CAMSHAFT KIT FAULT FINDING

BARREL FOLLOWER WEAR (Followers Sectioned To Epmhasize Wear)   FEATURES   L.H Couple Shows Typical Concave Wear Compared With Normal R/H Assembly. Note Dishing In Of L/H Follower & Reduced Face Thickness. CAUSES   1) Insufficient Or Inefficient Oil Supply. 2) Particle Contamination Of Lubricant. 3) Damage Resultant Of Incorrect Start Up Procedure. 4) Incorrect Oil Filter Without Anti Drain Off Valve. REMEDY   1) Check Oil Pressure & Supply. 2) Check Fuel Emissions Are Within MOT Requirements. 3) Ensure Cleanliness Of Engine & Oil Ways. 4) Follow Start Up Procedures Of Fitting Leaflets. 5) Fit O/E Or Top Quality Oil Filters.

NEW FOLLOWERS FITTED TO WORN CAMS. FEATURES   Note Point Loading Of Worn Cam To Face Of New Follower. SEQUENCE   A) Follower Is Still Rotating But Face Contact Is Constrained To The Centre Causing A Massive Point Contact Overload. B) Follower Is Still Rotating But Fatigue Pitting & Metal Loss Is Developing. C) Follower Has Stopped Spinning & Friction & Loading Has Now Doubled. Cam Lobe & Follower Face Further Deteriate With The Wear Now Extending Outwards. D) Rapid Wear Of Both Cam Lobe & Follower Face Aggravated By Metal Particle Contamination. Dishing Extends Right To The Follower Edge & Fretting Develops. REMEDY   Never Fit New Followers To Existing Cams, Particularly If The Original Follower Faces Shows Signs Of Dishing.

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.