See also:

Under the Hood
In all but the Ultra models, a standard 185-hp, 3.4-liter V-6 teams with a four-speed-automatic transmission. The Rendezvous Ultra gets a 245-hp, 3.6-liter V-6; this engine is optional in the CXL. ...

Vehicle Overview
As the 2004 model year began, a midsize luxury sport utility vehicle dubbed Rainier joined the Rendezvous "crossover" model in Buick's lineup. Built with full-frame construction, the Rai ...

How to Check Automatic Transmission Fluid (4.6L Engine)
For the 4.6L V8 engine, it is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to your dealer/ ...