heating up!!!!

streetking · 08-14-2009, 11:15 PM

okay, so im tired of trying to figure out what the hell is wrong with my lude. ive changed the thermostat like 3 times, changed the radiator, and the temp sending unit. what else could be causing my motor to heat up. its a rebuilt b21, so all the internals are new. plrase help. thanks.
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devin_decater · 08-14-2009, 11:43 PM

possible HG failure?

streetking · 08-15-2009, 12:10 AM

really? headgasket failure? like maybe they put on the wrong head gasket?
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scorpionsf · 08-15-2009, 12:12 AM

are you leaking any anti-freeze?

streetking · 08-15-2009, 12:14 AM

nope. no leaks, well oil only but no anti freeze.
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GoldenLude89 · 08-15-2009, 02:02 AM

coolant temp sensor.... autzone 25 bucks yo

streetking · 08-15-2009, 02:50 AM

i have not tried that yet. so will do. thanks guys.
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ludakiss · 08-15-2009, 03:00 AM

warped head? have you checked regulary how much coolant you have? are you loosing any?

streetking · 08-15-2009, 03:55 AM

i check every few days. and no oil leaks.

1funryd · 08-15-2009, 04:23 AM

Here is a good question, are you truly overheating or is the guage just displaying its overheating?

Another possibility is the one of the sensors or the guage itself might not be working right, still operating but not operating as it should so giving yo false possibilites.

streetking · 08-15-2009, 04:30 AM

yeah maybe sean. but it heats up, then cools down, then heats up, and it cools down. and it does this everytime i drive it. could it still be the gauge?

dano · 08-15-2009, 06:26 AM

Don't mean to insult you or anything, but, are you putting the thermostat in the right way around ??? Spring toward the engine ??

2nd one · 08-15-2009, 07:55 AM

could possibly be air bound as well. these cars can be a pain to get the air out of the system. that would show the air being hotter than the coolant when it hits the sending unit.

Mikeallen154 · 08-15-2009, 11:03 AM

i had that problem, it was the sensor for my fans going bad, and they were turning on and off at the wrong time and just eventually stopped turning on all together. Instead of replacing it, I just wired the fans to turn on when the cars turned on.

streetking · 08-15-2009, 11:28 AM

Quote:

Originally Posted by dano

Don't mean to insult you or anything, but, are you putting the thermostat in the right way around ??? Spring toward the engine ??

i know how the thermostat goes in. and no im not insulted, but thanks for asking.
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is there any other bleeding screw other than the one on the stat housing? cuz i opened that one after filling up the system, and it seemed to come out of there fine.

TripleLude · 08-15-2009, 01:28 PM

Sound like low fluid or improperly mixed fluid. If it is all water, or mostly water in the coolant system, it will turn to steam and not effectively be pumped through the system.

Drain and fill with exactly 50/50 mixture. (antifreeze / distilled water) Or just buy the pre-mixed 50/50 stuff.

2nd one · 08-15-2009, 02:27 PM

i just had to rebleed my system because i thought there was air in it. i did it with the car running and a piece of vacuum hose running to the reservoir. had to wait until the thermostat opened to get the rest of the air from the little coolant lines. thermostat is the highest point in the system, and as far as i know, its the only way to remove the air from the system. it was causing my temp needle to move around between normal and 3\4. now that the air is out, i got the needle to stabilize. the fan still came on as it should though.

08-14-2009, 11:15 PM	#1
streetking R.I.P. Whorehouse :-( Join Date: Jan 2007 Location: on pp.com Posts: 989 iTrader: (4) View Photos By: streetking	heating up!!!! okay, so im tired of trying to figure out what the hell is wrong with my lude. ive changed the thermostat like 3 times, changed the radiator, and the temp sending unit. what else could be causing my motor to heat up. its a rebuilt b21, so all the internals are new. plrase help. thanks. Posted via Mobile

08-15-2009, 03:00 AM	#8
ludakiss Lude Addict Join Date: May 2006 Location: BC, CANADA Posts: 595 iTrader: (7) View Photos By: ludakiss	warped head? have you checked regulary how much coolant you have? are you loosing any? __________________ To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. 1991 Toyota MR2 Turbo - summer car 1989 White Prelude 2.0 Si - daily driver 1989 Jeep Cherokee 4.0 liter - weekend fun 1988 Red Prelude S - parts car 1980 Lincoln Continental Town Car - burn rubber! ~~1989 Red Prelude 2.0 Si 4WS - parts car~~ *To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.*

08-15-2009, 03:55 AM	#9
streetking R.I.P. Whorehouse :-( Join Date: Jan 2007 Location: on pp.com Posts: 989 iTrader: (4) View Photos By: streetking	i check every few days. and no oil leaks. __________________ banned for being in love To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

08-15-2009, 04:23 AM	#10
1funryd Vendor Join Date: Jul 2003 Location: Originally from Guam, now in Auburn, WA Age: 38 Posts: 6,882 iTrader: (21) View Photos By: 1funryd	Here is a good question, are you truly overheating or is the guage just displaying its overheating? Another possibility is the one of the sensors or the guage itself might not be working right, still operating but not operating as it should so giving yo false possibilites. __________________ Sean H22 Project Manager To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. (Clik Here) To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. Members: Danny_19 - 1FunRyd(H23 swapped) - B20luda 3rd Gen Prelude Owners are Rare Breed of Enthusiast's!!! (originally posted by: RED89si)

08-15-2009, 04:30 AM	#11
streetking R.I.P. Whorehouse :-( Join Date: Jan 2007 Location: on pp.com Posts: 989 iTrader: (4) View Photos By: streetking	yeah maybe sean. but it heats up, then cools down, then heats up, and it cools down. and it does this everytime i drive it. could it still be the gauge? __________________ banned for being in love To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

08-15-2009, 12:10 AM	#3
streetking R.I.P. Whorehouse :-( Join Date: Jan 2007 Location: on pp.com Posts: 989 iTrader: (4) View Photos By: streetking	really? headgasket failure? like maybe they put on the wrong head gasket? Posted via Mobile

08-15-2009, 12:12 AM	#4
scorpionsf Donating Member Join Date: Jan 2009 Location: PA Posts: 402 iTrader: (0)	are you leaking any anti-freeze?

08-15-2009, 12:14 AM	#5
streetking R.I.P. Whorehouse :-( Join Date: Jan 2007 Location: on pp.com Posts: 989 iTrader: (4) View Photos By: streetking	nope. no leaks, well oil only but no anti freeze. Posted via Mobile

08-15-2009, 02:50 AM	#7
streetking R.I.P. Whorehouse :-( Join Date: Jan 2007 Location: on pp.com Posts: 989 iTrader: (4) View Photos By: streetking	i have not tried that yet. so will do. thanks guys. Posted via Mobile

08-15-2009, 06:26 AM	#12
dano Preludepower Member Join Date: Aug 2003 Location: Atlanta Posts: 6,286 iTrader: (0) View Photos By: dano	Don't mean to insult you or anything, but, are you putting the thermostat in the right way around ??? Spring toward the engine ?? __________________ To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

08-15-2009, 07:55 AM	#13
2nd one Donating Member Join Date: Nov 2008 Location: virginia beach, va Age: 31 Posts: 1,836 iTrader: (6) View Photos By: 2nd one	could possibly be air bound as well. these cars can be a pain to get the air out of the system. that would show the air being hotter than the coolant when it hits the sending unit.

08-15-2009, 11:03 AM	#14
Mikeallen154 True Luder Join Date: Jan 2009 Posts: 347 iTrader: (0) View Photos By: Mikeallen154	i had that problem, it was the sensor for my fans going bad, and they were turning on and off at the wrong time and just eventually stopped turning on all together. Instead of replacing it, I just wired the fans to turn on when the cars turned on. __________________ 1989 Honda Prelude Si 4WS, b20a5 - pretty much stock for now, saving up for boost To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

08-15-2009, 02:27 PM	#17
2nd one Donating Member Join Date: Nov 2008 Location: virginia beach, va Age: 31 Posts: 1,836 iTrader: (6) View Photos By: 2nd one	i just had to rebleed my system because i thought there was air in it. i did it with the car running and a piece of vacuum hose running to the reservoir. had to wait until the thermostat opened to get the rest of the air from the little coolant lines. thermostat is the highest point in the system, and as far as i know, its the only way to remove the air from the system. it was causing my temp needle to move around between normal and 3\4. now that the air is out, i got the needle to stabilize. the fan still came on as it should though. __________________ To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

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