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

4+3 Filter change

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Old Jun 3, 2003 | 06:46 PM
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Default 4+3 Filter change

I just ordered the kit from MA to change the gasket and filter for the 4+3, any tips on doing this or is it pretty straight forward. I have acess to a lift so getting under the car is not a problem. Thanks
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Old Jun 3, 2003 | 08:32 PM
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Default Re: 4+3 Filter change (Storz)

ttt
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Old Jun 3, 2003 | 09:05 PM
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Default Re: 4+3 Filter change (Storz)

I just ordered the kit from MA to change the gasket and filter for the 4+3, any tips on doing this or is it pretty straight forward. I have acess to a lift so getting under the car is not a problem. Thanks
This is probably the easiest of the jobs you can do. Just dont overtighten the bolts and put a bead of gasket sealer around the lip on the gasket for extra measure.

I have done it with and without the sealer and it leaks sometimes without the sealer. :thumbs:
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Old Jun 3, 2003 | 09:38 PM
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Default Re: 4+3 Filter change (ld85)

The best tip, is to throw the gasket away, just use rtv by itself. The gasket gives it twice as many places to leak.

Also, blow out the old fluid out of the cooling lines with compressed air.

Fill it up till it comes out the hole, drive it around a bit, then top it off. (Because cooling lines will pull a bunch of fluid in.)
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Old Jun 3, 2003 | 11:56 PM
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Default Re: 4+3 Filter change (CentralCoaster)

Thanks for the tips :cool:
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Old Jun 4, 2003 | 12:03 AM
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Default Re: 4+3 Filter change (Storz)

Throw the filter away and chemically clean the surfaces with brake cleaner. I highly recommend using RTV, letting it sit till it is "tacky" to the touch and then installing the pan and letting it sit an hour or two to let it set up some. Then fill about 3/4 quart. Jack both back wheels up and turn them with your hands. This will pump the overdrive unit and prime the lines and transmission. Crawl back under and fill it until it comes out the fill plug.

You'll probably need a small hand pump to fill it as there is no way to get a container up against hte transmission unless you flip the car over. :)
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Old Jun 4, 2003 | 12:36 PM
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Default Re: 4+3 Filter change (scorp508)

there is no way to get a container up against hte transmission unless you flip the car over.



[Modified by CentralCoaster, 9:37 AM 6/4/2003]
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Old Jun 4, 2003 | 01:54 PM
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Default Re: 4+3 Filter change (CentralCoaster)

We have a lift and a big syringe with a tube on the end to fill the OD unit back up
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