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1999 Pontiac Montana 3.4L Cooling Systems
Posted to GM Engine on 2/3/2010 22 Replies

A customer brought in a 1999 Pontiac Montana with bad intake gaskets leaking both anti-freeze and oil to the outside. Replaced gaskets - with new bolts. Also replaced thermostat, plugs and 02 sensor. Bleed cooling system and had heat in front and rear. Came ba...

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Message Closed w/Summary

car Vehicle Data

1999 Pontiac Montana

VIN 1GMDX03XD1
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Misc.Van
Message Closed w/Summary

car Vehicle Data

1999 Pontiac Montana

VIN 1GMDX03XD1
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Misc.Van