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 Replacement GTB1546V Opel 1.7 CDTI 125HP/92kW

Compatible Part Numbers:

• 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

Compatible Vehicles

Opel Astra

• 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

Opel Corsa

• Corsa D 1.7 CDTI 92kW/125PS

Opel Meriva

• Meriva A 1.7 CDTI 92kW/125PS
• Meriva B 1.7 CDTI 74kW/100PS
• Meriva B 1.7 CDTI 81kW/110PS

Opel Zafira

• Zafira B 1.7 CDTI 81kW/110PS
• Zafira B 1.7 CDTI 92kW/125PS

Engine Models: 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)

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 of Turbocharger Failure

• 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) exhibits any of the above symptoms, it is strongly recommended to inspect the turbocharger and lubrication system immediately. Continuing to drive with a failing turbo can lead to severe engine damage or complete turbo failure.