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#1
10-10-2007, 08:29 AM
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secondary air pump systems
I'm new so be easy. I have a 2000 Chevy Blazer 4.3 L and have had problems with my smog pump in the past. I purchased a replacement on line and it worked fine until gasket material froze the fan blade and burned up the motor. In searching for a new replacement, once again, I noticed that the part #'s for the 2000 and 2001 were different and yet the two pumps were identical. What is the difference between the GM #12560095 and the #12568324? Could it be the hose configuration from an earlier recall?
Please help! 
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#2
10-12-2007, 01:56 PM
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Re: secondary air pump systems
Here is a how to on air pumps.
Hope it helps. http://www.automotiveforums.com/vbul...d.php?t=564664 MT
__________________
Remember proper testing gives us the answer to many problems. MT
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#3
10-12-2007, 03:55 PM
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Re: secondary air pump systems
That original posting enabled me to replace the last smog pump, that I purchased from a local junk yard, about this time last year. It also, because of it's content, is what prompted me to join AF this time around. It was so informative that I thought you were alongside me doing the job. Much obliged for that.
I guess in trying to save a buck and being somewhat mechanically inclined I figured if the pumps were the same that I could adapt the hose configuration. Unfortunately, I bought the Blazer, used, after the recall to upgrade the hoses etc. anyway. The dealer wants almost $400 for just the new pump and hoses parts. Forget about the check valves and fittings if needed. I'll make it work! All I know is that when I replaced the previous one my gas mileage went up 2 miles to the gallon. Thanks again MT 
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#4
10-12-2007, 06:11 PM
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Re: secondary air pump systems
You are welcome and good luck.
If there was a recall the dealer should take care of it. A recall they pay. A tsb you pay. Maybe try another dealer. Also you might PM e mail Muddog and see it he can help you some. I Have never been into them. Muddog's how to is good info on them. MT
__________________
Remember proper testing gives us the answer to many problems. MT
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