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Nissan 300ZX

317 messages,  Last post on Dec 02, 2009 at 1:40 AM

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What is this discussion about? Nissan 300ZX, Coupe

This forum is for anyone interested in the 300ZX, all years and variations.

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#299 of 317 Re: I've read in other places [scanty] by bustadoorin Oct 31, 2008 (3:28 pm)
Replying to: scanty (Oct 26, 2005 2:29 pm) Thats not really true, if the drive shaft is not true (out of balance) it will still cause the vibe because it is still spinning. shaft doesn't have to be under a load. best thing to do is to jack up the rear install jack stand under the chassis remove the rear wheel put lugs back on spindle and tighten. Put the car into drive and accelerate above 40 mph. if vibe still exist then drop drive shaft and get yourself a one piece drive shaft. you can take your old shaft to your local machine shop and they will build you one using your old yokes. approximate shop time is 2 hrs plus the price of the tube. Total time it takes me to remove from vehicle and reinstall is 1 hr.
#300 of 317 Security System Issue by 89checkmate22 Dec 04, 2008 (1:20 pm)
I have recently swapped the engine in my 88 300zx and have been unable to start the car. The security light on the instrument panel flashes continually after the battery is connected, even after the door locks have been cycled (the recommended reset for the system). I know that the security system shuts off the fuel supply to the injectors and that seems to be where the problem is, since I have established that I have spark and all else appears normal. My question is: would having the rear hatch off for paint be the cause of the security system not resetting and therefore shutting down the fuel supply?
#301 of 317 Intermittent start problem by jim300zx Dec 04, 2008 (2:04 pm)
I have a 1991 300ZX turbo. Occassionally when I turn the key the dash lights up but nothing else happens. If I turn the key a few times it eventually turns over with no problem. Sometimes it goes months without this happening and then it starts happening daily. I put in a new starter, which seemed to work but didn't. I even tried a new key as the old one was worn down. Again it seemed to work but didn't. Any thoughts would be appreciated. Thanks
#302 of 317 Security System Issue (89checkmate22) by hpmctorque Dec 11, 2008 (12:58 am)
Sorry I can't help you with your problem, but as an owner of a '88 300ZX, non-turbo, I was wondering what prompted you to swap the engine. How many miles did the original engine have? Replies to this message: 89checkmate22 (Dec 12, 2008 11:48 am)
#303 of 317 Re: Security System Issue (89checkmate22) [hpmctorque] by 89checkmate22 Dec 12, 2008 (11:48 am)
Replying to: hpmctorque (Dec 11, 2008 12:58 am) With 245,000 miles the crankshaft broke. A friend had an engine out of an 86 with 55,000 on it (pulled from his attempt to mate 300ZX and 16 point buck), so after swapping out a few external pieces (pulleys etc) we stuffed it in. Now all I need to do is get that pesky thing to run!!!
#304 of 317 Re: Security System Issue (89checkmate22) by hpmctorque Dec 17, 2008 (8:19 pm)
Well, with 245,000 miles your 300ZX didn't owe you anything, although I've never heard of a crankshaft actually breaking.   Good luck with getting your Z back on the road.
#305 of 317 94 300zx post timing belt change over issues by zsforme Apr 26, 2009 (3:44 pm)
I have a 1994 300zx non turbo. Not toooo long ago I broke my timing belt (yeah I know). Anyway I have replaced all necessary parts and tried to start, no go. All my warning lights are on and even with the car unlocked the "security" light stays flashing. on the car will crank, but nothing happens. According to the manual I needed to disconnect the battery so I wouldn't get shocked while removing starter. I am thinking there is an issue with the theft alarm. The car is in great shape, but I don't think I am getting fuel to the injectors. I hear the fuel pump. I also hear a slight squeak that runs as pump starts might be nothing, but??. Does anyone know why all my lights are staying on and why the car is not turning over?   thanks, Chuck Replies to this message: justinlust (Apr 26, 2009 8:03 pm) zsforme (Apr 28, 2009 9:44 pm) justinlust (Apr 29, 2009 1:11 am)
#306 of 317 Re: 94 300zx post timing belt change over issues [zsforme] by justinlust Apr 26, 2009 (8:03 pm)
Replying to: zsforme (Apr 26, 2009 3:44 pm) chuck have you tried to reset the alarm with the doors and hood all closed and then lock and unlock the door with the key ? also you may half to reset the codes in the computor or you can try putting it in test mode to see what errors it gives you Replies to this message: zsforme (Apr 28, 2009 9:44 pm) justinlust (Apr 29, 2009 1:11 am)
#307 of 317 Re: Need advice: looking to buy a Nissan 300zx tt [nac300zx] by zsforever Apr 27, 2009 (11:27 am)
Replying to: nac300zx (Jan 24, 2007 6:39 pm) I would start by looking into the front braking system,you are probabally getting pulsation from front brake rotors.If you replace rotors also replace pads.also insure that you don't have a brake caliper that is stuck as this would spoil new pads and rotors.from what you are saying this is a very good possibility due to the fact that the wheel shakes while driving down the road as well as when you apply the brakes.
#308 of 317 Re: 94 300zx post timing belt change over issues [justinlust] by zsforme Apr 28, 2009 (9:44 pm)
Replying to: justinlust (Apr 26, 2009 8:03 pm) Hey Justin, Yes I have tried what you have suggested except testing the computer. I was told that if you turn car (not start) and disconnect the neg terminal turn car off and reconnect it will reset alarm. didn't work. Called Nissan dealer and he suggested that I touch pos terminal to neg (pos off battery that will reset alarm. I will try the computer idea. are u talking about the ECU? Is it under the floor board on passenger side? Thanks for your reply and help I will let you know what happens. Replies to this message: justinlust (Apr 29, 2009 1:11 am)

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