New wiper blades how-to for the truly OCD types.

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So after 300,000 or so miles of owning 80s and caring for them, today I find out that I've been mistreating them all when I changed the wiper blades. Ordered some new rubber inserts for my 93, and complete new blades (includes the metal part that holds the rubber inserts also) for the 97 from Cdan.

Put the 97's new blades on - snap, snap just like high end OEM stuff should go - flawless fit. BTW, Consumer Reports rated the Toyota rubber inserts as some of the best blades even up against high end aftermarket stuff like Bosch, etc so if you hate streaking get the Toyota parts.

Anyhow, I'm assembling the new rubber inserts for the 93 and while getting the thin metal stays into one I noticed for the first time that Toyota puts a nifty little diagram that shows I've been putting the notches pointing out incorrectly all these years (they're supposed to point against the rubber). Intrigued, I start reading the directions (hey, there's a concept). Huh? The curved stays I've always assumed should be installed in such a way that the wiper is precurved concave just like the windshield surface, but Toyota wants the passenger wiper to be curved the other way? Really?

Realizing that this may be why those new blades I just put on the 97 out in the drive had "driver" and "passenger" on the boxes even though they were otherwise identical, I went out to see which direction they curved. Sure enough, the driver's curves concave and the passenger's curves convex when you pull them off the glass. Unbelievable.

I hit the washers on the 93 and watched in disbelief as both wipers cleaned the fluid off absolutely PERFECTLY - not even a streak. Yes, there is a difference - these 160,000 mile blades always work well, but with this subtle difference they seemed to mold perfectly to the glass as they wiped their different shaped sections of the windshield.

So, pay attention to Mr. Toyota. One of those little things that makes a big difference, and something that even a veteran 80 guy can learn. My gift to the OCD crowd for the weekend....

DougM
 
I have always considered myself pretty OCD and I never would have considered reading the directions or even noticed the two sides were different. Thanks for sharing.
 
This may be the new way to separate us OCD types from you "others". Upon meeting you at Moab, we'll be the ones discreetly lifting wipers to see if your passenger side is properly convex and the driver's the opposite. Since they'll go on either way, it could be the more subtle version of the 40 owner's upside down vs right side up grille to separate out REAL owners...

DougM
 
Just installed OEM wiper blade assemblies all around today. Excellent wiping now. It even gets that spot at the bottom of the passenger side.

Thanks Dan.

Dave
 
I just installed new OEM blades. They came pre-loaded from Mr. T with the rubber inserts. I installed the "D" blade on the US drivers side and "P" blade on the passenger side. I also verified that the notches in the metal inserts face the rubber as described by IdahoDoug. But....... my driver side curves convex (opposite) to the windshield surface and my passenger side is straight. This differs from IdahoDoug's findings. It seems that convex vs. concave is more a function of the blade rather than the rubber insert, and perhaps minor differences in tolerances could result in the wiper curving in either direction.

I don't want to be embarrassed if an OCD-type lifts my wipers and finds fault with my curvature. This could be a more critical issue than head gasket PMs, driving on pavement with CDL on, and 80 vs. 100 debates.

Anybody else with new OEM blades care to weigh in on this? Living in Arizona it might be six months before I can put my wipers to the test.
 
driver side blade and insert part # 85222-1G080 list $19.94 and paid $11.99
passenger side blade and insert #85212-16120 list $16.30 and paid $11.99

Might have done better with "smart shopper" pricing, but was in a hurry and went to the stealership one mile from my house.
 

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