Electrostatic Painting And/Or Incorrect Welding Can Cause Permanent Damage To Electronic Control Module (ECM)
Usage:
3176, 3406B (PEEC) Truck Engines
Electrostatic painting and/or incorrect welding can cause permanent damage to the Electronic Control Module (ECM) on either 3176 or 3406B (PEEC) Truck Engines.
DO NOT electrostatically paint a 3176 Truck Engine, 3406B (PEEC) Truck Engine, or its vehicle with the engine installed.
To avoid any damage to the ECM, do the following before welding on either the engine or the vehicle:
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- ... On the 3176 Truck Engines, disconnect P8/J8, P7/J7 and P14/J14. See Illustration 1.
- ... On 3406B (PEEC) Truck Engines, disconnect P2/J2 and P13/J13. See Illustration 2.
- ... On the 3176 Truck Engines, disconnect P8/J8, P7/J7 and P14/J14. See Illustration 1.
Illustration 1. Location of P8/J8, P7/J7 and P14/J14 on 3176 Truck Engines.
Illustration 2. Location of P2/J2 and P13/J13 on 3406B (PEEC) Truck Engines.
Caterpillar Information System:
1989/11/01 Effective Dates, Serial Numbers And Features Of PEEC Personality Modules
1989/10/01 New Connecting Rod And Main Bearing Kits Available
1989/10/01 Service Program Modules Must Be Ordered By Literature Form Numbers
1989/10/01 New Service Tools Available
1989/10/01 Engine Coolant Can Be Recycled
1989/09/01 New Service Tools Available
1989/09/01 List Of Service Publications
1989/09/01 Plasma Top Piston Rings Replace Chrome Rings
1989/08/01 New Directory For Performance Analysis Report (PAR) Dealers (North America)
1989/08/01 New Coolant Conditioner Elements Available
1989/08/01 Pedal-Mounted Throttle Sensor Requires New Personality Module
1989/08/01 Use New Operation And Maintenance Manuals
1989/11/01 Failures Of Unit Injector O-Ring Seals
1989/12/01 New Camshaft And Lifter Kits Available For Slipper Type Cam Followers (Valve Lifters)
1989/12/01 Additional Information For Checking Valve Camshaft Timing
1989/12/01 New Turbocharger, Piston And Fuel Ratio Control Used
1989/12/01 List Of Service Publications
1990/01/01 New Valve Assembly And Washer Used In Fuel Transfer Pump Group
1990/01/01 Correct Throttle Linkage Adjustment
1990/01/01 New Head Gasket Used On 3306B Truck Engines
1990/01/01 New Cooling System Cleaner Available For All Engines
1990/01/01 Separate Service Manual Microfiche Library Available For Engines Only
1990/02/01 Improvements Made To Water Pumps; New Groups/Parts Available For Certain Applications
1990/02/01 New Water Temperature Regulator Used