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Contributor
6 Answers
- Posted on Aug 30, 2009
Re: I have a 1990 buick regal 3800 V-6 when engine idles...
Explain rattling noise. you can take off the fan belts. start engine briefly to see if engine stil makes noise. that will tell you if its engine or the acc.
Thank you I will have someone check the harmonic balancer. Could the noise be the timing chain?
make sure it is not the catalytic convertor causing it. could also be the harmonic balancer these are notorius for coming apart it has a rubber liner in that breaks take a look at this.
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