2003 alero


Old 03-27-08, 07:24 PM
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2003 alero

Wife has a 2003 Alero 3.4 engine,we want to do a little traveling this summer .Have a boler light weight trailer we are gonna pull behind car Do I need to have a transmission cooler installed trailer weighs 1200 lbs
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Old 03-28-08, 02:58 AM
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Your Maximum Trailer Towing Capacity 487 kg (1,000 lbs)

I just starting working on transmission in the last year, so I'm not an expert in that field. With those Specs I would go with a Trans Cooler, better save than sorry and it will keep trans cooler.

I don't know if you had it done yet, but this is one of the engine model that forms a coolant leak at the lower intake gasket. (corner of intake next to thermostat). I would make sure you don't have a leak before towing. The one thing good about this model it has a low coolant light.

Google "DexCool GM Class Action Lawsuit" for more info on this concern.
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