- Engine / equipment
- Alfa Romeo 166 petrol (2.0 Twin Spark, 2.5 and 3.0 V6)
- Period mentioned
- 1998–2007
- Symptoms
- Lack of power high in the rev range (air-flow meter); overheating if the water-pump impeller breaks; electrical faults; leaking gearbox seals.
- Possible cause described
- A buyer’s guide explains that Alfa halved the timing-belt interval on the petrols (about 58,000 km or 3 years), that the water pump should be changed with it because its plastic impeller breaks, and lists the air-flow meter, the electrics and the gearbox seals as weak points.
- Check for the garage
- Ask for the invoice for the last belt and pump change; if there is none, replace them before using the car; test all the electrics.
- Cost cited in the source
- No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.
KNOWN FAULT · Alfa Romeo
Timing belt, water pump, air-flow meter and electrics on the Alfa 166
Sources are not verified in real time and no entry confirms that your car is affected.
Has this happened to you?
Anonymous answer, no personal data.
Frequently asked questions
How much does it cost to repair this fault?
No verified estimate; ask the garage for a quote.
A rough figure from the original database, not an up-to-date quote.
Calculate estimateHow is it checked?
Ask for the invoice for the last belt and pump change; if there is none, replace them before using the car; test all the electrics.
What are the symptoms?
Lack of power high in the rev range (air-flow meter); overheating if the water-pump impeller breaks; electrical faults; leaking gearbox seals.
Which cars and years does it affect?
- Brands
- Alfa Romeo
- Engine / equipment
- Alfa Romeo 166 petrol (2.0 Twin Spark, 2.5 and 3.0 V6)
- Period mentioned
- 1998–2007
Taking it to a garage?
Models with this entry
- Alfa Romeo 1662000–2007
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