Q: What are the essential steps and considerations during an engine overhaul regarding Rod Bearing replacement and inspection on Honda Del Sol?
A: For example, when a car's engine is overhauled, it is recommended to replace the main and connecting rod bearings with new ones but the worn bearings should be kept as evidences of the engine status. There are numerous causes of bearing failure such as inadequate lubrication, contaminants in the shape of dirt or foreign particles, overloading the engine in use, corrosion or abrasive particles and all should be eliminated before reassembling the engine to forestall their reoccurrence. If examining bearings, then the bearings have to be separated from the various components of the engine and arranged on the clean surface so that the defects that are matched with the corresponding journal of the crankshaft could be accurately determined. Foreign particles can be introduced into the engine during build, via intakes, or by oil, and may comprise machining debris, or unremoved abrasives on reconstructed parts. These contaminants may become lodged in the bearing material and can cause scoring or gouging of the bearing surface by particles too large to be deposited in the metallic matrix. To avoid such failures, cleaning of all parts and realization of oil and filter changes are necessary. It is caused by heat with subsequent oxidation, a loaded bearing, leakage of oil, or obstructed passages, with extreme wear where the bearing material is slid off from the backing. Other driving behaviour are also instrumental in bearing life; for example constant over revving at small speeds will cause high load factors that can expel oil; starting and stopping frequently will cause corrosion since there is not enough heat to burn off moisture and gases thus forming acids in the oil. Furthermore, wrong bearing installation leads to oil starvation resulting from interference fits, or dirt trapped behind the inserts and this causes the failures.