Crankshaft position sensor? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

brainfood · 12-17-2004, 05:40 PM

Anyone changed the crankshaft position sensor? I finally got around to hooking my check engine light back up (previous owner pulled to bulb before he sold it to me) and put in my 5speed ecu. Been driving around for about 4 mo. on the auto ecu after my 5sp swap. Well anyway the car is throwing code 82 crankshaft position sensor. And I was wondering if anyone knows where it is located in the factory service manual it looks very difficult to get to it seems to be on top of the bell housing right up against the firewall. Anyone how has changed it just wondering if they went from the top or bottom and what had to be removed to get to it. thanks!

idlafie · 12-17-2004, 06:25 PM

Easier to get to it from the top, but you have to disconnect the harness from below, which means you'll probably have to jack up the car to get to the harness. Nothing else needs to be removed. If I recall correctly we used a small rachet with a 8mm socket and a wobbly extension. Easy to do, just a pain in the ass.
ID

projectRDM · 12-17-2004, 07:32 PM

10mm socket. Not 8mm.

brainfood · 12-19-2004, 11:37 AM

thanks I will look for it today.

XxJaPxOxNeEs23xX · 12-20-2004, 12:23 PM

i broke my sensor off wen i did my clutch change, and iv driven like that for about 2000 miles now. wat could happen if i keep driving withought the sensor?

projectRDM · 12-20-2004, 01:18 PM

Quote:

Originally Posted by XxJaPxOxNeEs23xX

i broke my sensor off wen i did my clutch change, and iv driven like that for about 2000 miles now. wat could happen if i keep driving withought the sensor?

Nothing.

fhrys

brainfood · 12-20-2004, 10:47 PM

the sensor is not important for major engine functions. it is used to determine if there are miss fires and correct them. So I am not even that worried about fixing it just thought I should check it out. Is it bolted to the block or the trans bellhousing?

idlafie · 12-21-2004, 02:37 AM

Bolted to the tranny bellhousing.

Unfortunately a broken Crankshaft Position Sensor will kick a Diagnostic Trouble Code which can cause your vehicle to fail the Bi-Annual California Smog Check. All depends on how the Smog Check Technician wants to handle it. He can clear the code and run the test, OR he can fail you for the OBD II DTC code.

Best bet is just to find another C.P.S. and fix the problem now while you can.

Anyhow, hope this helps..
ID

XxJaPxOxNeEs23xX · 12-21-2004, 02:41 AM

i forgot, but i used the scanner to find out wat that wire did, and actually i think that was the plug i couldnt find were to plug in when putting the trans back in. or i mean that is the plug.

12-17-2004, 05:40 PM	#1
brainfood Post Whore! Join Date: Jun 2004 Location: Eagle Rock, CA Age: 42 Posts: 2,957 Trader Rating: (18) Feedback Score: 18 reviews	Crankshaft position sensor? Anyone changed the crankshaft position sensor? I finally got around to hooking my check engine light back up (previous owner pulled to bulb before he sold it to me) and put in my 5speed ecu. Been driving around for about 4 mo. on the auto ecu after my 5sp swap. Well anyway the car is throwing code 82 crankshaft position sensor. And I was wondering if anyone knows where it is located in the factory service manual it looks very difficult to get to it seems to be on top of the bell housing right up against the firewall. Anyone how has changed it just wondering if they went from the top or bottom and what had to be removed to get to it. thanks!

12-17-2004, 06:25 PM	#2
idlafie Zilvia Addict Join Date: Mar 2004 Location: ..So Cal.... Posts: 940 Trader Rating: (0) Feedback Score: 0 reviews	Easier to get to it from the top, but you have to disconnect the harness from below, which means you'll probably have to jack up the car to get to the harness. Nothing else needs to be removed. If I recall correctly we used a small rachet with a 8mm socket and a wobbly extension. Easy to do, just a pain in the ass. ID __________________ Weekend Mechanic for my Not-So-Mechanically-Inclined buddies....

12-17-2004, 07:32 PM	#3
projectRDM Post Whore! Join Date: Dec 2002 Location: Atlanta Age: 51 Posts: 13,812 Trader Rating: (12) Feedback Score: 12 reviews	10mm socket. Not 8mm. __________________ FORMERLY R240NA Learn what's really going on and protect your assets now before they're gone forever: www.paypalsucks.com

12-21-2004, 02:37 AM	#8
idlafie Zilvia Addict Join Date: Mar 2004 Location: ..So Cal.... Posts: 940 Trader Rating: (0) Feedback Score: 0 reviews	Bolted to the tranny bellhousing. Unfortunately a broken Crankshaft Position Sensor will kick a Diagnostic Trouble Code which can cause your vehicle to fail the Bi-Annual California Smog Check. All depends on how the Smog Check Technician wants to handle it. He can clear the code and run the test, OR he can fail you for the OBD II DTC code. Best bet is just to find another C.P.S. and fix the problem now while you can. Anyhow, hope this helps.. ID __________________ Weekend Mechanic for my Not-So-Mechanically-Inclined buddies....

12-19-2004, 11:37 AM	#4
brainfood Post Whore! Join Date: Jun 2004 Location: Eagle Rock, CA Age: 42 Posts: 2,957 Trader Rating: (18) Feedback Score: 18 reviews	thanks I will look for it today.

12-20-2004, 12:23 PM	#5
XxJaPxOxNeEs23xX Zilvia Junkie Join Date: Jun 2003 Location: california Posts: 572 Trader Rating: (0) Feedback Score: 0 reviews	i broke my sensor off wen i did my clutch change, and iv driven like that for about 2000 miles now. wat could happen if i keep driving withought the sensor?

12-20-2004, 10:47 PM	#7
brainfood Post Whore! Join Date: Jun 2004 Location: Eagle Rock, CA Age: 42 Posts: 2,957 Trader Rating: (18) Feedback Score: 18 reviews	the sensor is not important for major engine functions. it is used to determine if there are miss fires and correct them. So I am not even that worried about fixing it just thought I should check it out. Is it bolted to the block or the trans bellhousing?

12-21-2004, 02:41 AM	#9
XxJaPxOxNeEs23xX Zilvia Junkie Join Date: Jun 2003 Location: california Posts: 572 Trader Rating: (0) Feedback Score: 0 reviews	i forgot, but i used the scanner to find out wat that wire did, and actually i think that was the plug i couldnt find were to plug in when putting the trans back in. or i mean that is the plug.