BorgWarner

Turbo FAQ’s

Turbo- Frequently Asked Questions

Common Causes of Turbocharger Failure
  • Contaminated oil
  • Dirty oil
  • Lack of lubrication
  • Low oil pressure
  • Kinks in the oil inlet lines
  • Clogs in the oil inlet line
  • Plugged air cleaners
  • Collapsing hose connections
  • Undersized air pipes
  • Prolonged engine idling
  • Over-fueling
  • Hot engine shut-down
  • Improperly installed gaskets
  • Nuts & washers dropped into exhaust system
Preventing Turbo Failure
  • Keep clean oil in engine
  • Keep the air filter clean and unrestricted
  • The duct work from the air cleaner should be free of holes
  • The duct work connections should be tight to prevent leaks
  • Warm up the engine for two to five minutes prior to throttling up
  • Let engine idle for approximately 2 minutes prior to engine shut down
Installation Checklist

Pre-installation

  • Service air cleaners and eliminate all restrictions and leaks.
  • BEFORE installing this turbocharger inspect and remove all foreign material from air inlet ducting and intake and exhaust manifolds.
  • Replace all oil pressure and drain lines which are kinked, broken or heat worn. On all automotive turbochargers, the oil inlet line/tube must be replaced. Change engine oil filters if contaminated.
  • Replace all contaminated crankcase and compressor filters.

Installation

  • Mount turbocharger and exhaust manifold using new gasket and anti-seize compound on studs and bolts.
  • Inspect exhaust system. Remove any restrictions which might cause excessive back pressure before connecting to turbocharger.
  • Attach oil inlet line to turbocharger.
  • Align bearing housing drain hole to not more than 30° from vertical center position.
  • Tighten clamps, capscrews or nuts to recommended specifications.
  • Connect air pipage system to turbocharger.

Pre-lubrication

  • BEFORE ATTACHING oil drain line to turbocharger CRANK ENGINE until oil flows from oil drain hole in bearing housing. DO NOT START ENGINE.
  • Attach oil drain line to turbocharger.

Operation

  • Idle engine for 5 minutes. DO NOT REV. Check all systems for oil, air or exhaust leaks.
  • Always have operator IDLE ENGINE for 3 MINUTES PRIOR TO SHUTDOWN for longer turbocharger life.
BorgWarner