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1992 Cadillac Sedan DeVille
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118 Posts
Discussion Starter · #1 ·
Hi I recently got new wiper blades put on my 92 Deville. The ones I had on there were pretty worn, but seemed to wipe fine. Well I got the Rain-X kind from Valvoline, and have had increasingly frustrating problems with them since I bought them. Firstly, they chatter bad, and seem to get "stuck" a bit when in the fully open position. Which isn't a big deal, but they've gotten caught in the hood before and it's damaged one of them. Well anyway, anytime it rains heavily, the blades "stick" and get caught, and the clips that hold them on (and I have still not figured out personally how the clips work) keep snapping off so that the blades come loose. This has happened about 5 times since I got the blades, and everytime I take it back to Valvoline and the guys switch the blades around, reverse the way the clips are on, etc. and say "it should work this time" and it never does.

That problem is not what this post is entirely about, though. Since the last time I took them back, my motor (or something along those lines) has broken. Normally, when you engage the wiper blades, they kind of raise up onto the windshield and when you turn them off, they go kind of under the hood. Well, they stopped doing that. Now, when you turn them on/back off, they lower to the normal position, but they don't set themselves back under the hood. My regular mechanic took a look at it, and he says that the motor is "probably shot" and gave me a cost estimate of $100??? to fix.

My quest is is that price reasonable?? Also does anyone else think it's the motor? Just from experiencing the problem, it feels like my car's windshield doesn't like these Rain-X blades for some reason and they've been getting stuck on the arms so much and snapping off that it's killed the motor in it or something. I'm afraid that if I DO replace the motor, it will just break again with the blades that are on it now. Anyone know where the motor for the wiper blade arms are located? I've never had this much trouble with wiper blades before. Any suggestions? Thanks in advance.
 

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Super Moderator
2010 DTS
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88,155 Posts
I agree. It sounds like the park position of the motor is no longer working. The motor is mounted on the firewall. $100 for parts and labor sound like a good price.
 

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2003 DHS
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153 Posts
Double check that the new arms aren't causing any sort of binding--- you don't want them getting stuck on something.

And agreed with Ranger. $100 to replace it (parts and labor) is reasonable. Personally I'm a bit ghetto, and if it's just a matter of them not seating fully under the hood level.... but they otherwise might work fine (aside from the RainX blade issue) then I'd probably use that $100 for gas money.
 

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1992 Cadillac Sedan DeVille
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118 Posts
Discussion Starter · #4 ·
Okay, so then $100 isn't too bad of a deal... I think when I get them fixed I'm going to just take the POS blades I bought back and get some normal ones. The old factory ones that were on the car worked fine as far as not snapping off went, they just streaked pretty badly because they were so worn. Do you think by replacing the motor and blades, that will stop the chattering? Or would I need to replace the wiper arms themselves to solve that?

Also would it be possible to buy the motor and replace it myself? Anybody have an documentation on how to do that?
 

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70 Deville 77 Fleet 78 Seville 92 Deville 03 Deville
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3,310 Posts
Don't we all love Wiper blade problems? I've got a couple new sets on my newer cars and they chatter and streak. The old Anco wipers on my Seville are 15 years old and they still work nice and quiet without streaking. I don't dare to change them until the rubber falls off of them. My 92 Deville doesn't park all the way down. When they are on delay they are up 6 inches or so on the windsheild and when I turn them off they go to the bottom of the windshield but they don't hide under the hood as well as i would like. I just figured that's just the way they were.
 

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Super Moderator
2010 DTS
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88,155 Posts
It's the blades, not the motor that cause chattering. I find that Anco blades with a Rain-X application works great. Rarely ever even use my wipers. Replacing the motor should be pretty straight forward. Personally, I'd take it apart and see how it works and see if I could figure out the park position problem.
 

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1992 Cadillac Sedan DeVille
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118 Posts
Discussion Starter · #7 ·
So would you guys recommend ditching the Rain-X blades and switching to a better brand? Also, what if I do switch brands and they continue to chatter? Could there possibly be a problem with the arms themselves?
 

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Super Moderator
2010 DTS
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88,155 Posts
Chatter is usually caused by the blades or the windshield. Scrap the windshield with a razor blade and clean it with BonAmi. An application of Rain-X always makes my wipers run smooth as silk (when I use them), your choice on that. If that doesn't help, I'd use the OEM blades. I believe they are Anco. They work for me.
 
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