer
(P/N 130877) will be used as part of this upgrade.
th
, 2003 the 23105 Family Axles had significant design improvements made to the carrier to
®
The New “Thick Flange” 23105 Carriers
Require New Longer Style Capscrews at the
12:00 & 6:00 o’clock Positions.
This bulletin contains product information.
Dana Corporation is not committed or liable for canvassing existing product.
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Service Parts Impact:
,
Axle Housing Hardware Kits:
Kit 512686: The new Axle Housing Hardware kit released specifically for models built with the “Thick
•
Flange” carriers. This kit contains the new longer 80mm capscrews and is not designed for models built with
the original design “Thin” flange carrier.
• Kit 511377: The current Dana axle housing hardware kit for the original thin flange carriers will be obsoleted
and replaced by an existing Axle Housing Hardware Repair Kit (P/N: 512097).
•
Kit 512097: The 512097 kit, which includes a “Support Bracket” can only be used on models built with an
original “Thin” flange designed carrier. This kit now replaces the 511377 kits for all thin flange carriers.
NOTE: SOME 23105 AXLES IN THE FIELD MAY HAVE BEEN REPAIRED WITH KIT 512097. THE KIT WHEN INSTALLED,
INCLUDES THE USE OF A “DOG-BONE” SUPPORT BRACKET MOUNTED AT THE 6:00 POSITION. IF INSTALLING A NEW
“THICK FLANGE” DESIGN CARRIER AS A REPLACEMENT, DO NOT USE THE “DOG-BONE” COLLAR ON THE NEW AXLE.
SIMPLY DISCARD IT
AS IT IS NOT DESIGNED FOR THE NEW THICK FLANGE CARRIER.
Carrier Exchange Assemblies:
Any new Carrier Exchange Assembly produced with the new “thick” flange carrier will include new carrier-tohousing fastener parts. The carrier exchange part numbers will not change.
NOTE: With the popularity of the Dana Carrier Exchange program, stock levels of the older design carriers outlined in
this bulletin at OEM PDC’s and DEALERSHIP’S may be numerous. If you have a vehicle that is originally built with a
new style “thick” flange carrier, it can be serviced with an “older style” Carrier Exchange Assembly. The repairing
dealer must simply make sure to use the correct axle housing hardware parts when installation is done.
This bulletin contains product information.
Dana Corporation is not committed or liable for canvassing existing product
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g
Dana Axle Housing Hardware Kits:
Models: 23105, 26105, 30105
511377 - No Longer Available - Replaced by Repair Kit 512097
•
•
512097 - Axle Hsg Hardware Repair Kit – Thin Flange Models Only.
•
512686 - Axle Hsg Hardware Kit – New! Thick Flange Models Only.
512097 Hardware Kit w/Support Boss - Thin Flange
Qty Part-No.
12 130877
1 107276S
1 130736
8 130186
2 130218
1 shais137
Description
Washers - Was 29804
RTV Sealant
Support Bracket
Capscrews (49mm)
Capscrews - Support Bracket
Instruction Sheet
511377 Hardware Kit - Thin Flange Obsolete Replaced By
Qty Part-No. Description
12 29804 Washers
1 107276S RTV Sealant
1 129293 Loctite
1 129774 Information Sheet
12 130186 Capscrews (49mm) - Was 129535
Kit: 512097
IMPORTANT! Dana does not recommend the mixing of
various designs carrier-to-housing capscrews on the
same assembly. Whether mixing or not, torques must
be measured using a calibrated torque wrench. Failure
to re-torque bolts and nuts to proper specifications may
lead to carrier to housing leaks and possible component
dama
e.
512686 Hardware Kit - Thick Flange - NEW!
Qty Part-No.
1 107276S
1 129293
8 130185
4 130218
12 130877
1 shais143
Description
RTV Sealant
Loctite
Capscrews - Short (55mm)
Capscrews - Long (80mm)
Washers
Instruction Sheet
Dana Corporation is not committed or liable for canvassing existing product.
This bulletin contains product information.
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Capscrew Fastener Locations for 23105 Family Models:
Shown on the left hand side of the chart below are the carrier-to-housing fastener configurations for the 23105
Family Drive Axles built with the new Thick Flange Carriers. Shown on the right hand side of the chart are the
fastener locations for models built with the original “Thin” flange mounting flange carriers.
*GM vehicles will continue to use the “original” design carriers until Mid-2003.
NEW
“THICK FLANGE”
FASTENER CONFIGURATION
(AFTER 1/6/03)
23105S/D/A
26105S/D/A
30105S/D/A
C C
B B
B B
C C
A - 130877 Flat Washers – All Locations
B - 130185 Capscrews – Short (55mm)
C - 130218 Capscrews – Long (80mm)
VIEW – LOCATION OF FASTENERS ARE VIEWED AS IF INSTALLING DIFFERENTIAL INTO THE AXLE HOUSING.
B B
HEAD TO HOUSING HEAD TO HOUSING
B B
ORIGINAL THIN FLANGE
DESIGN FASTENER
CONFIGURATION
(BEFORE 1/6/03*)
23105S/D/A
26105S/D/A
30105S/D/A
B B
B B
B B
B B
B B
B B
For spec’ing or service assistance, call 1-800-621-8084 24 hours a day, 7 days a week,
Or visit our web site at:
www.spicerparts.com
Dana Corporation
April 2003 All Rights Reserved. P.O. Box 321
Printed in U.S.A. www.dana.com
Copyright Dana Corporation, 2003 Commercial Vehicle Axle Division
Toledo, Ohio 43697-0321
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