New turbo Astra Meriva Zafira 1.7 Cdti ​806497-5001S 806497-5002S 806497-5003S 783248-5003S 783248-5004S 783248-5005S 806500-5001S 806500-5002S 806497-0001 806497-0002 806497-0003 783248-0003

New turbocharger replacment GTB1546V Opel 1.7 CDTI 125HP/92kW

806497-5001S 806497-5002S 806497-5003S 783248-5003S 783248-5004S 783248-5005S 806500-5001S 806500-5002S 806497-0001 806497-0002 806497-0003 783248-0003 783248-0004 783248-0005 806500-0001 806500-0002 806497-1 806497-2 806497-3 783248-3 783248-4 783248-5 806500-1 806500-2 9688361580 9677062780 9674962080 0375P2 0375S6 0375S7 0375S8 1609652780

Astra H 1.7 CDTI 81kW/110PS

Astra H 1.7 CDTI 92kW/125PS

Astra J 1.7 CDTI 74kW/101PS

Astra J 1.7 CDTI 81kW/110PS

Astra J 1.7 CDTI 92kW/125PS

Corsa D 1.7 CDTI 92kW/125PS

Meriva A 1.7 CDTI 92kW/125PS

Meriva B 1.7 CDTI 74kW/100PS

Meriva B 1.7 CDTI 81kW/110PS

Zafira B 1.7 CDTI 81kW/110PS

Zafira B 1.7 CDTI 92kW/125PS

A17DT A17DTC A17DTJ A17DTL A17DTR

Turbocharger GTB1546V – Symptoms of Failure

Engine: 1.7 CDTI (A17 series: A17DT, A17DTC, A17DTJ, A17DTL, A17DTR)
Power range: 74–92 kW (100–125 PS)
Turbo model: GTB1546V (Variable Geometry Turbo – VNT)

Compatible Vehicles

Opel / Vauxhall

• Opel Astra H 1.7 CDTI 81–92 kW
• Opel Astra J 1.7 CDTI 74–92 kW
• Opel Corsa D 1.7 CDTI 92 kW
• Opel Meriva A 1.7 CDTI 92 kW
• Opel Meriva B 1.7 CDTI 74–81 kW
• Opel Zafira B 1.7 CDTI 81–92 kW

Common Symptoms of Turbocharger Failure

1. Loss of Engine Power

• Sluggish acceleration
• Weak or delayed boost
• Reduced torque under load

2. Excessive Exhaust Smoke

• Blue smoke – oil leaking through worn turbo seals
• Black smoke – insufficient air supply or boost leak
• White smoke – oil entering exhaust side

3. Unusual Turbo Noises

• Whistling or siren-like sound
• Grinding or metallic noise (shaft or bearing wear)

4. Increased Oil Consumption

• Frequent oil top-ups
• Oil inside intercooler hoses

5. Boost Control Problems

• Underboost / overboost fault codes
• Check engine light illuminated
• Limp mode activation

6. Variable Geometry (VNT) Issues

• Sticking vanes due to carbon buildup
• Delayed or irregular turbo response
• Inconsistent boost pressure

7. Excessive Shaft Play

• Radial or axial shaft movement
• Risk of turbine or compressor wheel contact with housing

Common Causes

• Poor oil quality or extended service intervals
• Blocked oil feed or return lines
• Carbon buildup from EGR system
• Driving under heavy load without proper warm-up/cool-down
• Overheating or engine mismanagement

Recommendation

If your Opel / Vauxhall 1.7 CDTI (A17 series) shows any of the above symptoms, immediate inspection of the turbocharger and lubrication system is recommended. Continued driving with a failing turbo may result in severe engine damage or complete turbo failure.