Why does my Porsche make a grinding sound when shifting?
If you are having issues getting your Porsche into gear on your manual transmission, or you are experiencing a grinding sound when shifting, this is likely the cause of worn synchros. It is important to make sure the transmission is serviced at regular intervals.
Why does my Porsche 911 make a knocking noise?
The M96 and M97 engines are famed for cylinder scoring – deep gauges in the cylinder liner, usually associated with a knocking noise and eventually catastrophic engine failure. The root cause of this issue is open to discussion, however, wear in the piston rings and liners causes the piston to wobble.
What kind of problem does a Porsche 911 have?
Less common are leaks from the cam seals and scavenger oil pump seals. Valve cover leaks are obvious and fairly straightforward to fix on most models. The valve covers do not have a gasket – instead a liquid gasket sealer is used.
Why does my Porsche 996 have smoke coming from the exhaust?
Another common cause of excessive engine smoke is caused by a faulty Oil Separator. This component separates the air from oil and commonly fails internally. If you begin to see so much as a puff of smoke from your exhaust on your 996 or 986 it is important to have this issue inspected by an experienced Porsche mechanic.
What should I do if my Porsche 997 transmission is noisy?
However, there are a few diagnostics that you can use to get a rough idea of what a probable cause is. If you have a noisy transmission, then continue reading to find out some common problems with the Porsche 997 transmission.
Why is my Porsche Cayenne making a clunking noise?
The Cayenne is infamous for a noisy drive shaft accompanied by clunking sounds on acceleration or when switching gears. This is usually caused by a failure in the driveshaft support bearing. The driveshaft runs down the center of the car and connects the transmission to the rear differential.
When to replace the throw out bearing on a Porsche 997?
If you have a noisy transmission, then continue reading to find out some common problems with the Porsche 997 transmission. The throw-out bearing should be replaced when the clutch is replaced, and normally the bearing lasts at least as long as the clutch lasts. Therefore, under normal circumstances, the throw-out bearing shouldn’t be an issue.
Why does my Porsche Cayenne Jerk when I change gears?
Sometimes, this can also show up as jerking when the PDK is going through 2nd to 3rd gear changes and accelerating between 30-50mph. The problem stems from the transfer case in the four-wheel drive system and is a regularly reported issue.