Clutch fan? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

azn_romeox · 01-23-2003, 01:38 AM

do our cars have a clutch fan or something. Cause when I start the car and put it in neutral and the clutch is out I hear something. When clutch depressed.... noise gone??? anyway of upgrading it to a quieter one

**mrmephistopheles** · 01-23-2003, 08:24 AM

Sounds more like your pilot bushing.

240 2NR · 01-23-2003, 09:24 AM

Yes and No

We do have a clutch fan in our 240's which is driven directly off the crank and engages/disengages by use of a clutch (the bigass fan behind the radiator).

However there is no fan that is cooling/ attachted to the clutch. As was said above it's probably a bearing problem

HKrpS13 · 01-23-2003, 02:45 PM

What years your car?
I think the 89' and 90' has a clutch fan.

azn_romeox · 01-23-2003, 02:54 PM

i have a 90..... i wana take that off or something. Is it managable?

*LanceS13* · 01-24-2003, 09:24 AM

They all have clutch fans...and none of them have anything to do with the transmission clutch. They're clutch actuated cooling system fans that run off the water pump pulley.

wren240sx · 01-24-2003, 09:33 AM

pilot bushing mine did the same thing

bbp · 01-24-2003, 09:44 AM

it's probably the throw out bearing in your clutch. 240's pilot bushing is brass, with out and ball bearings in it, i believe.

AKADriver · 01-24-2003, 10:04 AM

Yep, I'd say the throwout bearing is more likely also.

Try this experiment:

Get the car rolling slowly in 2nd gear. push the clutch in. I bet you'll hear the same grinding noise faintly... now jam the stick into first. you'll hear the grinding change pitch as the tranny input shaft (and hence the throwout bearing) spins up to meet the new gear.

It's a pretty harmless noise AFAIK, just change both the TO bearing and the pilot bushing whenever you change the clutch.

01-23-2003, 01:38 AM	#1
azn_romeox Zilvia Member Join Date: Nov 2002 Posts: 288 Trader Rating: (0) Feedback Score: 0 reviews	Clutch fan? do our cars have a clutch fan or something. Cause when I start the car and put it in neutral and the clutch is out I hear something. When clutch depressed.... noise gone??? anyway of upgrading it to a quieter one

01-23-2003, 09:24 AM	#3
240 2NR Zilvia FREAK! Join Date: Dec 2001 Location: Denver Posts: 1,131 Trader Rating: (0) Feedback Score: 0 reviews	Yes and No We do have a clutch fan in our 240's which is driven directly off the crank and engages/disengages by use of a clutch (the bigass fan behind the radiator). However there is no fan that is cooling/ attachted to the clutch. As was said above it's probably a bearing problem __________________ Steve 93 240sx FB currently very clean and for sale

01-24-2003, 09:24 AM	#6
LanceS13 AutoX Junkie Join Date: Jun 2001 Location: MS Age: 43 Posts: 2,044 Trader Rating: (0) Feedback Score: 0 reviews	They all have clutch fans...and none of them have anything to do with the transmission clutch. They're clutch actuated cooling system fans that run off the water pump pulley. __________________ 1992 240SX Fastback #47 DSP MS SCCA RX-7 ITS Project FOR SALE

01-24-2003, 09:33 AM	#7
wren240sx Leaky Injector Join Date: Jan 2003 Location: gulfbreeze, fl Age: 42 Posts: 102 Trader Rating: (0) Feedback Score: 0 reviews	pilot bushing mine did the same thing __________________ 1991 240sx se red w/ big #$* dent in it!! 5 speed injen cai apexi n1 dual unorthadox pulley set oh yeah and a blown motor

01-24-2003, 09:44 AM	#8
bbp Zilvia Junkie Join Date: Apr 2002 Location: oHIo Age: 53 Posts: 477 Trader Rating: (0) Feedback Score: 0 reviews	it's probably the throw out bearing in your clutch. 240's pilot bushing is brass, with out and ball bearings in it, i believe. __________________

01-23-2003, 08:24 AM	#2
mrmephistopheles Magnanimous Justice Distribution Service Join Date: Mar 2002 Location: BFE Age: 23 Posts: 14,372 Trader Rating: (9) Rides Gallery: mrmephistopheles Feedback Score: 9 reviews	Sounds more like your pilot bushing.

01-23-2003, 02:45 PM	#4
HKrpS13 Zilvia Member Join Date: Dec 2001 Location: SoCal Posts: 267 Trader Rating: (0) Feedback Score: 0 reviews	What years your car? I think the 89' and 90' has a clutch fan.

01-23-2003, 02:54 PM	#5
azn_romeox Zilvia Member Join Date: Nov 2002 Posts: 288 Trader Rating: (0) Feedback Score: 0 reviews	i have a 90..... i wana take that off or something. Is it managable?

01-24-2003, 10:04 AM	#9
AKADriver Post Whore! Join Date: May 2002 Location: Springfield, VA Age: 43 Posts: 3,517 Trader Rating: (1) Feedback Score: 1 reviews	Yep, I'd say the throwout bearing is more likely also. Try this experiment: Get the car rolling slowly in 2nd gear. push the clutch in. I bet you'll hear the same grinding noise faintly... now jam the stick into first. you'll hear the grinding change pitch as the tranny input shaft (and hence the throwout bearing) spins up to meet the new gear. It's a pretty harmless noise AFAIK, just change both the TO bearing and the pilot bushing whenever you change the clutch.