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What could be making a whining noise from the engine of your 2005 trailblazer could it be the ac condencer or water pump?
Wiki User
∙ 14y ago
The idler pulley is notorious in the TB for going bad. It is an easy, cheap fix. The Power Steering pump would be next on the list, so check to see if you are low on power steering fluid (which causes the pump to whine). If the fluid level is good, go with the idler pulley replacement.
Wiki User
∙ 14y ago
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