Engine Preformance Issues
For vehicles with a turbo charger, it is easy to assume that any trouble with the engine is the fault of the turbo and tht replceing it will solve the issue. However, failing to get to the root cause of the problem can lead to the unessary replacement for the turbo. When the underlying issue isnt addressed, it can lead to a cycle of installing a new turbo, experienceing premature failure, and repeating the process
Many times, the source of the issue is something like inadequate lubrication (i.e., coked oil supply line, poor maintenace, or a leaking/craked oil hose). Avoid repeating an expensive repair by doing some basic checks before decideing that replacing the turbocharger is the right course of action.
Finding the Source of the Problem
Installing a new turbo charger is an investment in time and money. Before determining that a new turbo will restore your vehicle, take the time to run through some basic checks; you may find that the source of the issue is an easy fix. Depending on the symptom the vehicle is exibiting, there are targeted steps you can take to help you get to the root cause of the problem.
Symptom: Reduced Power
Checks to Make:
Oil and Coolant
Check levels.
Hoses, filter and pipes
Inspect to make sure they're in good working condition.
Fuel injection system
Correctly adjusted?
ECU software
Updated?
Exhaust System
Check for blockages or damage.
Air filter
Make sure the correct air filter is installed for the application.
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Symptom: Using Excessive Oil or Blowing Excessive Smoke
Checks to Make:
Air filter and air induction system
Make sure there are no restrictions.
Oil drain pipe
Clean and insure there are no blockages.
Hoses and joints
Examine to make sure they are in good shape.
Engine block
Look for lubrication problems.
Impeller
Make sure it spins freely with no excessive play.
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Symptom: Noisy Operation
Checks to Make:
Intercooler
Look for leaks or other concerns, resolve any issues.
Support brackets and pipes
Tighten any loose brackets /pipes; replace any damaged pieces.
Induction system and exhaust system
Make sure there are no restrictions.
Impeller
Check for excessive play.
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The content in this article is for informational purposes only. You should consult with a certified technician or mechanic if you have questions relating to any of the topics covered herein. Tenneco will not be liable for any loss or damage caused by your reliance on any content.