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Old 11-07-2007, 01:27 PM   #1
rearviewmirror
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Default SL Water Pump Replacement DIY

It sounds like the water pump bearings are going out. I want to replace it myself but couldn't find a how-to document regarding the replacement. I do have the Haynes manual so it won't be a problem.

My question is this, what else along with the water pump should I order/replace parts wise?

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Old 11-07-2007, 01:40 PM   #2
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Default Re: SL Water Pump Replacement DIY

Just a couple of quick things ...in your profile to the left.. post the year of your Saturn.. it will help those who want to help you..

How many miles on your car?

While you are changing the waterpump, great time for new hoses, an ECTS if its never been changed from the plastic resin one, a new thermostat and clean out the reservoir.

Generally the coolant capacity is about seven quarts...

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Old 11-07-2007, 01:50 PM   #3
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Default Re: SL Water Pump Replacement DIY

This is not a how-to document but you may find some parts of this video helpful.

http://www.youtube.com/watch?v=nRbUjGLviMY

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Old 11-07-2007, 01:54 PM   #4
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Default Re: SL Water Pump Replacement DIY

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Old 11-07-2007, 01:55 PM   #5
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Default Re: SL Water Pump Replacement DIY

I found the how-to no problem.

http://www.saturnfans.com/forums/sho...ight=waterpump

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Old 11-07-2007, 02:03 PM   #6
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Default Re: SL Water Pump Replacement DIY

Since you'll have the cooling system drained, it'd be a good time to replace the thermostat. If the coolant is old, you might wanna just refill with fresh anti-freeze and distilled water. And of course, if you haven't done it yet, this would be an opportune time to replace the ECTS.

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Old 11-07-2007, 06:33 PM   #7
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Default Re: SL Water Pump Replacement DIY

Quote:
Originally Posted by amazinghl View Post
Dammit! I did search! I just searched for WATER PUMP so maybe it was more pages back then I was willing to look.

The car is a 1996 SL2 w/ 112k miles.

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Old 11-07-2007, 06:34 PM   #8
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Default Re: SL Water Pump Replacement DIY

Quote:
Originally Posted by madpogue View Post
Since you'll have the cooling system drained, it'd be a good time to replace the thermostat. If the coolant is old, you might wanna just refill with fresh anti-freeze and distilled water. And of course, if you haven't done it yet, this would be an opportune time to replace the ECTS.
Thank ya.. I just did the all 3 ECTS when I did the radiator change. The coolant isn't even a year old yet but I don't think I'm going to try to save it. I'll just refill with 50:50 of new water/coolant. I'll replace the thermostat as well.

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Old 11-07-2007, 07:15 PM   #9
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Default Re: SL Water Pump Replacement DIY

I searched for waterpump in the HOW-TO section. It was on the first page.

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Old 11-07-2007, 07:18 PM   #10
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Default Re: SL Water Pump Replacement DIY

Quote:
Originally Posted by amazinghl View Post
I searched for waterpump in the HOW-TO section. It was on the first page.
i was searching all forums, then the SL forum. I forgot about the How-To forum.

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Old 11-07-2007, 07:56 PM   #11
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Default Re: SL Water Pump Replacement DIY

Quote:
Originally Posted by rearviewmirror View Post
i was searching all forums, then the SL forum. I forgot about the How-To forum.
You can also go straight to a forum and search at the top of the thread list, where it says "Search This Forum"

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Old 11-07-2007, 10:14 PM   #12
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Default Re: SL Water Pump Replacement DIY

My 1996 SL2 has a Green Sticker on the cap, however, when I changed the radiator out last fall I put DEXCOOL in. I thought all 1996+ cars used DEXCOOL. The car hasn't had any problems running it, and I know the cap is the original OEM cap. Not sure why the green dot is there.

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Old 11-07-2007, 10:30 PM   #13
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Default Re: SL Water Pump Replacement DIY

I *think* the very early '96s were still on the green stuff.

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Old 11-08-2007, 01:17 AM   #14
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Default Re: SL Water Pump Replacement DIY

Quote:
Originally Posted by madpogue View Post
I *think* the very early '96s were still on the green stuff.
I'll check the production date in the morning. I don't think there was any harm in running DEXCOOL so far, at least I hope not.

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Old 11-08-2007, 11:03 AM   #15
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Default Re: SL Water Pump Replacement DIY

Production date:

11/95

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Old 11-09-2007, 12:42 AM   #16
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Default Re: SL Water Pump Replacement DIY

Quote:
Originally Posted by madpogue View Post
I *think* the very early '96s were still on the green stuff.
You are correct. The switch to Dexcool did happen sometime in the 1996 model year, but I no longer remember exactly when. Got an SL2 built in October 1995 using the green stuff over here.

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Old 11-21-2007, 04:13 PM   #17
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Default The switch from Dexcool to green antifreeze...

My 1997 model year SW2 factory order built Aug 2006 and delivered in sept 2006 uses dexcool. I flushed out the dex-cool years ago and switched to the green stuff and have never looked back. I smelled some coolant at around 105K ? but the smell went away. However, the car was stolen and in a light front end accident (radiator not damaged and not replaced).

Previously I always had brown sludge on the radiator cap for the reservoir which is caused by dex-cool being exposed to air. GM is being sued by a ton of owners for the damage dex-cool causes.

I used dexcool in my '92 bmw k75s after I installed a new water pump. The old water pump's fan was spotless at 47K miles & 13 years of service and looked like this:



Less than 3 years later I was resealing my timing cover which required taking the cover off the water pump and it looked like this:



Radiator Cap:


Filler Neck:


Radiator Cap:


Filler Neck:


Keep in mind any dexcool car if switched back to green MUST be flushed: block, heater core, radiator, coolant reservoir. I would do a regular flushing then fill the car with distilled water and get everything hot & heater set to high etc then install the new green stuff mixed 50/50 using distilled water.

I'm the original owner and my car has 122K & 11 years on the original radiator and it still cools great - fan comes on and runs for about 30 to 45 seconds then shuts off. Also, it isn't chronically running like most pre 1996 Saturns. That puts an extra load on the alternator.

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Old 11-21-2007, 04:35 PM   #18
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Default Re: SL Water Pump Replacement DIY

When I replaced my water pump I also replaced the thermostat. I put in new coolant. It was green, but designed to not make the dex cool clump up if mixed. Washed out the reservoir, but didn't flush the system. No problems there.

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Old 11-21-2007, 04:37 PM   #19
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Default Re: The switch from Dexcool to green antifreeze...

Quote:
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Keep in mind any dexcool car if switched back to green MUST be flushed
That green antifreeze is hard to come by nowadays.

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