it has a timing chain
A 2003 Impala does not have a timing belt. It has a chain.
Chain.
All engines in this vehicle have a timing chain.
On a 2001 Chevrolet Impala : Both the 3.4 and the 3.8 litre V6 engines have a timing CHAIN
The 3.4 and 3.8 litre V6 engines in a 2000 Chevrolet Impala have a timing CHAIN
No belt it is a chain - no changing needed
Does a 2009 citreoin c5 have a timing belt or chain
It doesn't have a timing belt. It has a timing chain and it will last the life of the engine.
The 3.5 liter V6 engine in a 2007 Chevrolet Impala has a timing CHAIN
The 3.4 liter V6 engine in a 2001 Chevrolet Impala has a timing CHAIN
The V6 has a belt and the I4 has a chain.