1981/03/06 Caterpillar


Check Oil Level Carefully To Prevent Operation With Too Much Oil In Engine Crankcase

Usage:




3208 Engines

Too much oil has been found in a number of 3208 Engines in the field. In some conditions, operation with the oil level too high can cause foam (air bubbles) in the oil, and possible damage to the engine. A high oil level can also increase the rate of oil consumption.

A possible cause of high oil level is the use of the words "FULL" and "ADD" instead of the marks (either dots or lines) next to the words on the gauge when the oil level is checked. The illustration shows the marks on the oil level gauge, which are the correct indication of the crankcase oil level. The marks currently used are two dots, as shown. Some earlier oil level gauges have lines across the gauge in the same locations. Be sure to use the marks when the oil level is checked, and keep the oil level between the marks.


Location of "FULL" and "ADD" marks on 9N6651 Oil Level Gauge.

Caterpillar Information System:

1981/03/06 Two New Exhaust Manifolds Available For Replacement Of Single Rear Manifold To Prevent Broken Studs
1981/03/06 Do Not Adjust The Fuel Setting Or High Idle Higher Than Necessary
1981/03/06 Modification Of Flywheel Prevents Loose Clutch Pilot Bearing
1981/03/06 Later Pistons Have A Smaller Number Of Drain Holes In Oil Ring Groove
1981/03/06 New Turbocharger, Turbocharger Oil Lines Group And Aftercooler Air Lines Group Used
1981/03/06 High Concentration Of Aluminum In Oil Analysis Can Be The Result Of Rocker Arm Support Wear
1981/03/06 List Of Service Publications
1981/03/06 Changes Have Been Made To Caterpillar Service Literature
1981/02/04 New, One-piece Valve Lifter Used
1981/02/04 Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/02/04 Different O-ring Seal Now Used On The Oil Pump Suction Tube
1981/02/04 New Front Housing Assembly And Gaskets Used
1981/03/06 New O-ring Seal Used In Egr (exhaust Gas Recirculation) Control Has Better Resistance To Heat Damage
1981/03/06 New Governor Spring Available For Specific Engine Applications
1981/04/09 Low Engine Temperatures: Install Check Valve
1981/04/09 6V4163 Bit And 6V4164 Driver Now Available For Removal Of Bolts For Flyweight Carrier
1981/04/09 Correction To Torque Specification For Locknuts On Valve Clearance Adjustment Screws Of Engines Equipped With Jacobs Engine Brakes
1981/04/09 Special Studs And Nuts Available For Exhaust Manifolds On Engines Used In Heavy Load Conditions
1981/04/09 Two New Oil Filter Assemblies Available; Always Use Correct Oil Filter And Follow Caterpillar Change Intervals
1981/04/09 Cooling System Cleaner Removes Rust And Corrosion
1981/04/09 Correct Refill Capacity For Engine Oil
1981/04/09 6V3197 Spacer, 6V3041 Tool Group Available For Use During Removal And Installation Of Piston Pin Bearings
1981/04/09 Clean Electrical Contacts In Exhaust Gas Recirculation (e.g.r.) Switch Group And Cover Assembly Before Installation
1981/04/09 Electrical Information For Egr (exhaust Gas Recirculation) Systems On 3208 Truck Engines So Equipped
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