Question about 2001 Oldsmobile Alero
Replacing temp sensor on 2001 alero
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Posted on Jan 02, 2017
the crank sensor is located beneath the intake between the starter and oil filter it has one small bolt in it remove the bolt and pull the sensor out and just stick the new one in put the bolt back in it and plug it up but make sure you disconnect the battery before you do anything that bolt is probably a 10mm or a 5/16 i hope this helps
Posted on Jul 12, 2009
On the 2.4 litre engine it is mounted on the cylinder head.
On the 3.4 litre engine it is mounted under the throttle body near the area where the transmission and engine meet.
Both sensors are held in place by one bolt.
Posted on Feb 24, 2010
I would have someone pressure test the cooling system to determined if there is an external or internal leak somewhere as it sound like you have one or the other. An internal leak, such as a head gasket, won't show up as a dripping coolant but will cause coolant to be forced out of the coolant reserve tank in a kind of bubbly burp as the engine warms up while an external leak usually can be spotted by following the trail of leaking coolant back to it's source. I would suggest having it checked out as soon as possible as serious engine damage can result from even a fairly short time spent overheating.
Posted on Jul 05, 2010
SOURCE: I have a 1999 Alero
CHECK MODE RELAY IF BOTH RELAYS GOOD YOU CAN CHECK RELAY BY REMOVING IT FROM FUSE BOX HOOK RELAY TERMINAL 85 TO BATTERY POSITIVE AND GROUND TERMINAL 86 IF CLICKS RELAY GOOD. IF RELAY GETTING POWER GOOD AND THE 30 AMP COOLING FAN FUSE OKAY.EITHER THERE IS A SHORT IN COOLING FAN WIRING OR THE PCM HAS FAILED.THE PCM HAS LOST OR COMMAND RUN CIRCUIT IN PCM SHORTED OUT DUE TO PCM FAILURE.LET DEALERSHIP OR GARAGE USE DIAGNOSTIC EQUIPMENT TO ACTIVATE THE PCM SEE IF IT HAS FAILED.DONT SPEND MONEY ON NEW PCM COULD BE SHORT IN THE WIRING CIRCUIT
Posted on Sep 06, 2011
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