Changing Coolant and Washer fluid tanks on a 90 Bonneville - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-05-2006, 05:18 PM   #1
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Default Changing Coolant and Washer fluid tanks on a 90 Bonneville

Hi All,

Just finished swapping out the original coolant and washer tanks on my 1990 Bonneville. The reason was to create more room between the accessory belts and the tanks so the future supercharger belt and torque axis mount can go in without hitting the tanks.

What I used were coolant and washer tanks from a 1994 Park Avenue, which had the coolant tank on the passenger side fender and the washer on the driver side fender. The original 1990 intake airbox has already been deleted in favor of a 3" rice pipe and K&N filter. That left room on the driver'* side fender for the washer tank.

Moving the lines wasn't difficult. I seperated the wiring and hose from the harness all the way back to the firewall, then routed them across the firewall to the pump in it'* new location. The wiring had to be extended about a foot to reach. The hose is just 1/4" rubber line. An extra hole had to be drilled in the strut tower to support the top of the tank. The other holes matched up with pre-existing holes in the body.

Here'* the new washer tank in place:



With the washer tank removed, time to mount the new coolant tank in it'* place. The horn on the passenger side is moved forward to the next mounting hole in the fender, and a bolt and washer put in place at the original hole to make a stud for the coolant tank mounting. A new 3/8" hose finishes the install.



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Old 11-05-2006, 06:12 PM   #2
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your chargin that babe?

tanks look nice and clean, and perfectly in place

what are those other lines that look like they are hooked to the vacuum lines
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Old 11-05-2006, 06:39 PM   #3
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Quote:
Originally Posted by harofreak00
your chargin that babe?

tanks look nice and clean, and perfectly in place

what are those other lines that look like they are hooked to the vacuum lines
that car is bottle fed
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Old 11-05-2006, 07:45 PM   #4
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Quote:
Originally Posted by harofreak00
your chargin that babe?

tanks look nice and clean, and perfectly in place

what are those other lines that look like they are hooked to the vacuum lines
Thanks, I was shooting for it to look like stock. Fortunately GM'* corp. mentality works in our favor. With a little minor "re-engineering" of the mounting points, it goes right in like it was made to fit this car.

The extra lines are for the wet Nitrous-Oxide system. the two things attached to the valve cover are the solenoids. The lines, from left to right, are the fuel feed from the rail to the solenoid, the fuel to the fogger, and the nos to the fogger. The feed line from the bottle comes up the driver side frame rails to the solenoid. The grey can shapped thing behind the front lift ring is the Nitrous feed filter.

Now that I have some room to work on the accessory drive side of the motor, I can start adding the blower item, starting with the double row balancer. The finished car will have both the M62 blower and the bottle hooked up to it.

But, for anyone who likes having access to the accessory end of the motor without having to futz with the removable coolant tank, this is the way to go. Don (jrs3800) suggested using a 92-ish Bonneville washer tank. It is larger than the Buick tank I used, but it also has the fluid level sender which I had no use for. For me, except for "love-bug" season, a gallon of washer fluid in the nose is enough.
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Old 11-05-2006, 09:56 PM   #5
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very nice Curt....you gotta love how GM used the body structure for almost 10 years....you should also think about that 97+ washer bottle like i told ya also
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Old 11-06-2006, 08:56 AM   #6
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jesus christ.

Nitrous?
Supercharger?

What is this a strip car or a daily driver? Im assuming its a daily driver if you are rerouting washer tanks but how cost effective is all this? You get the parts cheap? What all did you have to do to the engine to prepare it for nitro?

I'm not doubting your wisdom at all, Im just having difficulties understanding the why of putting all this into a 16 year old 4 door bonneville.

im a noob here so dont take this the wrong way, please.
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Old 11-06-2006, 02:13 PM   #7
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Quote:
Originally Posted by MadCowboyDisease
jesus christ.

Nitrous?
Supercharger?

What is this a strip car or a daily driver? Im assuming its a daily driver if you are rerouting washer tanks but how cost effective is all this? You get the parts cheap? What all did you have to do to the engine to prepare it for nitro?

I'm not doubting your wisdom at all, Im just having difficulties understanding the why of putting all this into a 16 year old 4 door bonneville.

im a noob here so dont take this the wrong way, please.
Look at it this way...

1995 Bonneville SE 3500 Lbs ( lightest year of its generation )

My 1991 LE comes in at 3390 Lbs... And who would think there would be an SC attached to that motor... And we already know that the Subframe over the years will bolt right up to the body and the provisions for the Torque axis mount are on the 90-91 Bonnevilles... Not sure about the 87-89...

The Frankenbonnie was a 90 SSE, with the powertrain from a 97 SSEi, subframe struts and all bolted right up

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Old 11-06-2006, 02:15 PM   #8
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Looking Good Curt

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Old 11-06-2006, 03:20 PM   #9
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Sweet look..

Don... Randy and I were talking about the spindles possibly being different...other than that.. 97 bolts right up, and as Curt shows us.. Nitrous doesn't need to look gawdy or crazy. Simple, effective and butt kickin.
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Old 11-06-2006, 07:54 PM   #10
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Quote:
Originally Posted by MadCowboyDisease
jesus christ.
Yep, that'* the general reaction I'm looking for.

Yes, it'* a daily driver. Why do all this to a 16 year old (err, now 17 year old) car?

Why Not?
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