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Pete
Pete, Technician
Category: Lexus
Satisfied Customers: 24668
Experience:  Over 17 years diagnosing and repairing automobiles various makes and models with some training and certifications.
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I was driving when all of a sudden I hear a toc-toc sound (

Customer Question

I was driving when all of a sudden I hear a toc-toc sound ( like a loose bolt falling ) and then the wiper blades stopped working. I can still hear the wiper motor running but it is some how not connected to the blades anymore....can I re-connect the motor to the wiper blade....George
JA: Have you checked the fuses? Do you know if there is power to the wiper motor?
Customer: yes, I can still hear the motor running
JA: What is the model/year of your Lexus?
Customer: ES(###) ###-####
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I haven't tried anything yet....yes, I would like to fix it myself if you could show me where is the motor is and where the connection is made....
JA: Anything else you think the mechanic should know?
Customer: That's it...
Submitted: 4 months ago.
Category: Lexus
Expert:  Pete replied 4 months ago.

Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.

Usually it is the wiper linkage assembly that comes apart.It is held together with compression pivot fittings that fall apart and the linkage assembly usually needs replaced.The linkage assembly will need accessed under the windshield cowling at the base of the windshield to inspect it to determine for sure if it needs replaced.

https://www.dropbox.com/s/eefwycrc9r3sx00/wipe-07-14.gif?dl=0

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service.You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.

Thanks Pete

Customer: replied 4 months ago.
How do I get access to the linkage assembly ? How d I remove the windshield cowling to get the access ...
Expert:  Pete replied 4 months ago.

Below is the info on how to access it for inspection and repair or replacement.

REMOVAL

1. REMOVE COOL AIR INTAKE DUCT SEAL
2. REMOVE HOOD HINGE COVER (for LH Side)

https://www.dropbox.com/s/wyjns07zysuhfo5/w-07-14.gif?dl=0

a. Disengage the 4 claws and remove the hood hinge cover.

3. REMOVE HOOD HINGE COVER (for RH Side)

https://www.dropbox.com/s/dqopkhpwqo1em8o/wi-07-14.gif?dl=0

a. Disengage the 4 claws and remove the hood hinge cover.

4. REMOVE ENGINE ROOM SIDE COVER LH

https://www.dropbox.com/s/16zgbn5vqtoc9mu/c-07-14.gif?dl=0

a. Remove the 6 clips, and the engine room side cover LH.

5. REMOVE ENGINE ROOM SIDE COVER RH

https://www.dropbox.com/s/vfjleefsnx2ninj/co-07-14.gif?dl=0

a. Remove the 5 clips, and the engine room side cover RH.

6. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH

https://www.dropbox.com/s/4gf78jfbxewupli/b-07-14.gif?dl=0

a. Remove the nut, and the front wiper arm and blade assembly LH.

7. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH

https://www.dropbox.com/s/4m89t3gdoxjvdm5/bl-07-14.gif?dl=0

a. Remove the nut, and the front wiper arm and blade assembly RH.

8. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY

https://www.dropbox.com/s/m9z959phnc5zsj4/bla-07-14.gif?dl=0

a. Disengage the 2 clips and separate the hood to cowl top seal.
b. Remove the 2 clips.

https://www.dropbox.com/s/xzbqpt7tcgp2fxv/blad-07-14.gif?dl=0

c. Disengage the 6 claws and remove the cowl top ventilator louver sub-assembly as shown in the illustration.

NOTE: When removing the cowl top ventilator louver sub-assembly, hold the front fender to cowl side seals by hand to prevent them from coming off the windshield. The front fender to cowl side seals are attached to the windshield with double-sided tape. Once the front fender to cowl side seals come off, the adhesion of the tape is reduced. The double-sided tape is not available as a supply part. If the tape loses its adhesion, it is necessary to apply new high-heat resistant double-sided tape and install the front fender to cowl side seals to the windshield.

Once all of this is out of the way then the wiper motor and linkage can be seen.

Let me know if you need anything else and feel free to rate my help here as this is how I receive credit for my time.

Thanks Pete

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