Audi A4 A6 00-08 VW Passat Bad Turbocharger Symptoms & Replacement Cost

Posted by Candy Lai on

How much is the audi a4 turbo replacement cost , audi a4 engine replacement cost or audi a6 turbo replacement cost?
How much is the common turbo replacement cost?
Where is the 1.9 tdi turbo replacement cost cheaper?
How long does it take to replace the audi a4 turbocharger?
Where can I buy the vw passat turbocharger?

Bad Turbocharger Replacement Cost
Turbocharger average can last 100,000 to 125,000 miles depends on driving conditions, components quality.
When your turbocharger fails, garages & workshop will suggest to replace it with either the brand new unit or re-manufactured one. Either one has pro & cons and their own supporters. The cost for Audi A4 turbocharger assembly replacement is between $1,500 and $3,000, in which labor cost is around $350 to $450 while turbo charger is priced between $1,100 to $2,500. The price range varies according to the severity & complexity of the problems.

Common Symptoms of a Failed Turbocharger
1. Blue-black Smoke
Very possible the oil seal is broken. If oil is leaking, it definite will influence turbocharger function because it needs oil to run especially at extremely high speed.
2. Noisy bearing or whining sound from throttle
Scrapping sound let you know the bearing is failing and turbine is rubbing against the inner housing.
3. Plays in the impeller shaft
Same here, the rattle sound may occur because the impeller and compressor wheels are failing. Audi A4 1.9 & 2.0 TDi especially are commonly known failed with the snapped turbine shafts.
4. Oil leaking into intake
5. Loss power of car and oil consumption higher than it was

Apart from the above reasons, there are still some common problems that lead to the turbo failures.
First, the wearing of turbine shaft bearing.
As we explained that loosen bearing may cause the impeller & compressor wheels rub against the inner housing of turbo charger assembly. Rebuild the turbocharger with replacing the turbochra is a considerable option widely adopted in European repair shops.

Second, problems with the wastegate. The wastegate, responsible for venting excess exhaust gas to make sure engine will not be over pressured. Ratting will appear once wastegate broke. Audi A4, it is vacuum actuator that control the wastegate with a short linkage. This linkage allows the valve to open at engine high speed to release the excessive pressure. If the wastegate failure happens, very high possibility that problems are from the vacuum actuator or the valve in the exhausted side within the linkage.

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