Rear Wiper Arm Replacement - Toyota Sienna Forum - siennachat.com
 
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post #1 of 6 (permalink) Old 02-29-2012, 01:09 AM Thread Starter
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Unhappy Rear Wiper Arm Replacement

So i got a replacement arm, genuine toyota part,but im having trouble installing it since the old end wont come off. Any instructions or diagrams would be much appreciated.

Thanks



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post #2 of 6 (permalink) Old 02-29-2012, 01:04 PM
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Re: Rear Wiper Arm Replacement

It is just something that you are going to have to do battle with. You'll notice by looking at the new arm that the bushing is ridged and tapered. Tightening the nut presses it on, and it's not going to come off willingly. Basics:

1) Penetrating oil to loosen the 'cold weld' effects of dissimilar metals pressed together.
2) Grab whats left of the arm and wiggle it
3) With a wood block wrapped in soft cloth to protect the glass and bodywork, get something underneath to very gently pry upward while wiggling the arm.

With luck, it should eventually come loose.

Current: '15 Sienna Limited Premium (FWD), '14 Subaru Outback, '13 Honda CRV AWD.

Past: '08 Sienna LE (FWD), '02 Subaru Outback, '02 Honda Odyssey EX
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post #3 of 6 (permalink) Old 02-29-2012, 02:06 PM
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Re: Rear Wiper Arm Replacement

Use plenty of penetrating oil, loosely put the nut back on to protect the threads and use a pulley puller to break it free.
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post #4 of 6 (permalink) Old 02-29-2012, 02:46 PM Thread Starter
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Re: Rear Wiper Arm Replacement

Quote:
Originally Posted by fibber2 View Post
It is just something that you are going to have to do battle with. You'll notice by looking at the new arm that the bushing is ridged and tapered. Tightening the nut presses it on, and it's not going to come off willingly. Basics:

1) Penetrating oil to loosen the 'cold weld' effects of dissimilar metals pressed together.
2) Grab whats left of the arm and wiggle it
3) With a wood block wrapped in soft cloth to protect the glass and bodywork, get something underneath to very gently pry upward while wiggling the arm.

With luck, it should eventually come loose.
Thanks im trying this but the bugger is on pretty tight, so should i just pull forward or try turning anti clockwise while pulling?
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post #5 of 6 (permalink) Old 02-29-2012, 04:02 PM
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Re: Rear Wiper Arm Replacement

I've never had one so stuck that a minor amt of what I suggested wouldn't break it free. TonyVir's suggestion is the next level up and the safest way to go. Too much yanking is liable to damage the motor gearbox output shaft or the seal. Inexpensive pullers can be purchased at a tool place Harbor Freight.

Current: '15 Sienna Limited Premium (FWD), '14 Subaru Outback, '13 Honda CRV AWD.

Past: '08 Sienna LE (FWD), '02 Subaru Outback, '02 Honda Odyssey EX
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post #6 of 6 (permalink) Old 02-29-2012, 11:25 PM Thread Starter
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Re: Rear Wiper Arm Replacement

Quote:
Originally Posted by fibber2 View Post
I've never had one so stuck that a minor amt of what I suggested wouldn't break it free. TonyVir's suggestion is the next level up and the safest way to go. Too much yanking is liable to damage the motor gearbox output shaft or the seal. Inexpensive pullers can be purchased at a tool place Harbor Freight.
Thanks for the input im still confused as to how i took it off, but after struggling for a while i went back out turned the motor on and then shut it off and just tapped down clockwise and the mechanism popped off. But i thank everyone that took the time to respond to my issue love this forum
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