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CRACK ON SPARK PLUGS

Bad Ignition coil , wet Spark Plugs , wrong Spark Plugs can result in thermal crack on the ceramic body of the spark plug.

On some severe engine health issue like water or oil seepage thru the engine head resulting in Engine knocking (Detonation); raising the temperature of the combustion may also overheat the center electrode of the spark plugs casing it to expand and crack the surrounding ceramic insulation .

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COUNTERFEIT PARTS -CROSS EXAMINE AFTER FITMENT PROBLEM

While doing a new breather line fitment for an Audi A6, the mechanic noticed that the quick connect fastener on the pipe end could not latch onto the joint of the coolant reservoir tank. The appearance of the Breather line appears to be exactly alike but the interior of the...

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FAILURE OF BRAKE VACUUM PUMP

Today, Brake Vacuum Pumps are seen fitted on the cylinder head and driven by the cam Shaft, the aspirated air is generally conveyed into the the cylinder head. Such Vacuum pump is constructed with either rotating elliptical vane or oscillating plunger on cam disc (diagram below)...

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