1999 Pontiac Montana transmission problems
The 1999 Pontiac Montana has 32 transmission complaints filed with NHTSA — 10% of the year's total, and up sharply from the prior model year.
32
Transmission complaints
10%
Share of year
0
Crash-involved
0
Related recalls
Transmission complaints by year
What owners report
“COMPLETE TRANSMISSION FAILURE REPLACEMENT COST $2600. THIS WAS CAUSED BY AN INTERNAL RADIATOR FAILURE, WHICH TRANSMISSION FLUID INTO THE ENGINE COOLANT, DESTROYING ENGINE GASKETS AND REQUIRING $1700 IN ENGINE REPAIRS. THAT'S $4300 IN ONE MONTH, ON A FOUR YEAR OLD VEHICLE. NOTE THE NUMBER OF…”
Common questions
How many transmission complaints does the 1999 Pontiac Montana have?
NHTSA has 32 complaints about the 1999 Pontiac Montana transmission — 10% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.