heating...once more! - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

OhSnapS14 · 06-24-2012, 12:50 PM

Okay so i replaced the HG on my RB20det replaced the intake gasket. Did what i thought was bleeding the water system but i still seem to get to 210 after about 20mins of driving. Please someone help me fix my RB by telling me what i may have not done to fix my issue.

*Sileighty_85* · 06-24-2012, 01:56 PM

Need stronger fans? Fans blowing the correct direction?

OhSnapS14 · 06-24-2012, 02:14 PM

They seem to be blowing on high just fine and they are sucking fans not pushing. thats the way the guy before me had them set up. Can a heater core issue be a problem?

OhSnapS14 · 06-24-2012, 07:38 PM

really can no one else help?!

*Sileighty_85* · 06-24-2012, 07:40 PM

no a heater core would not be the issue. If your heater is not working then you still have Air in the system

OhSnapS14 · 06-24-2012, 08:13 PM

whats the best way to bleed the coolant system, raise up the front end? also when i look in the radiator the water isnt moving from side to side. =/

*Sileighty_85* · 06-24-2012, 08:22 PM

open bleeder screw fill up coolant, raise front end, turn on engine, turn on heater wait and watch temps

Butcher240sx · 06-24-2012, 08:26 PM

Make sure you have a new thermostat installed with the button at 12 o clock.

OhSnapS14 · 06-24-2012, 08:36 PM

ive take out the thermostat completely cause of the issues ive been having with it and also i bypassed the heater core today to see if that was it. was told to by a friend. ill put that back together but the custom intake plenum i havent a clue where the bleeder screw is. and its not on the radiator.

Butcher240sx · 06-24-2012, 09:42 PM

Did you buy a new rad cap? And have the head surfaced when you did the HG?

OhSnapS14 · 06-24-2012, 09:49 PM

No the rad cap is the same and it was wiz wheeled not resurfaced. Did a dye test and it was fine. also the compression came back good and I'm losing no coolant so let's rule out hg. i found something saying that the RBs get air locked easily so im gunna try that tomorrow.

Butcher240sx · 06-25-2012, 04:57 PM

Start with a new cap. It's cheap. If that fixes it put your thermostat back in. Bleed well. How are you measuring temp? Aftermarket gauge? I've been working on a Saturn this week that sits at 210 pretty quick. The Efan doesn't even come on until about 225*

*Sileighty_85* · 06-25-2012, 08:26 PM

^^ Thats pretty damn hot guy.

My RB runs around 180-188*

Butcher240sx · 06-25-2012, 09:53 PM

Yeah , I thought so too. When the fan finally comes on the temp drops to 200 and the fan turns back off.

*Sileighty_85* · 06-25-2012, 10:27 PM

Thought you were referring to an RB Engine...

Every engine is different

OhSnapS14 · 06-27-2012, 02:23 AM

yah, i bleed it and it seems to be running better about 210 on avg today just puttering around. what kinda temps do you get when you drift?

06-24-2012, 12:50 PM	#1
OhSnapS14 Leaky Injector Join Date: Feb 2012 Location: racecar land~ Age: 23 Posts: 122 Trader Rating: (3) Feedback Score: 3 reviews	heating...once more! Okay so i replaced the HG on my RB20det replaced the intake gasket. Did what i thought was bleeding the water system but i still seem to get to 210 after about 20mins of driving. Please someone help me fix my RB by telling me what i may have not done to fix my issue.

06-24-2012, 01:56 PM	#2
Sileighty_85 SR/RB Guru Join Date: Dec 2006 Location: Misawa, Japan Posts: 5,722 Trader Rating: (5) Feedback Score: 5 reviews	Need stronger fans? Fans blowing the correct direction? __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

06-24-2012, 07:40 PM	#5
Sileighty_85 SR/RB Guru Join Date: Dec 2006 Location: Misawa, Japan Posts: 5,722 Trader Rating: (5) Feedback Score: 5 reviews	no a heater core would not be the issue. If your heater is not working then you still have Air in the system __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

06-24-2012, 08:22 PM	#7
Sileighty_85 SR/RB Guru Join Date: Dec 2006 Location: Misawa, Japan Posts: 5,722 Trader Rating: (5) Feedback Score: 5 reviews	open bleeder screw fill up coolant, raise front end, turn on engine, turn on heater wait and watch temps __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

06-24-2012, 08:26 PM	#8
Butcher240sx Zilvia Member Join Date: Oct 2010 Location: Houston Texas Age: 32 Posts: 156 Trader Rating: (0) Feedback Score: 0 reviews	Make sure you have a new thermostat installed with the button at 12 o clock. __________________ Don't Mess With Texas

06-24-2012, 02:14 PM	#3
OhSnapS14 Leaky Injector Join Date: Feb 2012 Location: racecar land~ Age: 23 Posts: 122 Trader Rating: (3) Feedback Score: 3 reviews	They seem to be blowing on high just fine and they are sucking fans not pushing. thats the way the guy before me had them set up. Can a heater core issue be a problem?

06-24-2012, 07:38 PM	#4
OhSnapS14 Leaky Injector Join Date: Feb 2012 Location: racecar land~ Age: 23 Posts: 122 Trader Rating: (3) Feedback Score: 3 reviews	really can no one else help?!

06-24-2012, 08:13 PM	#6
OhSnapS14 Leaky Injector Join Date: Feb 2012 Location: racecar land~ Age: 23 Posts: 122 Trader Rating: (3) Feedback Score: 3 reviews	whats the best way to bleed the coolant system, raise up the front end? also when i look in the radiator the water isnt moving from side to side. =/

06-24-2012, 08:36 PM	#9
OhSnapS14 Leaky Injector Join Date: Feb 2012 Location: racecar land~ Age: 23 Posts: 122 Trader Rating: (3) Feedback Score: 3 reviews	ive take out the thermostat completely cause of the issues ive been having with it and also i bypassed the heater core today to see if that was it. was told to by a friend. ill put that back together but the custom intake plenum i havent a clue where the bleeder screw is. and its not on the radiator.

06-24-2012, 09:42 PM	#10
Butcher240sx Zilvia Member Join Date: Oct 2010 Location: Houston Texas Age: 32 Posts: 156 Trader Rating: (0) Feedback Score: 0 reviews	Did you buy a new rad cap? And have the head surfaced when you did the HG? __________________ Don't Mess With Texas

06-24-2012, 09:49 PM	#11
OhSnapS14 Leaky Injector Join Date: Feb 2012 Location: racecar land~ Age: 23 Posts: 122 Trader Rating: (3) Feedback Score: 3 reviews	No the rad cap is the same and it was wiz wheeled not resurfaced. Did a dye test and it was fine. also the compression came back good and I'm losing no coolant so let's rule out hg. i found something saying that the RBs get air locked easily so im gunna try that tomorrow. Last edited by OhSnapS14; 06-25-2012 at 12:12 AM..

06-25-2012, 04:57 PM	#12
Butcher240sx Zilvia Member Join Date: Oct 2010 Location: Houston Texas Age: 32 Posts: 156 Trader Rating: (0) Feedback Score: 0 reviews	Start with a new cap. It's cheap. If that fixes it put your thermostat back in. Bleed well. How are you measuring temp? Aftermarket gauge? I've been working on a Saturn this week that sits at 210 pretty quick. The Efan doesn't even come on until about 225* __________________ Don't Mess With Texas

06-25-2012, 08:26 PM	#13
Sileighty_85 SR/RB Guru Join Date: Dec 2006 Location: Misawa, Japan Posts: 5,722 Trader Rating: (5) Feedback Score: 5 reviews	^^ Thats pretty damn hot guy. My RB runs around 180-188* __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

06-25-2012, 09:53 PM	#14
Butcher240sx Zilvia Member Join Date: Oct 2010 Location: Houston Texas Age: 32 Posts: 156 Trader Rating: (0) Feedback Score: 0 reviews	Yeah , I thought so too. When the fan finally comes on the temp drops to 200 and the fan turns back off. __________________ Don't Mess With Texas

06-25-2012, 10:27 PM	#15
Sileighty_85 SR/RB Guru Join Date: Dec 2006 Location: Misawa, Japan Posts: 5,722 Trader Rating: (5) Feedback Score: 5 reviews	Thought you were referring to an RB Engine... Every engine is different __________________ 後輪駆動車１番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit

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06-27-2012, 02:23 AM	#16
OhSnapS14 Leaky Injector Join Date: Feb 2012 Location: racecar land~ Age: 23 Posts: 122 Trader Rating: (3) Feedback Score: 3 reviews	yah, i bleed it and it seems to be running better about 210 on avg today just puttering around. what kinda temps do you get when you drift?

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