Powerbuilt 648691 Oxygen Sensor Offset Puller
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Customer Review
The Right Tool For the Job - Worked Great on 2007 Grand Prix GT
I'm glad I went with this style vs the socket style. It's clear that this is a much more versatile way of getting into tight spots. This made changing my O2 sensor a breeze. The whole process took less than 5 minutes. This tool made changing the upstream O2 sensor simple and it is the only tool that will fit for changing the downstream/aft O2 sensor. If I had purchased a socket style socket I would have still had to purchase this one for my aft sensor anyway.I'm happy I decided to change the O2 sensor at the same time as changing the plugs on this car for my 100K service. The O2 sensor is right in the way of the #6 plug so changing the O2 sensor was a no brainer. It had to be removed to get that plug wire off anyway. Most people don't realize that the O2 sensor is a wear item just like their spark plugs and don't change them out every 100K. By the way, before anyone comments on my 100K tune up, please be aware that my vehicle used Iridium spark plugs that only need...
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Worked great with my 2002 Chevy Venture upstream O2 sensor
It worked great. I used PB spray first and waited 15 minutes before using this since the van has over 105000 miles on it. First time worked on O2 sensor and felt good after it was done. Actually it took more time to connect and disconnect electric wire clip than O2 sensor itself using this item.
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Works whe long one doesn't
Used for all 4 sensors on 03 diamante. 3 were good but I figured after replacing the first one, I'd crack and re-tighten the others just to prevent them from being frozen when they go bad. It worked so well I did it on my other cars as well. The only issue is retorquing to the 30lbs. With the offset you have to recalculate the torque wrench as a percent of the total length of the torque wrench with this device to the calibrated length of the wrench without the device. I found it was pretty easy to loosen the sensor when the engine was hot. I also found that it was easier if the ratchet handle and the tool flange were aligned and the ratchet handle didn't cross over the tool. Anyhow this works OK.
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Product Description
Powerbuilt offset oxygen sensor socket provides extra leverage for easier removal even in hard to reach spots. Slotted design allows removing oxygen sensor with wiring harness attached. Precision casting for strength and accurate fit. 7/8 inch (22 millimeter) hex fits almost all oxygen sensors. 3/8 inch square drive for use with ratchet. Top to learn more






