Question about 2007 Pontiac Montana
How many oxygen sensors are on a 07 Pontiac Montana minivan
Posted by Anonymous on
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Posted on Jan 02, 2017
check the coolant level fiirst...if that is low it wont give you any heat.....to change the thermostat you have to follow the top radiator hose to the engine.at the send of it you will see a clamp take it loose...then you will see the thermostat housing its held in place by 2 bolts . once you remove them you have the thermostat....make sure you clean all the old gasket material off both the housing and mount.also make sure you get a new gasket.
Posted on Jan 29, 2009
this is common, it is most likely an O2 sensor is going bad, have the trouble codes stored in the system computer checked by a Kragen or Autozone parts store,the test is free.
Posted on Apr 09, 2009
Bet the drain is clogged with leaves. Look under the blower motor under the hood. Can almost be that the cowling has been filled with leaves at one time or another. Got to clean that stuff out every now and then.
Posted on Jun 20, 2009
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