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Nissan 300zx
Repair Questions and Answers
Question: 1995 Nissan 300 ZX
mileage: 170,000. I purchased an
300-zx-turbo/automatic trans at auction a couple of
weeks ago. I pulled the trans pan and found some very
fine powdered chrome in the pan. I replaced the fluid
with Dextron 3. The trans was slow to engage when
stopped if very hot before, now, the trans is very
noisy. I noticed online that there seems to be quite a
few service bulletins regarding the automatic
transmission fluid. Am I using the correct fluid?
Answer: Try changing the fluid and
see if it performs better. From what you have told us
though, we believe your transmission is failing.
Question:
1994 Nissan 300 ZX mileage: 112,000 . My car
is a 1994 Nissan 300 ZX with a three speed automatic
with an electronic overdrive for fourth gear. When
I switch the overdrive on, it stays in third gear even
when the car is warmed up. The switch and
overdrive solenoid are working but I have been to
several auto electricians and they cannot seem to find
the fault. Could you please give me a few
suggestions on how to fix my problem? Thank
you.
Answer: The overdrive circuit is controlled
by the engine temperature sensor to prevent it from
going into overdrive when the engine is cold. If
the sensor is faulty, it will not allow your
transmission to shift into overdrive. Also, check
the thermostat, if it is stuck open, it will not allow
the engine to come up to normal temperature and the
transmission will not shift into overdrive.
Question:
1996 Nissan 300 ZX mileage: 110,500. Two
questions actually, first, my steering has approximately
1-2 inches of slop at neutral, makes it tough on the
highway. 2nd, when I apply moderate to heavy
braking, there is a very loud click/snap noise (not
repetitive, just one loud click) from the (LT) front
suspension. It also does it when I hit a bump, but
just on the left wheel. I recently replaced the
front brake pads, and the shims are installed, also, for
reasons that aren't important here, I have had 3 of the
4 shock struts replaced, guess which one is original?
The Lt front.
Answer:
First answer: Check the front suspension for worn
parts, paying close attention to the steering rack.
Second answer: Try replacing the fourth
strut.
Question:
1995 Nissan 300 ZX mileage: 150,000 . The
rear engine seal has started to leak oil, noticeable
only in very small puddles when parked overnight. As yet
(for at least a year) this hasn't affected the clutch at
all. Changing the oil helped for a while, as did
replacing both PCV valves, but the leak is back. Any
ideas?....I sure don't want to have to pull the tranny &
replace the seal if I can get away with it.
Answer:
Over time all engines start leaking oil. The seals
and gaskets get hard and brittle. Replacing them
may be necessary to stop your oil leak.
Question: 1994 Nissan 300ZX mileage:
135,000. The rear end of the car feels loose when I
drive over bumps in the road. It often feels like I
could lose control of the car. The tires are in good
shape and I cannot see anything else that would be
wrong. I was wondering if the rear stabilizer bar could
be broken or damaged.
Answer: We do not think the stabilizer bar
is your problem. It only "works" when cornering not
going over bumps. A more likely cause would be the rear
struts. Also, check suspension for damaged or bent
parts. Check rubber bushing is suspension components.
Automobile
/ Nissan
/ 300zx
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