1999 Pontiac Montana Consumer Review: GMC 3.1L & 3.4L V6 ENGINE/INT
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1999 Pontiac Montana Minivan - Consumer Review

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GMC 3.1L & 3.4L V6 ENGINE/INTAKE MANIFO
By jmerc on

Vehicle

1999 Pontiac Montana 4dr Ext Minivan

Review

ENGINE DESIGN FLAW: GMC 3.1L & 3.4L V6 ENGINE/ INTAKE MANIFOLD GASKET***** GASKET ALLOWS ANTIFREEZE TO GO INTO OIL CAUSING AT MINIMIUM REPLACEMENT OF GASKET. BUT GOES UNDETECTED CAUSING ANTIFREEZE TO ACT LIKE GLUE THROUGH OUT YOUR ENGINE. CAUSES ENGINE FAILURE. THOUSANDS OF DOLLARS DAMAGE!! GMC AWARE OF THIS FLAW. REFUSES TO HELP CUSTOMER WITH COSTS OR WARN OF PROBLEM. check for recalls and complaints. DOT auto safety hotline with U.S. dept. transportation. nhtsa.dot.gov/hotline/ GMC could warn customers and help them avoid costly bills.

Favorite Features

lots of room. can take out each seat. hauled a freezer in it. handles well in snow.

Suggested Improvements

FIX INTAKE MANIFOLD GASKET!! PASSENGER CUP HOLDER CHEAP. BREAKS A LOT. ADVERTISEMENT SHOWED IT HAULING A HORSE TRAILER. CERTAINLY NOT WITH A HORSE IN IT.
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