New Piston Pin Retainer Used
Usage:
3406, 3406B, 3408, 3408B Truck Engines
Description of Change: A new piston pin retainer is used. When compared to the former retainer, the new retainer:
- Provides improved flatness.
- Has increased groove contact area.
- Can be installed with either side against the pin.
- Is more resistant to tip breakage.
- Does not require special tools for removal or installation.
- Has increased groove contact area.
New 7E5665 Piston Pin Retainer (1). Former 8N7295 Piston Pin Retainer (2).
Adaptable To: The new 7E5665 Piston Pin Retainer is a direct replacement for the former 8N7295 Piston Pin Retainer. It is recommended that the former retainers be replaced with new retainers whenever the former retainers are removed.
Install the new retainer with the opening in a vertical position, either up or down.
Caterpillar Information System:
1991/10/01 No Gaskets Used With Aluminum Flywheel Housings
1991/10/01 7S3161 Valve Lifter Has Three Different Designs
1991/10/01 New Teflon Coated 4P9388 Cylinder Seal Available
1991/10/01 New Components Used In Fuel Injection Pump Groups
1991/10/01 How To Repair Oil Leaks Between Front Housing And Spacer Deck
1991/10/01 New Locking Bolt Used In Flywheel Groups
1991/09/01 Always Use A Digital Voltmeter For Battery Testing
1991/09/01 Sintered Bronze Replacement Bushings For Delco-Remy Electric Starting Motors Do Not Require Machining
1991/09/01 Use 7E5888 Fuel Injection Pump Housing As A Service Replacement For Pre 1991 Fuel Injection Pump Housings
1991/08/01 List Of Service Publications
1991/08/01 Initial Valve Lash Checking Interval Changed
1991/08/01 New Hose Used To Connect Turbocharger Compressor Outlet To Air To Air Aftercooler (ATAAC) Inlet Tubing
1991/12/01 Service Tips For Removing Turbocharger Turbine Housing{1065,1052}
1991/12/01 Only Caterpillar Approved Service Tools Can Be Used To Program Or Perform Interactive Diagnostics On Caterpillar Engines{1900}
1991/12/01 New Gaskets Help Prevent Leaks From Fuel System Governors{1264}
1991/12/01 Calibration Of New Dipsticks With Full Range Readings{1326}
1991/12/01 List Of Service Publications{0374,0375}
1992/01/01 New Oil Filler Tube Assembly Helps Prevent Cracking
1992/01/01 New Cylinder Head Gasket Helps Prevent Coolant Leaks
1992/01/01 Engine Wiring Schematic Wall Charts Available
1992/01/01 Use Correct Washers With Cylinder Head Bolts
1992/01/01 5P7437 Adapter (Part Of 8T5301 Diesel Timing Adapter Group) Must Be Modified To Work On Current Fuel Lines
1992/01/01 Use 7E5888 Fuel Injection Pump Housing As A Service Replacement For Pre 1991 Fuel Injection Pump Housings
1992/01/01 The Letter "I" Now Used In Part Numbers