Originally Posted by firemangeorge

FYI:The SS 5 speed trans.(MU3) only holds 2 qts of fluid. It does NOT use automatic trans. fluid like the regular HHR 5 speeds do.

Per the owners manual: Manual
Transmission
(2.0L L4
engine)
Manual Transmission Fluid
(GM Part No. U.S. 88862472,
in Canada 88862473).

Originally Posted by DrLoch

Than was the info I was looking for. To lazy to look in the book. Think I need to replace the left half shaft might as well change the fluid while I'm in the general area.

FYI went to Rock Auto Site and that PN doesn't come up.

Originally Posted by donbrew

You wouldn't want to pay the GM price.
The spec is there in the book. It is carried in auto parts stores everywhere.