Sunday, December 8, 2013
300ZX Repairs FAQs
Z-car enthusiasts worldwide were impressed by the Nissan Fairlady Z, later known as the 300ZX. This sports model was the third and fourth generation of the Z car and the only series that had a completely different body style. Z-car enthusiasts not only enjoy the 300 ZXs visual impact but they also keep abreast of the regular maintenance this model requires to run well and run fast.
Oil Change
The oil should be changed every 3,000 miles. Warm up the car enough to get the temperature gauge needle to begin to rise. Drive the passenger front tire up on a 2-by-4 to get enough ground clearance. Turn car off, put it in gear and engage the emergency brake. Unscrew the oil fill cap on top of engine. Place an oil pan under engine. Carefully remove the drain plug as the oil will be warm or hot. Catch oil in the drip pan. Remove the oil filter next to the plug and set it in the oil catch pan. After draining oil, reattach the drain plug. Screw in a new oil filter. Refill the engine with synthetic oil. Check the level with the dipstick constantly to fill in the proper amount. Avoid overfilling.
Tire Vibration
Tires can be off balance because of things such as flat spots on the tires. The vibrations are typically felt at a constant speed and may increase and decrease or go away. If the vibration is caused by the front tires, the steering wheel will vibrate in unison. If the passenger seat vibrates, the rear tires are causing the movement. This can usually be corrected by having the tires spun balanced to detect the dense part of the rubber.
60K Maintenance
Every 60,000 miles the air filter, spark plugs, fuel filter and timing belts should be replaced, according to the Nissan Service Manual. The oil should be changed, and an inspection should be done on the caper lines, fuel lines, brake lines and cables. The brake pads, rotors, transmission fluid, differential gear oil, steering gear, linkage axle, suspension parts, steering linkage ball joints, front suspension ball joints, Super HICAS linkage and exhaust systems all should be inspected as well.
Slipping Clutch
The master cylinder and clutch should be replaced on all 300ZXs made before 1992. Cylinders made in 1992 and after have a bigger bore for the fluid that helps solve the slipping clutch issue. Nissan recommends changing that part and the clutch return spring if clutch adjustment does not correct the issue.
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