C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

85 window speed ?

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Old Mar 20, 2009 | 05:54 AM
  #1  
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Default 85 window speed ?

Just wondering why my windows go down very slow. I have to install inner and outer door seals soon, so I am wondering if I should replace anything while it is apart. Thanks
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Old Mar 20, 2009 | 05:59 AM
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This appears to be normal on 85's I have had mine for several years and they have always operated very slowly especially going up but other than that they have never stopped.
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Old Mar 20, 2009 | 07:28 AM
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If you have a spare $200, install the newer style regs. It may not be long before the ribbon breaks.
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Old Mar 20, 2009 | 08:31 AM
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Clean and lube everything. While a littler slower than the later style they should go up and down smooth and at the same speed all the way. I cleaned mine and replaced the switches and it a huge difference.
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Old Mar 20, 2009 | 08:39 AM
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Originally Posted by RWDsmoke
Clean and lube everything. While a littler slower than the later style they should go up and down smooth and at the same speed all the way. I cleaned mine and replaced the switches and it a huge difference.
i installed a new ribbon in the drivers side of my 85, and cleaned and lubed everything. it greatly improved the up/down motion and speed. as i recall, down in 3 sec, and up in 4. not quite as good as my 90 (different mechanism), but acceptable.
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Old Mar 20, 2009 | 09:05 AM
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upgrade
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Old Mar 20, 2009 | 09:50 AM
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Originally Posted by AGENT 86
If you have a spare $200, install the newer style regs. It may not be long before the ribbon breaks.
Was one of the first things I did on my 85. Haven't regretted it one day.
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Old Mar 21, 2009 | 12:11 PM
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mine goes in slow motion up and down, but I dont care as long as it doesnt break. Its more like 5 seconds down for me.
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Old Mar 21, 2009 | 01:59 PM
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I did say upgrade but on the other hand, take into consideration on the aftermarket ribbons. The plastic 20+ years ago vs the ones today. The plastic is going to be stronger. Yes, I know it was made in China but it still is better than that 20+ year old worn down ribbon. The new ribbon should last a goodwhile if the motor holds up.
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Old Mar 21, 2009 | 02:27 PM
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Originally Posted by Demonic85
mine goes in slow motion up and down, but I dont care as long as it doesnt break. Its more like 5 seconds down for me.
Yup, my 85 is the same, I will deal with it when it breaks!
Here is a thread that might help ya!
http://www.corvettefever.com/techart...***/index.html

Last edited by thecatmac; Mar 21, 2009 at 03:43 PM.
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