but it does almost disappear when the exhaust pipe is hot. Yep, i can say that is close to what my car does too, rattle at cold startup for at least 30 seconds until the engine revs slow from fast idle, then we only notice a rattle when arriving home in the garage. 2D60 VANOS, exhaust: control fault, camshaft stuck. If you hear a loud knocking or a rattling noise from under your vehicle, it can be a cause of an exhaust pipe that is coming loose and is striking the underfoot pan. The catalytic converter is an emissions control component in your exhaust system. Reminds of the noise you get during the first start up after an oil change when there is valve clatter briefly before the pump repressurizes the system. I am running aftermarket exhaust so I don't know if the factory exhaust tip TSB would be the culprit. If you notice an exhaust leak, a rattling sound from your exhaust, or a loss of. The 2012 received a new 6-cyl and a new exhaust and tranny, so I imagine that's why the 2012 and later have this problem. 8 E is often overlooked, but is actually better value than the RS Turbo. Affordable, reliable and built to last, BMW part # 13-90-7-636-153 Fuel Tank Ventilation Valve With Pipe stands out as the smart option. I test-drove a 2008 Impala with the old engine and it was smooth and quiet. When you reinstall the When I first start the car in the morning,there is a terrible rattle. Exhaust rattle on cold start? Scion FR-S / Toyota 86 GT86 General Forum The place to start for the Scion FR-S / Toyota 86 | GT86: User Tag List Thread Tools: Search this Thread: 06-28-2012, 01:40 AM #1: Laurie. Basically, the collectors inlets are 4 stumps of pipe which the outer pipe of the manifolds slot over and get welded, but the inner lining slots into the collector without welding as an interference fit. See if there is a heat shield (s) on the exhaust - if they were tack welded in place, sometimes 1 or more of the welds will break - as soon as the exhaust warms up (expands) the noise goes away. You could remote start the car while on a lift and make the rattkle come and go just by applying pressure to the valve shaft. Had the exhaust replaced from the crossover back including rear driver side section. Tried to see if it was exhaust manifold crack but didn't have enough time to remov. You can secure your exhaust with a simple ring clamp which ends the rattling noise. Since the muffler is an integral component of the exhaust system and its location means it has to be connected to the exhaust pipe as well as to the underside of your car, the rattling sound See if there is a heat shield(s) on the exhaust - if they were tack welded in place, sometimes 1 or more of the welds will break - as soon as the exhaust warms up (expands) the 5,767 Posts. I've searched the forum and found a couple of suggestions.
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