Question 1

What is Cam Variator Failure (Cold Start Rattle) on the Maserati Maserati Quattroporte (M139)?

Accepted Answer

A notorious issue on the 4.2 and early 4.7 V8 engines. The check valves fail, allowing oil to drain from the variators. If left, it can lead to engine timing issues.

Question 2

What is DuoSelect Clutch Wear on the Maserati Maserati Quattroporte (M139)?

Accepted Answer

The robotized manual gearbox (DuoSelect) is hard on its clutch, especially in city traffic or when reversing up hills. A replacement is a major expense.

Question 3

What should I check when buying a used Maserati Maserati Quattroporte (M139)?

Accepted Answer

Avoid early "DuoSelect" (robotized manual) cars unless you specifically want that experience; they eat clutches

Question 4

What should I check when buying a used Maserati Maserati Quattroporte (M139)?

Accepted Answer

Listen for a 2-3 second "rattle" on a cold start; this indicates cam variator failure

Question 5

What should I check when buying a used Maserati Maserati Quattroporte (M139)?

Accepted Answer

Check for sticky interior buttons, which can cost thousands to professionally refinish

Question 6

What years was the Maserati Maserati Quattroporte (M139) made?

Accepted Answer

The Maserati Maserati Quattroporte (M139) was produced from 2003 to 2012.

Maserati Maserati Quattroporte (M139)

Maserati Quattroporte (M139) Reliability & Common Faults

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