How to Remove Your Smog Pump From Your Serpentine Belt Equipped Third Gen.

jasonlitka  Mar 31 2006 - 5:02pm   
By Pablo Morales (olbap@bellsouth.net)


Many a time I have wondered how to get rid of the smog pump on my serpentine belt equipped car. Not only is it a parasitic device on the engines power output but it also adds weight and clutters up the engine bay. After experimenting with modifying the balancer and different length belts I realised it was just about impossible using the stock belt routing. I was made aware of the best way to remove it on our tech board by those who have done it.

Remember, removing emmisions equiptment is only for those who undergo no emmisions testing or whos vehicles are for racing only.

Its very simple really, the whole trick lies in the belt routing. The stock setup in a clockwise manner: Tensioner, over the alternator, down to the power steering pump, under the crank, under and over the water pump, back to the ac compressor. The problem in just removing the pump with this belt routing is that the tensioner will interfere with the belt coming off of the water pump to the AC compressor.

To remedy the situation a different belt routing is neccesary. Clockwise instead of having the belt coming off of the power steering pump going to the bottom of the crank, have it come up over the top of the water pump, back under the waterpump then around the crank and off the bottom of the crank to the AC compressor. All of your accessories will turn as they did, and you will be able to remove the polution pump. If this all sounds A little confusing, look at the picture below. Courtesy of MadMax

You will however need a longer belt, I used Dayco 968K6 belt. It is basically a 96.8" 6 rib belt. All parts stores stock just about every length of belt in every width. They should be able to find it using these numbers. If you have an underdrive pully you will need Dayco pn# 935K6 which is actually shorter than the stock belt by one inch.





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Special thanks to Bill Kirsch and MadMax for making this article possible.

 
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