CAMSHAFT KIT FAULT FINDING

BIASED BALL STUD LOADING   FEATURES   1) Components Clean. 2) Camshaft Nose Peak Worn. Base Circle & Ramps In Maiden Condition. 3) Follower Face Scored At Hydraulic Ball Stud End. CAUSES   1) Overloading Of Follower Due To Inefficient Hydraulic Ball Stud. 2) Acceleration Damage Caused By Insufficient Lubrication At Start Up. REMEDY   1) Renew Hydraulic Ball Studs. 2) When Fitting Cam Kit, Always Obtain Oil Pressure With Plugs Removed.

EXCESSIVE HEAT GENERATION FEATURES   1) Camshaft Nose Peak Scored. Yellow To Blue Colouration On Unused Edge Of Cam. 2) Follower Face Beginning To Score. Yellow To Blue Colouration Of Face Ends & Slides. CAUSES   1) Poor Quality Oil Or Insufficient Supply. 2) Thin Oil Due To Fuel Contamination. 3) General Overheating Due To Coolant Or Ignition Problem. REMEDY   1) Check Oil Pressure & Supply If Possible At Cylinder Head Oil Gallery. 2) Ensure Fuel Emissions Are Within MOT Requirements. 3) Address General Overheating Causes.

PISTON/VALVE IMPACT   FEATURES   1) Cam Nose Has Wear "Flat" On Its Peak. 2) Follower Has Snapped Central About Face. 3) Break Is Vertical In Valve Open Position. CAUSES   1) Valve & Piston Collision Due To Incorrect Valve Timing Or Ingress Of Foreign Object Into Combustion Chamber. 2) Incorrect Diesel Cylinder Head Gasket. 3) Valve Spring Seating Cup Assembled Upside Down Causing Spring Coil Binding. REMEDY   1) Correct All Above Assembly Faults.

THE ABOVE PHOTOGRAPHS DISPLAY COMMON CAMSHAFT KIT FAILURES ASSOCIATED WITH UNPROFESSIONAL FITTING OR INHERENT ENGINE PROBLEMS. CAMSHAFT KITS RETURNED UNDER WARRANTY DISPLAYING THESE FEATURES WILL BE REJECTED AS NOT BEING OF FAULTY MANUFACTURE.