Question about 2004 Infiniti G35 Sport Coupe
Whenever i accelerate and i pass over 40mph i hear a rattling sound from under my car, i took the cover out from the bottom but still hear that sound (05 infinit g35) people from work told me might be something is loose inside the engine. What could this be? any suggestions Thank you. this is driving me crazy i already have checked under the car but there is nothing loose, i really need help with this. thank you
It may more than likley be one of the pulley's a quick way to figuring out if this may be the problem is to start the car and while its running spray some wd40 on each pulley and then take the car for a drive over 40mph if it makes the rattling sound around there, do this 1 pulley at a time and if it stops making the sound or it gets quieter after you sprayed with wd-40 then it means that the bearings on that perticular pulley is shot and needs to be repalced either by just pressing in a new bearing or to biy a new pulley it self. This is the perfect oppertunity to just replace all the pulley's with a set of lighter billett units, i would just change all of them at the same time because if one is shot theres a good chance the rest will go real soon, if that noise bothers u, just keep spraying wd-40 as needed until you have replaced it as this will either stop the noise or make it quieter, hipe this helps!
Posted on Oct 30, 2015
Have the cat converter check for internal failure. Check for small rocks between the exhaust pipes and the heat shields.
Posted on Mar 18, 2014
Testimonial: "but the sound comes from the front of the car, i have remove the splash shield cover underneath the car, nothing is loose. i have also check the rear heat cover but nothing is loose. its really annoying the sound and drives me crazy. any other suggestions? plzzzzz need help"
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Posted on Jan 02, 2017
SOURCE: whenever i accelerate and i pass over 40mph i hear a rattling sound from under my car, i took the cover out from the bottom but still hear that sound (05 infinit g35) people from work told me might be
need more.info.here what cover ? where about do you hear this is it when it is cold it happens, or hot or both
Posted on Dec 05, 2013
Testimonial: "i took down the plastic cover under the car, where the oil filter is, i took the whole plastic cover. when ever i put it on Drive and i accelerate more than 40MPH it makes rattling metal to metal sound."
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