911 Turbo Coupe F6-3299cc 3.3L SOHC Turbo (1988)
Aluminum wheel nuts
Aluminum wheel nuts require special care.
Before installing:
-lubricate threads and shoulders of aluminum nuts with Optimoly TA, Part No. 000 043 020 00. (Optimoly TA does not affect tightening torque.)
-torque nuts to 130 N-m (96 ft lb).
Note:
Tighten and loosen aluminum nuts with a socket that grabs the entire depth of nut.
CAUTION
Other socket wrenches or wheel wrenches are not approved.
Never use impact tools.
Break-in time for new tires
New tires have a vulcanization skin that can cause poor vehicle handling. Handling characteristics improve measurably during the tire break-in period of
300 miles (500 km).
Vehicle handling characteristics should not be evaluated immediately after tire replacement.
Driving conservatively during the first 300 miles (500 km) will help to maximize tire life.
After the break-in period, check wheel balance.
Conditions leading to slow air loss or structural damage
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damage to bead during installation
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installation damage from excessive expansion of bead core; tire could part from rim
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installation damage to inside of tire; could cause loss of air or ply separation
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punctures from foreign objects (nails, glass, rocks, etc.); moisture can cause rust at puncture
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squeezing damage (from driving over potholes, curbs, or similar objects)
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sidewall damage (from rubbing against curb or slipping off road shoulders)
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cuts in tire (especially sidewalls)
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damage from underinflation
Damage that impairs true-running of wheels
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flat spots from standing under high temperature conditions. Tires may develop flat spots on the contact surfaces during long periods of standing.
Driving the car should correct this condition.
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uneven wear from damaged suspension parts or misalignment. Checking/ correcting wheel alignment is necessary along with the replacing of
damaged parts.
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uneven wear from improper balancing. Correct balancing must be performed before damage occurs.
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flat spots from locked wheels while braking. This damage usually remains noticeable and cannot be repaired.
