Under the Hood – December 2008

December 14, 2008

Safety Recalls The National Highway Traffic Safety Administration has issued the following recalls: Seven model year 2007 a...

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

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

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

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

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

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

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

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

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

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

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

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...