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Pontiac Aztek Single Generation

20012005 · U-body · suv

Mid-size crossover on GM's U-body platform (related to the Buick Rendezvous). Single engine: 3.4L LA1 pushrod V6 (185 hp). 4-speed 4T65E automatic. FWD standard, Versatrak AWD optional. Camp-ready features included a tent attachment, fold-down tailgate seats, and 94 ft³ of cargo. Sales never met projections; cancelled after 2005.

Watch out: 3.4L LA1 V6 intake-manifold gasket failure is the defining issue — gaskets fail and dump coolant into the oil, destroying bearings. Dex-Cool exacerbates the problem. A ~$500 gasket job becomes a $4,000 engine if ignored. Failure rate by 100k miles is essentially universal.

Full clubhouse — owner Garage Lineage, common problems, year-by-year notes, and product picks — is on the build list.

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