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If the drain plug is leaking its the rubber bushing around it probaly and they are only three dollars for a new one. You should change your oil when you relace it.
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∙ 12y ago
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Where is the transmission drain plug on a 2003 Chevy impala?
there is no drain plug
2004 chevy impala radiator drain plug?
should be similar ...... http://www.justanswer.com/car/3trf2-radiator-drain-plug-2003-chevy-impala.html
Replacing heater core in 2003 Chevy impala?
do you need to remove dashboard in 2003 chevy impala to replace heater core
Where is the oil pump in a 2003 impala Chevy?
The oil pump is inside the engine under the oil pan.
How do you change your thermostat on your 2003 Chevy Impala?
The thermostat should be on the top of the engine under the water inlet. Drain the radiator. Remove the top radiator hose from the inlet. Unbolt the inlet, and pull the thermostat out for replacement.
2003 Fuel tank size for Chevy Impala?
The 2003 Impala has a 17 gallon fuel tank
What year did the Chevy Impala have aluminum motors?
2003
Show me an Owner manual for 2003 Chevy impala?
check with your Chevy dealer on that.
How do you fix a 'door ajar' light on a Chevy Impala?
Fix a "door ajar" on Chevy Impala 2003 . Still on doors closed.
How do you change the power steering reservoir on a 2003 Chevy Impala?
The car should still be under warranty. Take it back to the dealer.
Where is fuel pump on 2003 Chevy Impala?
In the fuel tank
Engine Diagram of a 2003 Chevy Impala?
antifreeze lines
