A wrench with a .5 in square head is inserted in the spring-loaded tensioner. HOWEVER, you have to remove an engine motor mount and jack up the engine slightly to replace the belt. It's a very bad design.
Use penetrating oil and correct size wrench.
How mcuch does a 2003 Chevy Malibu weigh?
There is no way to adjust the belt tensioner, if it's not keeping enough tension on the belt the complete tensioner itself will need replaced.
How program my keyless entry remotes for 2003 chevy malibu
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I need head bolt torque specs and sequence on 2003 Chevy Malibu 3.1
The flasher relay on a 2003 Chevy Malibu is located under the dash near the steering wheel. Look for a bright green plug.
very carefully
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