crankshaft not working after replacing alternator

Asked by Jun 05, 2017 at 02:36 PM about the 2006 Toyota Avalon Touring

Question type: Maintenance & Repair

Had firestone replace my alternator, now they are
saying my car wont start and need to replace
crankshaft for additional 600 bucks. My car was
starting perfectly fine before taking it in. Is it
something they did? Should i be responsible for

15 Answers




The crank sensor wires run right there along the alternator. More and likely they snagged the crank sensor wiring when removing alternator. They need to be responsible. Common issue when rushing instead of removing harmonic balancer.


And moving crank sensor. It's part of the procedure on the toyota Dianna. Pretty sure the avalon is the same procedure

1 of 1 people found this helpful.

He insists that changing the alternator is no where near the sensor and maybe the sensor was going bad already and after changing the alternator it went totally bad. My car never had an issue starting. Now he trying to say because i refused a diagnostic there no way of telling if it was bad before fixing the part. But he said ran a check in the alternator which was found to be bad just like i said

He says sensor is all the way in the back under the motor


No ma'am the sensor is located on side of motor it's mounted to block that picks up the tone ring on crankshaft timing gear. The wires from crank sensor run up side of motor right beside alternator. The car was running before and now it's not. You can Google it and it will show exactly where it's at


All toyota motors that are mounted for front wheel drive that run timing belt has a crank sensor that runs up side of motor and attach behind or right around alternator. The 2.2. The 3.0. The 3.3. And the 3.5.


They broke the sensor. Don't let them tell you otherwise. I've worked on many toyotas. Just Google it. And show technician.

1 of 1 people found this helpful.

Thanks so much!!! Heading back there now. Took your advice as well and watch a video confirming everything you said


You are very much welcome. Tell the mechanic that you will show him where the sensor is and where the wires run

Still trying to say that the sensor may have gone bad after replacing the alternator. "Its a chain of events"

I just asked him to show me where the sensor is, he said well the technician already left. Let me see what i can do. Because we both already know where the sensor is


Yes ma'am. Don't let them get you. Mechanic should have been paying attention. There is also a small bracket attached to the alternator that holds the crank sensor wiring so it doesn't get tangled in belt


The sensor just doesn't go bad. I've hardly ever have to replace a crank sensor on any toyota. You would have been experiencing some symptom of running issues. Hard start or very sluggish acceleration or running at all.


Also they have already lied to you telling you the sensor isn't near the alternator.

Your Answer


Looking for a Used Avalon in your area?

CarGurus has 9,844 nationwide Avalon listings starting at $1,995.


Toyota Avalon Experts

  • #1
    Tom Demyan
  • #2
  • #3
View All

Related Models For Sale

Used Toyota Camry
853 Great Deals out of 72,897 listings starting at $1,400
Used Honda Accord
565 Great Deals out of 92,859 listings starting at $1,495
Used Lexus ES 350
297 Great Deals out of 11,460 listings starting at $4,490
Used Toyota Highlander
450 Great Deals out of 44,700 listings starting at $1,750
Used Nissan Maxima
223 Great Deals out of 18,273 listings starting at $1,500
Used Toyota Corolla
703 Great Deals out of 67,254 listings starting at $1,599
Used Toyota RAV4
506 Great Deals out of 66,352 listings starting at $1,995
Used Nissan Altima
816 Great Deals out of 68,083 listings starting at $750
Used Chevrolet Impala
370 Great Deals out of 27,543 listings starting at $1,499
Used Lexus GS 350
175 Great Deals out of 3,959 listings starting at $5,800
Used Toyota 4Runner
322 Great Deals out of 30,368 listings starting at $2,500
Used Honda Civic
391 Great Deals out of 52,297 listings starting at $1,200
Used Hyundai Sonata
383 Great Deals out of 50,845 listings starting at $1,300
Used Lexus LS 460
79 Great Deals out of 1,880 listings starting at $7,740

Used Cars For Sale

2018 Toyota Avalon Touring For Sale
597 listings starting at $30,676

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.