2006 Infiniti G35 Car rattles when accelerating in low rpm

2006 INFINITI G35
57,500 MILES • 6 CYL • 2WD • MANUAL
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REALDEAL26
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To make this short I have an annoying rattling in my g35. When I take off in first my car rattles until I hit about 3k rpm. It does it as well if im already traveling at speed and have to slow down and if i dont downshift and have to start off again in low rpm it rattles until im in the 2.5k-3k rpm range. It stops when im at speed in any gear.
Mar 31, 2010 at 5:29 PM
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CMRZ
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It is normal for a manual transition car. Just means that you are at the wrong RPM/ Gear for the speed you are traveling at.

Try giving it more gas when taking off in 1st ... maybe around 2K until you get to a comfortable RPM where there is no shaking.

as far as the second part of your question relating to downshifting --- well.... if you don't downshift then the car will rattle until you get back up to speed. Remember the G has 300 horse power which is plenty to accelerate in 6th gear from 15-20 mph but its not good and the car will rattle. Instead shift down to 2nd and accelerate appropriately to be smooth and save on gas.
Apr 30, 2010 at 9:21 AM