13 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
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Discussion summary
YOUR RESEARCHReplacing wheel speed sensor
Leading reported evidence
Clean of the corrosion out of the hole
Performed · outcome unconfirmed
No successful repair reported for this finding.
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0
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Performed · outcome unconfirmed · Original poster
Eventually, I got all the bits of the old sensor out, and cleaned all of the corrosion out of the hole.
Leading evidence: 'Clean of the corrosion out of the hole' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean of the corrosion out of the hole' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
It is best if you disconnect the ground terminal from the battery before welding - I didn't this time, but usually do.
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Suggestion
When I try to replace my sensor, I will try adding heat to the aluminum around the bolt first since aluminum thermally expands more than steel.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
13 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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1 acknowledgements have no verified action link; they do not establish a repair result.
Outcome without a verified action link
I replaced it last night, and it solved my problem!
For a few weeks I've been dealing with the ABS coming on at very slow speeds (under 11 MPH). I've mentioned it in other threads, and diagnosed it as a left rear wheel speed sensor with the Durametric tool.
I replaced it last night, and it solved my problem!
I just thought I'd share the fix (and also the pain of doing it) with everyone. I figured it would be about a 30 minute job... I have another car on the lift, so did this on the floor. Jack it up, remove the wheel, unplug the sensor - this all went smoothly, then it went down hill... the head of the sensor bolt sheared off. The sensor itself was corroded to the suspension carrier (I didn't know aluminum corrosion would bond to plastic, but it does!) - so I had to break the sensor apart and pull/drill it out in bits.
Eventually, I got all the bits of the old sensor out, and cleaned all of the corrosion out of the hole. Then I had to deal with removing the broken bolt. I used my welding technique (which I'll post a video of later) and was finally ready to put everything back together.
Total job was about 3 hours.
But it's fixed!
Oh what I could do only if I had the tools..........I'd make a female robot about 3 feet tall, flat head and big ears.....sorry it's been a long week!
Nice job Van!
$87 from Pelican (rear sensor p/n 996.606.406.00)
It is best if you disconnect the ground terminal from the battery before welding - I didn't this time, but usually do.
My welder is a Lincoln mig that runs on 110v - it's a great little welder that I've had for years. Don't use the "flux core" wire-feed welders - they're a little cheaper than a mig (gas) flux welder, but the results aren't nearly as good. Spend the extra $100 and get the full mig setup.
Pete, I see a bar in your immediate future...
I have access to a MIG welder. Hope I don't need it. Great idea though.
What about hitting them with a cold chisel until they loosen? Like, removing the seat bolts.
Well done!
I don't have Durametric, but still have to get the sensors out to check them over. (the beep-test fine).
What's the bolt type that retains the sensor?
Dan
First of all, great video! When I try to replace my sensor, I will try adding heat to the aluminum around the bolt first since aluminum thermally expands more than steel. While hot, spray in WD40 so the capillary action will draw the lubricant into the threads. Then maybe the bolt will come out without breaking. Be sure to apply Never-seize to the new bolt before inserting. Thanks again. Tim
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