SAFARI

98 4 DLT ENGINE TURBOCHARGER TROUBLE SHOOTING Number Problem code 1 Engine lacks power 2 Black exhaust smoke 3 Excessive engine oil consumption 4 Blue exhaust smoke 5 Turbocharger noise 6 Cyclic sound from turbocharger 7 Oil leak from compressor seal 8 Oil leak from turbine seal 1 2 3 4 5 6 7 8 Cause Remedy x x Clogged air filter element Replace element x x x x x x Obstructed air intake duct from Remove obstruction or replace damaged parts compressor to intake manifold as required. x x x Obstructed air outet duct from Remove obstruction or replace damaged parts compressor to outlet manifold as required. x x x Obstructed air intake manifold Remove obstruction x Air leak in duct from air cleaner Correct leaks by replacing seals or tightening to compressor fastners as required x x x x x Air leak from compressor to Correct leaks by replacing seals or tightening intake manifold fastners as required x x x x x Air leak at intake manifold to Replace gaskets or tighten fastners as required engine joint x x x x x x Obstruction in exhaust manifold Remove obstruction x x x Obstruction in exhaust system Remove obstruction or replace faulty component as required x x x Gas leak in exhaust manifold to Replace gaskets or tighten fastners as required engine joint x x x x Gas leak in turbine inlet to Replace gaskets or tighten fastners as required exhaust manifold joint x Gas leak in ducting after Repair leak turbine outlet x x x x Obstructed turbocharger oil Replace gasket or tighten fastners as required drain line Repair leak x x x x Obstructed engine crankcase Remove obstruction or replace line as required ventilation Clear obstruction x x x x Turbocharger centre housing Change engine oil & oil filter, overhaul or sludged or chocked replace turbo as required x x Engine camshaft timing Rectify incorrect x x x x x x Worn engine piston rings or Rectify liners (blow by) x x x x x x x x Dirt on compressor wheel Clean using a non-caustic cleaner 8 soft brush. Find 8 correct source of unfiltered air & change oil & oil filter x x x x x x x x Damaged turbocharger Analyze failed turbocharger, find correct cause of failure, overhaul or replace turbocharger as required