In case of increased oil consumption by the engine, first of all, it is necessary to check for leaks as follows.
Remove the camshaft housing cover and check the gasket for cracks or damage.
Check the breather hose from the cylinder head cover to the air filter for tightness.
Check gasket between camshaft housing and cylinder block (16 valve engine).
Check the connection of the ignition distributor to the camshaft housing.
Check the oil filter, its gasket and flange.
Check oil pressure sensor (sealing ring).
Check oil drain plug (sealing ring).
Check the oil pan gasket.
Check the front and rear oil seals of the camshaft and crankshaft.
Locating leaks through which oil flows in an engine is often quite difficult. Therefore, the following procedure for their determination is proposed.
Wash the engine with an aqueous solution of detergent. Preliminarily close the ignition distributor and the generator with plastic wrap.
Sprinkle joints and seals on the engine with talc (outside).
Check oil level, top up if necessary.
Travel approximately 30 km at high speed.
Locate leaks.
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