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
paying?

15 Answers

28,065

THEY HAVE TO FIX IT...

580

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.

580

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

580

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

580

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.

580

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

580

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

580

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

580

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.

580

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

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