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Problems for specific Porsche 911 Turbo years:

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Most reported Porsche 911 Turbo problems

 

Verified for the Porsche 911 Turbo

A abnormal noise may be noted from the differential due to a ring gear/pinion failure.

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Verified for the Porsche 911 Turbo

Engine oil leaks may develop from the valve cover gaskets. This type of leak is most associated with a burning type smell from the engine area.

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Verified for the Porsche 911 Turbo

Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.

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A small leak in the coolant reservoir can cause persistent coolant loss. To ensure engine longevity, coolant loss and overheating issues need to be resolved. Out technicians tell us the proper coolant fill procedure must be followed when refiling the cooling system.

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Verified for the Porsche 911 Turbo

Pay close attention to warning lights and have the brakes inspected regularly - immediately address any brake problems. Hard driving habits will cause excessive brake pad and rotor wear.

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An internal transmission problem can cause difficulty engaging or downshifting from second gear. Improved parts are available as of the 1997 model year.

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Verified for the Porsche 911 Turbo

The accumulation of moisture at major connectors and control units can cause various ABS/PDAS faults due to corrosion.

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Verified for the Porsche 911 Turbo

The brake warning display and warning gong can activate, typically after the first start of the day. The warning light/gong might stop after idling for a short time. This fault is usually caused by low stored hydraulic pressure due to a failed high pressure accumulator.

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Verified for the Porsche 911 Turbo

An accumulation of small air leaks at various locations around the intake manifold/intercooler area can cause performance problems.

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An external fluid leak may develop at the pressure switch; fluid will be evident in the trunk and the reservoir level will drop.

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Verified for the Porsche 911 Turbo

The hydraulic pump relay can fail, causing the pump to run continuously, which leads to hydraulic pump failure due to overheating. Incorrect pressures will cause a low brake pedal or a high pedal effort with the possibility of other strange symptoms.

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Verified for the Porsche 911 Turbo

Pay close attention to warning lights and have the brakes inspected regularly—immediately address any brake problems. Hard driving habits will cause excessive brake pad and rotor wear. Aged brake fluid can cause numerous problems, including "waxy" buildup visible in the reservoir, so replace the brake fluid regularly. Special procedures are required to bleed/flush ABS pump.

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Verified for the Porsche 911 Turbo

Engine issues related to valve guide wear are common. Oil consumption, smoking at first startup, and valve train noise are all symptomatic of loose guides and worn valve stems. The valve train is complex and should be thoroughly inspected if a problem arises. Worn turbocharger bearings can also be a component in engine oil consumption.

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Verified for the Porsche 911 Turbo

Over time, the engine can leak oil at various locations. Early-production vehicles require engine disassembly and modification to resolve leaks at the cylinder heads, oil return tubes, valve covers, timing covers, chain housings, case through bolts, and lines to/from the oil cooler.

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Verified for the Porsche 911 Turbo

Pay close attention to secondary ignition system components (distributor caps, rotors, cables, and connectors).

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