how did u clean your tanks?
Thread Starter
Senior Member
Joined: Jun 2011
Posts: 939
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From: Detroit, MI
Car: 1987 IROC-Z red t-top
Engine: Nothing much
Transmission: I wish t56
Axle/Gears: 9bolt 3.27 4sale
how did u clean your tanks?
I was doing some cleaning under the hood hiding wires and what not but the dirty washer and overflow tanks just stand out with the new paint and what nots. What did you do to clean yours.
Joined: Jun 2000
Posts: 5,364
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From: Enschede, Netherlands
Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: how did u clean your tanks?
buy new ones
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From: ms. gulf coast
Car: 91 R/S , 89 dodge p/u
Engine: L31 GM crate re-cammed , 318
Transmission: T-5 , 4 speed auto
Axle/Gears: 3.42 , ?
Re: how did u clean your tanks?
outside of tanks no problem , inside not so easy . a method i have used with good results . don't laugh , "LIQUID PLUMBER GEL" . remove tanks , flush & rinse . wrap a few old nuts & bolts in a rag , secure them in rag & insert in tank , plug/cap all openings , pour in liquid plumber . slosh around all sides , let sit 15-20 mins. on each side , slosh around again . use liquid plumber full strength (use care , you can get burned) , rinse & repeat as needed . final step , remove rag , wash & rinse inside with soap & water . "DON'T LAUGH" , it DOES work . good luck .
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From: WINDSOR, CO
Car: 91 Z28, 87 SC, 90 IROC, 92 RS
Engine: LS1, 305 TPI, L98, NADA
Transmission: T56, 700r4's, and NADA
Axle/Gears: 3.89, 3.42, 3.23, NADA
Re: how did u clean your tanks?
^^^ This is pretty close to what I used when cleaning the overflow bottle on my vert.
I used brake FLUID on the exterior to clean the plastic with really good results, but I removed the tank and soaked in a large tub with mixture of bleach, water, and some toilet bowl cleaner with bleach (I'm no chemist, so mix your chems carefully). I left my tank completely submerged for almost 48 hours, and it cleaned it really well.
Before:

After:

My washer tank I only cleaned the exterior using brake FLUID and a small scrub brush covered with a rag to prevent splatter of the BF.
Before:

After:
I used brake FLUID on the exterior to clean the plastic with really good results, but I removed the tank and soaked in a large tub with mixture of bleach, water, and some toilet bowl cleaner with bleach (I'm no chemist, so mix your chems carefully). I left my tank completely submerged for almost 48 hours, and it cleaned it really well.
Before:

After:

My washer tank I only cleaned the exterior using brake FLUID and a small scrub brush covered with a rag to prevent splatter of the BF.
Before:

After:
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From: NYC
Car: 1982 Recaro TA, 1989 TTA#948
Re: how did u clean your tanks?
I tried the toilet bowl cleaner and bleach thing. I bought the wrong toilet bowl cleaner and wound up with some kind of reaction going on - good thing I had it outside because it might have turned into a hazmat incident. Anyway - I got them clean, but not perfect. i think a nest coolant tank is on my needed list. I will have to live with my washer fluid tank, as that one is unobtainable unless I settle for something that doesn't look correct.
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From: Triad, NC
Car: 89 RS
Engine: Stock L03
Transmission: Stock T5
Axle/Gears: Stock, Too high
Re: how did u clean your tanks?
I tried the toilet bowl cleaner and bleach thing. I bought the wrong toilet bowl cleaner and wound up with some kind of reaction going on - good thing I had it outside because it might have turned into a hazmat incident. Anyway - I got them clean, but not perfect. i think a nest coolant tank is on my needed list. I will have to live with my washer fluid tank, as that one is unobtainable unless I settle for something that doesn't look correct.
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From: NYC
Car: 1982 Recaro TA, 1989 TTA#948
Re: how did u clean your tanks?
The 82-87 washer reservoir is incorrect for the early third gens. There was a second design. It will work but will not look correct.
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Joined: Apr 2012
Posts: 1,353
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From: Streetsboro Oh
Car: 1987 T/A WS6 T-Tops/92 RS
Engine: LB9/3.1
Transmission: 700R4/700R4
Axle/Gears: 2.73/3.23
Re: how did u clean your tanks?
^^^ This is pretty close to what I used when cleaning the overflow bottle on my vert.
I used brake FLUID on the exterior to clean the plastic with really good results, but I removed the tank and soaked in a large tub with mixture of bleach, water, and some toilet bowl cleaner with bleach (I'm no chemist, so mix your chems carefully). I left my tank completely submerged for almost 48 hours, and it cleaned it really well.
Before:

After:

My washer tank I only cleaned the exterior using brake FLUID and a small scrub brush covered with a rag to prevent splatter of the BF.
Before:

After:

I used brake FLUID on the exterior to clean the plastic with really good results, but I removed the tank and soaked in a large tub with mixture of bleach, water, and some toilet bowl cleaner with bleach (I'm no chemist, so mix your chems carefully). I left my tank completely submerged for almost 48 hours, and it cleaned it really well.
Before:

After:

My washer tank I only cleaned the exterior using brake FLUID and a small scrub brush covered with a rag to prevent splatter of the BF.
Before:

After:

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iTrader: (11)
Joined: Mar 2006
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From: WINDSOR, CO
Car: 91 Z28, 87 SC, 90 IROC, 92 RS
Engine: LS1, 305 TPI, L98, NADA
Transmission: T56, 700r4's, and NADA
Axle/Gears: 3.89, 3.42, 3.23, NADA
Re: how did u clean your tanks?
Looks great? How the hell do you get the bolt off for the overflow that goes to the strut tower, you know the one that is a 10mm that is behide the wheel well liner? I tried for 15 mins at the junk yard and the whole shaft just spun-did not see a way to get a tool inside the bottle.
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From: WINDSOR, CO
Car: 91 Z28, 87 SC, 90 IROC, 92 RS
Engine: LS1, 305 TPI, L98, NADA
Transmission: T56, 700r4's, and NADA
Axle/Gears: 3.89, 3.42, 3.23, NADA
Re: how did u clean your tanks?
Thanks. I haven't ever really heard of it either. I used it to remove paint from a plastic part years ago, and hadn't really tried to test it capabilities until I got the messy vert. Figured if it would remove paint it could remove other random crud on plastic. I used it in various underhood areas with awesome results, pics in my thread for the vert.
Joined: Nov 2010
Posts: 5,892
Likes: 84
From: Mantua NJ
Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: how did u clean your tanks?
Good job,looks great.I want to ask you if the windshield washer bottle you have, is it for a cruise control model ???
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From: WINDSOR, CO
Car: 91 Z28, 87 SC, 90 IROC, 92 RS
Engine: LS1, 305 TPI, L98, NADA
Transmission: T56, 700r4's, and NADA
Axle/Gears: 3.89, 3.42, 3.23, NADA
Re: how did u clean your tanks?
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Joined: Jul 2001
Posts: 4,627
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From: Houston Area
Car: Faster
Engine: Than
Transmission: You!
Re: how did u clean your tanks?
Remove tanks, cap bottom hole, fill half way with a bleach solution (75% bleach / 25% water), cap top hole, shake the crap out of it until clean. Spray same solution on exterior of tanks and let soak for 30 minutes (keep it wet with solution). Rinse tanks inside out with water. They will look great!
Joined: Nov 2010
Posts: 5,892
Likes: 84
From: Mantua NJ
Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: how did u clean your tanks?
this bottle is off a 87 TA,I've replaced it with an original one,witch by the way,was so hard to find.
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Joined: Mar 2006
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From: WINDSOR, CO
Car: 91 Z28, 87 SC, 90 IROC, 92 RS
Engine: LS1, 305 TPI, L98, NADA
Transmission: T56, 700r4's, and NADA
Axle/Gears: 3.89, 3.42, 3.23, NADA
Re: how did u clean your tanks?
Our washer bottle look to be the same. You just have your battery mounted where the cruise is mounted, and gets moved up to the fender - Firebird.
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Joined: Apr 2008
Posts: 2,342
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From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Re: how did u clean your tanks?
I tried the toilet bowl cleaner and bleach thing. I bought the wrong toilet bowl cleaner and wound up with some kind of reaction going on - good thing I had it outside because it might have turned into a hazmat incident. Anyway - I got them clean, but not perfect. i think a nest coolant tank is on my needed list. I will have to live with my washer fluid tank, as that one is unobtainable unless I settle for something that doesn't look correct.
If you breathe any of it in you will have a VERY bad day!
Joined: Oct 2001
Posts: 12,214
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Member
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From: new york , n.y. , USA
Car: klowny1969 <-youtube 4 3rd gen vids
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Re: how did u clean your tanks?
This is how to take off a thirdgen overflow tank:
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Posts: 478
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From: Los Angeles
Car: 1991 RS/B4C clone
Engine: 355 TPI
Transmission: Probuilt Street/Strip 700r4
Axle/Gears: 7.625 axle with 3.23 gears/TrueTrac
Re: how did u clean your tanks?
^^^ This is pretty close to what I used when cleaning the overflow bottle on my vert.
I used brake FLUID on the exterior to clean the plastic with really good results, but I removed the tank and soaked in a large tub with mixture of bleach, water, and some toilet bowl cleaner with bleach (I'm no chemist, so mix your chems carefully). I left my tank completely submerged for almost 48 hours, and it cleaned it really well.
Before:

After:

My washer tank I only cleaned the exterior using brake FLUID and a small scrub brush covered with a rag to prevent splatter of the BF.
Before:

After:

I used brake FLUID on the exterior to clean the plastic with really good results, but I removed the tank and soaked in a large tub with mixture of bleach, water, and some toilet bowl cleaner with bleach (I'm no chemist, so mix your chems carefully). I left my tank completely submerged for almost 48 hours, and it cleaned it really well.
Before:

After:

My washer tank I only cleaned the exterior using brake FLUID and a small scrub brush covered with a rag to prevent splatter of the BF.
Before:

After:

Holy crap, how did you clean everything else? Your air box, plenum, etc all look spotless! How did you do that? I need to clean up my engine bay something fierce.
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iTrader: (11)
Joined: Mar 2006
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From: WINDSOR, CO
Car: 91 Z28, 87 SC, 90 IROC, 92 RS
Engine: LS1, 305 TPI, L98, NADA
Transmission: T56, 700r4's, and NADA
Axle/Gears: 3.89, 3.42, 3.23, NADA
Re: how did u clean your tanks?
https://www.thirdgen.org/forums/conv...le-92-z03.html
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Joined: Oct 2011
Posts: 134
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From: South Bend,IN
Car: '97 TA WS6 vert & '88 Formula 350
Engine: LT1 & 383 HSR
Transmission: T-56 & T-56
Axle/Gears: 3.42 & 3.27
Re: how did u clean your tanks?
Nice work. My tanks are the biggest eyesore in my engine bay. I have been contemplating a way to hide them so I don't have to look at 'em!
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