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Resources & Research

Under the Hood – October 2008

Reman Fuel Injectors Improved There have been some issues with Caterpillar mechanical unit injectors on models: 3114 ATAAC NA D1 (S/N:...

Under the Hood – August 2008

Revised Exhaust Manifold Mack has revised the exhaust manifolds used on ASET AI and AMI engines, whereby the slip-joint clearances ha...

Under the Hood – June 2008

Air Brake Pressure Balance Test Bendix Commercial Vehicle Systems recommended the following procedure to determine the air pressure d...

Under the Hood – April 2008

Interference Between Hood Spring & Charge Air Cooler Hose On Mack CTP, CHN and CT models manufactured before April 16, 2007, there may...

Under the Hood – March 20081

Cam Tube Service Kit Installation Hendrickson released the guidelines for installing the cam tube service kit on compatible axle/beam ...

Under the Hood – March 2008

Disposal Of Gas-Charged Pressurized Shocks & Struts Monroe has released the following guidelines for the disposal of old and defective...

Under the Hood – December 2007

Improved Water Temperature An improved water temperature regulator has been developed to improve the functionality of the cooling syst...

Under the Hood – November 2007

Spring Hanger Mounting Bracket Wear Plates On certain Mack chassis equipped with the Maxlite 20/40 rear air suspension, you may see we...

Under the Hood – August 20071

Tie Rod Arm Removal & Installation ArvinMeritor recommended the following procedure for first removing and then installing the tie rod...

Under the Hood – August 20071

Camshaft Inspection Hendrickson has developed the following maintenance procedure for inspecting the camshaft and camshaft bushings (o...

Under the Hood – August 2007

Fuel Pressure Sensor Diagnostic Codes A new flash file has been released for use on Caterpillar C9 engines (Serial No. 9DG1-Up.) The n...

Under the Hood – July 2007

New Hold Down Bracket Assembly A new hold down bracket assembly now is used on the oil supply hose for the engine turbocharger on Cat...
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