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Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
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  Jim Grant's Tech Tips

'2000 Chevy Tahoe, Suspension Click

Q: "I have a "ticking" sound coming from the driver's side, somewhere in the suspension area on my 2000 Chevy Tahoe. The noise occurs, especially on a very hot day, whenever I turn or go over a bump. It sounds as if something is loose and that metal is hitting metal. I have taken my Tahoe back to the dealer for repair numerous times, but to no avail. My Father is a mechanic and we cannot find the source of the "ticking." However, I recently spoke to a friend of mine who states that it is probably coming from bad bushings. Although this is possible, I don't want to spend money on something that may not fix it. Therefore, I am trying to ask an expert before I start doing any repairs."

A: I don’t know about the expert part, but I can tell you that the type of problem you’re describing is intensely high on the difficult to diagnose scale. Why? Because the only way you can create the noise is to drive the vehicle. In the shop it’s next to impossible to create the condition that causes the noise. I trust you’ve closely inspected the tie-rods, ball joints, sway bar links, etc. Watch those sway bar links. Sometimes it’s best just to unbolt the sway bar links and secure the sway bar out of the way. If you’ve done all that, then check/inspect the contact point of the torsion bar to the lower control arm. I have found that the bar will move just a minute amount and will cause a snap/click in the suspension that is maddening to prove. On one vehicle we got some oil into that area and it made the noise louder. The funny part, once the customer knew what the problem was he didn’t want to spend the money to repair it. He wanted us to remove the oil to make the noise go back to where it was.

 
     
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