STi weird shaking and tapping sound
Thread Starter
Registered User
Joined: Jul 2005
Posts: 131
From: Oakland/Davis
Car Info: aggressive 05 STi
STi weird shaking and tapping sound
this morning i started up my car and it just started shaking pretty bad and i heard a constant loud tapping sound from the motor, i poped the hood and i could see the motor shake. It calmed down when the rpm dropped down and the motor warmed up. It felt pretty normal after that. I was wondering if it was something to worry about and what could it be that was shaking? could it be b/c i didnt drive the car for 2 days? the car is a 05 sti w/ only 6300 miles... thx
Last edited by y2Ldude; Oct 14, 2005 at 06:14 PM.
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Joined: Mar 2003
Posts: 2,023
From: Phoenix, AZ
Car Info: Subaru Impreza WRX 2002
The boxer engine sometimes makes "lifter" noises (valve train issue) when it is cold, and the engine does indeed shake until the oil warms up and is evenly pressurized. My 02 WRX definitle shudders on start-up if the temp drops below 55 or so the night before.
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