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B&D Fuel Injection
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Injection Pumps
Injectors
Turbochargers
Diesel Owner Tips
Troubleshooting
Garrett Bearing troubleshooting guide
Normal Use
Acceptable operating & maintenance procedures
Contaminated oil (dirt in oil)
Engine oil and oil filter(s) not changed frequently enough, unfiltered air entering engine intake, malfunction in prelube valve or oil filter bypass valve
Severely contaminated (dirty oil)
Pounded by eccentric shaft motion
Foreign object damage, coked or loose housing, excessive bearing clearing due to lube problem
Center housing bearing bores, rough finish
Incorrect cleaning of ctr. hsg. during overhaul of turbo. (Wrong chemicals, bores sand or bead blasted)
Metal or large particle oil contamination
Severe engine wear. i.e., Bearing damage, camshaft or lifter wear, broken piston
Lack of lube, oil lag, insufficient lube
Low oil level, high speed shutdowns, lube system failure, turbo plugged w/ R.T.V.
Coking
Hot shutdowns, engine overfueled, restricted or leaking air intake
Fine particles in oil (contaminated oil)
See contaminated oil
Rough bearing journals on shaft
Bearing journals not protected from sand or bead blast cleaning during overhaul