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Recent content by YMS1975

  1. Y

    How many bolts?

    Hey folks, I'm going to be changing the coolant bypass elbows on my 2005 Grand Prix (Base) tomorrow. I just wanted to know how many bolts are there on the belt tensioner assembly for my Series III engine?
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    Heater Core? Cooling System? HELP!

    Hey folks, I've seen a few threads that seem related to this new problem I'm having but I've got a couple of symptoms and each of the threads only list one symptom or the other. Recently I noticed excessive coolant usage. I fill up the reservoir and it's gone two days later; yet when I pour it...
  3. Y

    P4020 - Catalyst Converter Below Efficiency Threshold (Bank 1)

    So I got a P4020 code (Catalyst Converter Below Efficiency Threshold [Bank 1]). Is it safe for me to assume that "Bank 1" is the pre sensor, and not the the post? Also, just to confirm....I want to make sure that there are only 2 oxygen sensors on my 2005 Grand Prix (Base Model). Lil' help?
  4. Y

    Bolt won't go in pulley

    Hey guys, I've got a question about the pulley system for the serpentine belt on a 2005 Grand Prix (Base model). This morning as I was driving, I noticed a rattling sound. I popped open the hood and the first thing I noticed was the pulley right next to the alternator. The bolt was out, just...
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    2005 - Base Model - Serpentine Belt Pattern Diagram

    Hey folks, I'm looking for a diagram of the 2005 Grand Prix (Base Model) serpentine belt pattern. Anybody???
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