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AUTOMOTIVE REMANUFACTURERS' ASSOCIATION

AERA Weekly Technical Bulletins – November 22, 2020

 

 

Vibration Damper Service on 2006-2020 John Deere 6090 Diesel Engines

 

The AERA Technical Committee offers the following information on vibration damper service on 2006-2020 John Deere 6090 diesel engines. This information should be considered anytime the front of these engines is being serviced. 

 

The removal of the engine vibration damper should not be attempted with a jaw type puller or damper damage will result. Never apply thrust on the outer ring of the damper, and never hammer or drop the damper. These engines require the use of special tools to correctly remove the vibration damper. 

 

 

 

Oil Filter Identification and Service for 2014-2020 Dodge/Jeep 3.0L Diesel Engines

 

The AERA Technical Committee offers the following information regarding oil filter cartridge identification and servicing for 2014-2020 Dodge/Jeep 3.0L diesel engines. The following should be considered anytime engine oil service is being performed.

 

This bulletin outlines the correct procedure for changing an oil filter on a 3.0L diesel to prevent engine damage. The bulletin also highlights the design differences in the oil filter cartridges used in the GEN2 and GEN3 diesel engines. It also points out potential issues that can arise should the incorrect filter be used in each application.

 

 

 

Dynamic Sealing

 

BY BRIAN ROBERTS

 

Sealing an engine is a challenge especially when dealing with dynamic sealing. Dynamic seals are at locations where there are moving parts, like a crankshaft, camshaft or valve stem seal. These moving items create unique situations in sealing as it must contain and or control the oil while also providing a lubrication film to protect the seal from destruction.

 

The three main dynamic seals are camshaft, crankshaft and valve stem seals. The design and construction of each has evolved over the years to provide better oil control and containment. his article will cover the crank and camshaft seals.

 

 

 

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Chuck Lynch and Steve Fox discuss engine-related technical information and machining procedures, as well as invite guest hosts to share their knowledge.

 

 

 

 

 

 

 

 

 

 

 

 

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