Need Help with Sentra SE-R (classic)

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S13 Power
Posts: 147
Joined: Fri Dec 13, 2002 8:55 am

Post

Just picked up this car but a few problems ive noticed...

1. Car makes a whinning noise on startup. It sounds like its belts but it think its not. I think the culprit is a pulley. its the one thats attached to the crankshaft i think because when we turned the car off and wiggled it, it made the same noise like it was loose or something.

2. One thing ive noticed..when its cold it acts weird. Ok start it up, leave it on for a few mins, rev it up to 3K rpm and release the gas and the car almost stalls out, then idles again. It idles at around 1K but after a few more mins it stops at around 770-800rpm. Same thing, rev it to 6-7k rpm and and release the gas and it almost stalls out, what gives?

3. Front engine mount is broken. It looks like all the hardware is there only the rubber part is snapped. looks as if it was chewed up.

4. Just did the oil change and it seems that the required oil to use is 5w30. well i didnt know this until today so now it has 10w40 and since the dipstick is missing, i just used my best judgement and put in 4.5 quarts when after reading a few FAQs it seems its 3.75 required. Will this affect it much. its not burning oil or dripping it all looks fine.

5. the clutch also seems a little bit loose. Is there any way of adjusting it, im sure there is, if anyone can point me to a walkthrough thatd be great

6.Couple problems with the wiring. THe electric fan is set up only for direct startup through the batter. Havent checked the fuses yet but i think theyre all ok. It looks like the last owner didnt want to deal with it and just did a direct hook up. Also the wipers dont turn off. When i bought it two days ago they worked fine but now they dont seem to turn off! i took the fuse out so i could turn it on without the wipers going off. Is there a way of reseting the ECU, maybe that will help.

Im sure ill come up with more questions but for now thats good. THanx in advance. 1

Car specifics: 1992 Sentra SE-R. SR20DE. Manual transmission. 140k


NISTECH
Posts: 10585
Joined: Sun May 25, 2003 4:17 am

Post

S13 Power wrote:Just picked up this car but a few problems ive noticed...

1. Car makes a whinning noise on startup. It sounds like its belts but it think its not. I think the culprit is a pulley. its the one thats attached to the crankshaft i think because when we turned the car off and wiggled it, it made the same noise like it was loose or something.
if the actual crank pulley is loose and not the idler right next to it. the rubber for the harmonic balancer could be coming apart and that would require replaceing the pulley.

Quote »2. One thing ive noticed..when its cold it acts weird. Ok start it up, leave it on for a few mins, rev it up to 3K rpm and release the gas and the car almost stalls out, then idles again. It idles at around 1K but after a few more mins it stops at around 770-800rpm. Same thing, rev it to 6-7k rpm and and release the gas and it almost stalls out, what gives?[/quote]check your base idle and your throttle plate. base idle is adjusted by warming the car up shutting it down disconnect the tps restart and set it by the adjuster screw on the iacd valve. see if you have heavy carbon build up on your throttel plate if so clean with carb clean and a nylon bruse(no metal brushes)

Quote »3. Front engine mount is broken. It looks like all the hardware is there only the rubber part is snapped. looks as if it was chewed up. [/quote]replace the mount its worn out check the others too for cracks or sagging

Quote »4. Just did the oil change and it seems that the required oil to use is 5w30. well i didnt know this until today so now it has 10w40 and since the dipstick is missing, i just used my best judgement and put in 4.5 quarts when after reading a few FAQs it seems its 3.75 required. Will this affect it much. its not burning oil or dripping it all looks fine.[/quote]you should drop the oil level it will cause the car to bog and the crankshaft beating into the oil can cause it to airate. air bubbles in lifters or chain tensioner not good.

Quote »5. the clutch also seems a little bit loose. Is there any way of adjusting it, im sure there is, if anyone can point me to a walkthrough thatd be great.[/quote]yes there is an adjustment at the trans there is a wheel on the cable and inside the clevis there is a 10mm nut put a wrench on the nut while holding the wheel loosen the nut and spin it back up the cable. now grab the wheel with your fingers and rotate it up the cable. your should have a little play at the cable where it hooks into the clutch arm. and approximatly a half inch at the pedal. when pushing it should drop that much before it feels like it has pressure.

Quote »6.Couple problems with the wiring. THe electric fan is set up only for direct startup through the batter. Havent checked the fuses yet but i think theyre all ok. It looks like the last owner didnt want to deal with it and just did a direct hook up. Also the wipers dont turn off. When i bought it two days ago they worked fine but now they dont seem to turn off! i took the fuse out so i could turn it on without the wipers going off. Is there a way of reseting the ECU, maybe that will help.[/quote] no no ecu reset . your wipers is probably due to a bad park stop in either the motor or the wiper timer. your fan problem ,recommend trying to rewire the car back to original set up then try to figure out why that was done. they may work just fine but maybe he was following some bogus tip off the internet. I see that kinda stuff at work all the time. people get a hint of something that may have happened to someone elses car that they read about on the internet. then they are suddenly experts and thats what their gonna do to thier car to prevent it from happening.

S13 Power
Posts: 147
Joined: Fri Dec 13, 2002 8:55 am

Post

NISTECH wrote:if the actual crank pulley is loose and not the idler right next to it. the rubber for the harmonic balancer could be coming apart and that would require replaceing the pulley.


Wheres the idler pulley located. I saw the compressor pulley and that looks fine, the crankshaft pulley wobbles a bit but havent checked any other ones yet. how long is the life of an average timing chain? might change that since ill be there anyways.

Quote »check your base idle and your throttle plate. base idle is adjusted by warming the car up shutting it down disconnect the tps restart and set it by the adjuster screw on the iacd valve. see if you have heavy carbon build up on your throttel plate if so clean with carb clean and a nylon bruse(no metal brushes).[/quote]

ok ill check the idle when i get home, i found a few write ups on how to do them. Also whats the best way to clean the Throttle body. I heard just spray TB cleaner and scrub off, also the safest way is to remove the TB all together since carb cleaner cant reach everywhere. Ive also read that theres some coolant lines there and its imperative that you dont bypass it or else youll have to clean it quarterly. :confused: What really is the best way, i really dont mind spendindg a little more time and effort.

Quote »replace the mount its worn out check the others too for cracks or sagging.[/quote]

will do.

Quote »you should drop the oil level it will cause the car to bog and the crankshaft beating into the oil can cause it to airate. air bubbles in lifters or chain tensioner not good.[/quote]

just did that yesterday, took a whole quart of oil and little more out.

Quote »yes there is an adjustment at the trans there is a wheel on the cable and inside the clevis there is a 10mm nut put a wrench on the nut while holding the wheel loosen the nut and spin it back up the cable. now grab the wheel with your fingers and rotate it up the cable. your should have a little play at the cable where it hooks into the clutch arm. and approximatly a half inch at the pedal. when pushing it should drop that much before it feels like it has pressure.[/quote]

will do

Quote » no no ecu reset . your wipers is probably due to a bad park stop in either the motor or the wiper timer. your fan problem ,recommend trying to rewire the car back to original set up then try to figure out why that was done. they may work just fine but maybe he was following some bogus tip off the internet. I see that kinda stuff at work all the time. people get a hint of something that may have happened to someone elses car that they read about on the internet. then they are suddenly experts and thats what their gonna do to thier car to prevent it from happening. [/quote]

is there no way of reseting the ECU or is it bad? WOW rewiring a whole car! i can handle a car stereo but damn the whole car. is there a diagram that will help or something. How much would it be a local shop or nissan dealer, ill admit wiring and electrical isnt my thing.

One more thing, whats up with only one fan. my SE-R has AC so shouldnt it have two fans. Im thinking theres a problem with the water pump or cooling system because the radiator hoses are all swollen and a little bit of smokes comes out from the radiator after driving for a while. any info on this???

Hey thanx for all the info:) 1


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