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bykerdude59
Dodge Dakota
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6/14/2005
13:07:27
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 Subject: Replacing oxygen sensors
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Message:
Any tips on replacing oxygen sensors. Should I do it very carefully when the truck is warm (as not to burn myself) or when the truck is cold. I know that the properties of metal (in regards to expansion) changes with the heat. I don't know if it will be better to attempt after I drive home from the parts store or when I wake up in the morning.
Also is there any type of sealant I should put on the threads...or just unscrew the old and screw in the new. Should I coat with teflon tape?
Thanks
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bykerdude59
Dodge Dakota
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6/14/2005
17:21:19
| RE: Replacing oxygen sensors
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Anyone????
I already bought the sensor and will be doing the change out in a couple of hours...just looking for tips before starting
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NEW_SOL
Dodge Dakota
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6/14/2005
18:22:17
|  RE: Replacing oxygen sensors
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It doesn't matter if changed hot or cold. Just don't mix up the connectors, do one at a time! the sensors come with antiseaze on the threads already to prevent permanent bonding to your exhaust. * DO NOT GET ANTISEAZE ON THE TIP OF THE O2 SENSOR* which will ruin the sensor, or make the sensor give faulty readings. *NO USE FOR TEFLON TAPE* => sorry took so long.
'00 4.7L sct.
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bykerdude59
Dodge Dakota
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6/14/2005
18:49:00
| RE: Replacing oxygen sensors
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Message:
Thanks for the advice. The bosh O.E.M style I got came with a plug...so hopefully the one on my truck does. If that's the case I don't need to worry about mixing up the wires. I only hope the asian guy who spoke all of 10 words of English gave me the right one. I think I will go to their website see if the part numbers some how match up.
Wayne
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JerryM
Dodge Dakota
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6/14/2005
23:15:13
| RE: Replacing oxygen sensors
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Message:
Wayne,
What year, engine is your vehicle?
I have a 2000 4.7 liter and replaced the pre-cat. converter sensor last fall.
Definetly when the engine is cold. Make sure you spray down the threads with penetrating oil before trying to remove, it makes it come out a lot easier. Also be sure to use the box end of the wrench, preferably a six point to prevent rounding the nut. Anti-seize and mentioned before on the new sensor is all you need.
JM
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