View Full Version : rattling sound on deceleration
silviaGuyLBC
08-15-2014, 07:09 PM
my s14 runs smooth , just notice a rattling sound when decelerating in gear. Also does it when I get in high RPMs, it sounds like the rattling is coming from front of engine but I cant think of what it would be other than maybe the serpentine belt being loose or something, don't notice it at all performance wise.. running KA24. Any ideas anyone ,
jr_ss
08-15-2014, 07:34 PM
Upper timing chain guide...
silviaGuyLBC
08-15-2014, 08:40 PM
I checked that , already ben taken off.
could be the chain itself check the tensioner
Kaifd3s
08-15-2014, 10:03 PM
Something is probably rubbing against the body. Only way to tell is start looking at everything close to the body of the car for rubbing spots. My intercooler piping was doing that. I could only hear it on decel, turned out I needed to put a new seal by the battery tray.
jr_ss
08-16-2014, 09:52 AM
could be the chain itself check the tensioner
It could also be the guide on the driver side of the motor has rubbed through the plastic coating and is now rattling. Does it do it at idle? Long screw driver and your ear will help narrow down noises.
silviaGuyLBC
08-16-2014, 02:40 PM
ya it definitely does it when I start the engine at first but it goes away seemingly right after it returns to normal idle . ill definetly check that tho
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