overheating ka24de! need major help! - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

georgeasorous · 11-03-2013, 10:16 PM

ok so i have a 1991 s13, ka24de 5 speed. bone stock other than a air filter and cat back exhaust. the upper radiator hose sprung a leak about 3 weeks ago and the car got hot but didn't overheat.

so i figured since I'm changing the hoses mite as well change everything else so i got an aluminum radiator new thermostat, temp sensor, temp sender, water pump, e-fan, overflow tank and all the manifold and coolant return lines.

after i installed everything i bled the system and drove it around locally for a few days. then one day the temperature got very hot almost past the last line. i immediately pulled over and turned off the car. when i turned the car back on the temp was normal again. so i drove the car back home with no more over heating.

the next day i installed a auto meter short sweep water temp gauge with the inline sensor and replaced the coolant and bled the system. THE CAR IS STILL OVERHEATING. there is no coolant in the oil and no oil in the coolant so I'm assuming the head gasket is fine.

I DONT KNOW WHAT ELSE TO DO!!! SOMEONE PLEASE GIVE ME SOME INSIGHT AS TO WHAT ELSE COULD BE WRONG! THANK YOU!

jaxshawn · 11-03-2013, 10:21 PM

Keep bleeding the system and check the belt tension on your water pump. If that doesn't work get a new thermostat and repeat.

Edit make sure heat is on full blast while bleeding so the heater core gets coolant circulating through it as well

georgeasorous · 11-03-2013, 10:27 PM

Quote:

Originally Posted by jaxshawn

Keep bleeding the system and check the belt tension on your water pump. If that doesn't work get a new thermostat and repeat.

Edit make sure heat is on full blast while bleeding so the heater core gets coolant circulating through it as well

i did that with the heater, and the thermostat is new. i guess i can just keep bleeding the system.

dawagarage · 11-03-2013, 10:34 PM

most likely the system isnt bled ENOUGH.

did you raise the front end as high and safe as possible?
did you let the car run with the cap off, as well as remove the little bleeder screw on the motor?

georgeasorous · 11-03-2013, 10:37 PM

Quote:

Originally Posted by dawagarage

most likely the system isnt bled ENOUGH.

did you raise the front end as high and safe as possible?
did you let the car run with the cap off, as well as remove the little bleeder screw on the motor?

yes i did all of that. i used the spill free funnel had the front of the car raised and left the bleeder screw off. i think i am just gonna keep bleeding it.

fast panda · 11-03-2013, 11:02 PM

maybe your new e-fan burnt out already?

georgeasorous · 11-03-2013, 11:06 PM

Quote:

Originally Posted by fast panda

maybe your new e-fan burnt out already?

it turns on fine and it moves a lot of air

jaxshawn · 11-03-2013, 10:35 PM

Bleeding has always been a pita for me id bleed it drive 3 blocks run hot and bleed some more drive a few more blocks repeat

If you keep having problems get another new tstat I had a brand new one that wouldn't open in the car but bench test it would open just fine

Gordo714 · 11-03-2013, 11:10 PM

what are you using to activate your E-Fans

make sure they are turning on at the right temp

If it aint broke dont fix it

georgeasorous · 11-03-2013, 11:18 PM

Quote:

Originally Posted by Gordo714

what are you using to activate your E-Fans

make sure they are turning on at the right temp

If it aint broke dont fix it

they are hooked up to the factory plug so it kicks on when i turn on the ac and when the temp hits around 200

rebornS14 · 11-04-2013, 12:08 AM

what triggers the e-fan to turn on? you might just have a big pocket of air trapped in there and since the weathers been cold, if your e-fans are kicking on too early, it wont let the coolant temperature to get hot enough to open the thermostat, keeping that pocket of air trapped inside your system. you need to make sure the thermostat opens to properly bleed the system. happens a lot with the clutch fan cause the shits always on, and it makes it hard to work with on cold weather days.

na12uto · 11-04-2013, 02:45 AM

I have heard of people wiring up the fan wrong and the blades are spinning backwards. double check that and honestly bleeding it sounds like its the only main problem besides if anything of the fan

georgeasorous · 11-04-2013, 07:31 PM

i checked the fans they are pulling air in the right direction so i think i am just not bleeding it enough. thanx for all the help guys!

11-03-2013, 10:16 PM	#1
georgeasorous Zilvia Junkie Join Date: Feb 2009 Location: so cal. Posts: 310 Trader Rating: (6) Feedback Score: 6 reviews	overheating ka24de! need major help! ok so i have a 1991 s13, ka24de 5 speed. bone stock other than a air filter and cat back exhaust. the upper radiator hose sprung a leak about 3 weeks ago and the car got hot but didn't overheat. so i figured since I'm changing the hoses mite as well change everything else so i got an aluminum radiator new thermostat, temp sensor, temp sender, water pump, e-fan, overflow tank and all the manifold and coolant return lines. after i installed everything i bled the system and drove it around locally for a few days. then one day the temperature got very hot almost past the last line. i immediately pulled over and turned off the car. when i turned the car back on the temp was normal again. so i drove the car back home with no more over heating. the next day i installed a auto meter short sweep water temp gauge with the inline sensor and replaced the coolant and bled the system. THE CAR IS STILL OVERHEATING. there is no coolant in the oil and no oil in the coolant so I'm assuming the head gasket is fine. I DONT KNOW WHAT ELSE TO DO!!! SOMEONE PLEASE GIVE ME SOME INSIGHT AS TO WHAT ELSE COULD BE WRONG! THANK YOU! __________________

11-03-2013, 10:34 PM	#4
dawagarage Nissanaholic! Join Date: Sep 2006 Location: Bremerton, WA Age: 40 Posts: 2,037 Trader Rating: (23) Feedback Score: 23 reviews	most likely the system isnt bled ENOUGH. did you raise the front end as high and safe as possible? did you let the car run with the cap off, as well as remove the little bleeder screw on the motor? __________________ formerly known as "hotboiblaze" ratsun: dawa (73 datsun 620) clublexus: properD (97 sc300)

11-03-2013, 11:10 PM	#9
Gordo714 Zilvia Junkie Join Date: Jun 2008 Location: 714 Posts: 510 Trader Rating: (10) Feedback Score: 10 reviews	what are you using to activate your E-Fans make sure they are turning on at the right temp If it aint broke dont fix it __________________

11-04-2013, 12:08 AM	#11
rebornS14 Zilvia FREAK! Join Date: Jun 2008 Location: Cerritos, CA Posts: 1,358 Trader Rating: (13) Feedback Score: 13 reviews	what triggers the e-fan to turn on? you might just have a big pocket of air trapped in there and since the weathers been cold, if your e-fans are kicking on too early, it wont let the coolant temperature to get hot enough to open the thermostat, keeping that pocket of air trapped inside your system. you need to make sure the thermostat opens to properly bleed the system. happens a lot with the clutch fan cause the shits always on, and it makes it hard to work with on cold weather days. __________________

11-04-2013, 02:45 AM	#12
na12uto Zilvia Addict Join Date: Jul 2007 Location: Fresno Age: 37 Posts: 752 Trader Rating: (8) Feedback Score: 8 reviews	I have heard of people wiring up the fan wrong and the blades are spinning backwards. double check that and honestly bleeding it sounds like its the only main problem besides if anything of the fan __________________ A day late, a buck short, nothing zip ties cant fix

11-03-2013, 10:21 PM	#2
jaxshawn Zilvia Member Join Date: Jan 2011 Location: jacksonville, fl Age: 40 Posts: 237 Trader Rating: (1) Feedback Score: 1 reviews	Keep bleeding the system and check the belt tension on your water pump. If that doesn't work get a new thermostat and repeat. Edit make sure heat is on full blast while bleeding so the heater core gets coolant circulating through it as well

11-03-2013, 11:02 PM	#6
fast panda Join Date: Jun 2013 Location: ND Posts: 22 Trader Rating: (3) Feedback Score: 3 reviews	maybe your new e-fan burnt out already?

11-03-2013, 10:35 PM	#8
jaxshawn Zilvia Member Join Date: Jan 2011 Location: jacksonville, fl Age: 40 Posts: 237 Trader Rating: (1) Feedback Score: 1 reviews	Bleeding has always been a pita for me id bleed it drive 3 blocks run hot and bleed some more drive a few more blocks repeat If you keep having problems get another new tstat I had a brand new one that wouldn't open in the car but bench test it would open just fine

11-04-2013, 07:31 PM	#13
georgeasorous Zilvia Junkie Join Date: Feb 2009 Location: so cal. Posts: 310 Trader Rating: (6) Feedback Score: 6 reviews	i checked the fans they are pulling air in the right direction so i think i am just not bleeding it enough. thanx for all the help guys! __________________