Problem Reports
Lexus GS350
Report: Brief Rattle or Knocking Noise on Initial Start Up
Lexus GS350 Problem
Model Years Affected: 2007, 2008
Average Mileage: 65,166 mi (44,000 mi - 77,500 mi)
A brief rattle or knocking noise may be noted on initial start up. Our technicians tell us if the noise is determined to be coming from the timing chain area, there are updated variable timing gears available to correct this issue.
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Report #1Chaz44, 2007 Lexus GS350, 77,500 mi
RookieA brief rattle noise when starting engine...dealer says they can't duplicate. But it sounds like bearing tome
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Report #2Visitor, 2007 Lexus GS350, 44,000 mi
There is a brief rattle heard upon startup intermittently.
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Report #3Visitor, 2007 Lexus GS350, 74,000 mi
Rattle every once in awhile when I start the car. It sounded like a loose heat shield to me at first, but it only happens once every 7-8 starts...seems to happen most when I start up the car in the morning, or after it sits for more than 12 hours without a start. I have heard this is a problem with the cam gears and that there is a service bulletin for this issue, but I am wondering if it would be covered for me since the car is out of warranty?
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