Help! Overheating prob with daily driver

90'5.0 Conv · 06-03-2002, 07:27 PM

Alright I know this isn't the Honda message board but I thought maybe I could get some help here. If this is the wrong spot for this, I apologize. I know when it comes down to cars though, cars are cars and maybe someone can relate to my problem. Today, I was driving my 91 honda civic home from work and it started to overheat. It went up and down for a bit(ten minutes), then finally went sky high, luckily I made it to the house before it got too hot. Anyway, the car has 213,000 miles on it and I just changed the plugs a few weeks ago and unfortunately the #3 plug was covered in oil. So, I realize I have a short life to live on the motor but I'll ride it out. Like I said, it started acting up today and I've checked out a few things. First thing I did was change the thermostat, that didn't work so i checked and made sure the fan was coming on. The weird thing is when I'm idling the car or just leave it in park, i can rev the motor and everything is great till I head down the road, then the problems start. Everytime I head somewhere, it gets hot prettty quickly. I was thinking maybe the transaxle was giving me a problem. Is that a possibility? Why would it just overheat when I'm driving yet when I rev the heck out of it in park, nothing? Thanks a bunch for any advice. I hate to drive the mustang daily, gotta take care of my baby. I'm sure you understand

Anyway, all ideas are welcome and again I'm sorry if this is inappropriate but I have nowhere else to turn to for help.

Thanks, James

gtsr515 · 06-03-2002, 08:24 PM

Head Gasket? Water Pump? Bad Coolant? Radiator Cap? Low Coolant? Fan? Shrouds? Relays?

Had an 88 CRX, but no problems? Just trying to help.

I say Water pump.

90'5.0 Conv · 06-03-2002, 08:33 PM

Would the water pump work fine at idle and not when I drive it? Theres no coolant leaking anywhere. There's no coolant in the oil. The fan does work, I can hear it cut on. By the way, it's an automatic if that makes a difference. I can see this is going to be a royal pain in the you know who.

James

greydan · 06-03-2002, 10:28 PM

Check the physical appearance of your lower radiator hose when you rev it. If it appears to squish, and change form...it's bad and is restricting the water flow, when you are driving. Takes awhile to overheat, with partial restriction, if it goes oval
the volumn capacity is reduced.

90'5.0 Conv · 06-06-2002, 08:17 PM

I went ahead and replaced the upper and lower hoses, flushed the system again and that didn't work. It seems weird how it does. Let me see if I can explain it. I go ahead and start the car, running idle for awhile and temp is fine. As soon as I go for a drive, the needle looks ok for about 1 minute(while accelerating), then starts getting hot quickly but if I just coast, temp will eventually go back to right spot after a few minutes. If I slow to an idle and sit there, the temp will go back to the normal reading after a few minutes. I'm really confused

Any other ideas fellas?

Thanks, James

06-06-2002, 10:14 PM

This may not be much help but.. How does the belt look? Is it stretched or worn where it may be slipping and not turning the water pump like it should? Just a thought..

LOCASH · 06-07-2002, 10:49 AM

Is the temp sensor working? Is the car really getting that hot? Maybe its the sensor or the gauge?

90'5.0 Conv · 06-07-2002, 03:18 PM

Unfortunately, it is getting that hot. The belt that operates the water pump is the timing belt I think and no I haven't looked at it yet. But remember if it's at an idle its fine. If I could find a way to stick my head under the hood whiile driving down the highway, I probably could see the problem

I could take the timing belt cover off and look but that probably won't tell me much unless it's obviously loose so I'll take a peek and let you know what I find out. Thanks for the help.

James

jerrys84 · 06-07-2002, 03:26 PM

i always thought, unless a water pump is leaking, it does'nt need replacing??

LOCASH · 06-07-2002, 03:41 PM

Maybe there is an air pocket in the cooling system. Try putting the car so that the radiator is the highest point. Like park the front end on a curb. Take off the cap and let it run for a while. If there is any air trapped in the system, this should bring it out. Other than that, I'm tapped.

90'5.0 Conv · 06-07-2002, 04:33 PM

Jerry-The water pump does leak when it goes bad but Rbatson was talking about the belt maybe slipping from being loose.

I'm going to start digging around soon and check the belt but I will try so see if theres an air pocket like Locash mentioned. It won't hurt to try. Thanks for your help. I will keep you posted on what I've done and haven't done. Thanks for the ideas.

James

90'5.0 Conv · 06-08-2002, 02:27 PM

Well, i just got back from my test drive and everything looks great! A big thanks to everyone who helped. Locash, an especially big thanks, turns out you were right. I did like you said, run the car with the cap off, put it up on some ramps and let it bubble up for about 20 minutes. Put on the cap and everythings great. I don't know how an air pocket got in there and I've never heard of it but I sure appreciate the advice.

Thanks a bunch, James

LOCASH · 06-09-2002, 09:40 AM

No Problem!! Glad I could help.

06-03-2002, 07:27 PM	#1
90'5.0 Conv Long time member in and out Join Date: Jul 2001 Location: Albany, Ga Posts: 343	Help! Overheating prob with daily driver Alright I know this isn't the Honda message board but I thought maybe I could get some help here. If this is the wrong spot for this, I apologize. I know when it comes down to cars though, cars are cars and maybe someone can relate to my problem. Today, I was driving my 91 honda civic home from work and it started to overheat. It went up and down for a bit(ten minutes), then finally went sky high, luckily I made it to the house before it got too hot. Anyway, the car has 213,000 miles on it and I just changed the plugs a few weeks ago and unfortunately the #3 plug was covered in oil. So, I realize I have a short life to live on the motor but I'll ride it out. Like I said, it started acting up today and I've checked out a few things. First thing I did was change the thermostat, that didn't work so i checked and made sure the fan was coming on. The weird thing is when I'm idling the car or just leave it in park, i can rev the motor and everything is great till I head down the road, then the problems start. Everytime I head somewhere, it gets hot prettty quickly. I was thinking maybe the transaxle was giving me a problem. Is that a possibility? Why would it just overheat when I'm driving yet when I rev the heck out of it in park, nothing? Thanks a bunch for any advice. I hate to drive the mustang daily, gotta take care of my baby. I'm sure you understand Anyway, all ideas are welcome and again I'm sorry if this is inappropriate but I have nowhere else to turn to for help. Thanks, James __________________ 90' Mustang GT Convertible- C4 w/ manual body 4.10's soon to be 3.27's 2 Ch Flowmasters 1/8th ET 9.04

06-03-2002, 08:24 PM	#2
gtsr515 Registered Member Join Date: Nov 2001 Location: Sunny, Hot, Sebring, Florida Posts: 725	Head Gasket? Water Pump? Bad Coolant? Radiator Cap? Low Coolant? Fan? Shrouds? Relays? Had an 88 CRX, but no problems? Just trying to help. I say Water pump. __________________ Remember...2nd place is 1st place for losers!

06-03-2002, 10:28 PM	#4
greydan Registered Member Join Date: Jan 2001 Location: clawson, mi. Posts: 32	overheat Check the physical appearance of your lower radiator hose when you rev it. If it appears to squish, and change form...it's bad and is restricting the water flow, when you are driving. Takes awhile to overheat, with partial restriction, if it goes oval the volumn capacity is reduced.

06-06-2002, 08:17 PM	#5
90'5.0 Conv Long time member in and out Join Date: Jul 2001 Location: Albany, Ga Posts: 343	I went ahead and replaced the upper and lower hoses, flushed the system again and that didn't work. It seems weird how it does. Let me see if I can explain it. I go ahead and start the car, running idle for awhile and temp is fine. As soon as I go for a drive, the needle looks ok for about 1 minute(while accelerating), then starts getting hot quickly but if I just coast, temp will eventually go back to right spot after a few minutes. If I slow to an idle and sit there, the temp will go back to the normal reading after a few minutes. I'm really confused Any other ideas fellas? Thanks, James __________________ 90' Mustang GT Convertible- C4 w/ manual body 4.10's soon to be 3.27's 2 Ch Flowmasters 1/8th ET 9.04

06-07-2002, 10:49 AM	#7
LOCASH Registered Member Join Date: Oct 2000 Location: Santa Lucia di Budoia, Italy Posts: 217	Is the temp sensor working? Is the car really getting that hot? Maybe its the sensor or the gauge? __________________ 86 GT T-tops

06-03-2002, 08:33 PM	#3
90'5.0 Conv Long time member in and out Join Date: Jul 2001 Location: Albany, Ga Posts: 343	Would the water pump work fine at idle and not when I drive it? Theres no coolant leaking anywhere. There's no coolant in the oil. The fan does work, I can hear it cut on. By the way, it's an automatic if that makes a difference. I can see this is going to be a royal pain in the you know who. James __________________ 90' Mustang GT Convertible- C4 w/ manual body 4.10's soon to be 3.27's 2 Ch Flowmasters 1/8th ET 9.04

06-06-2002, 10:14 PM	#6
rbatson Guest Posts: n/a	This may not be much help but.. How does the belt look? Is it stretched or worn where it may be slipping and not turning the water pump like it should? Just a thought..

06-07-2002, 03:18 PM	#8
90'5.0 Conv Long time member in and out Join Date: Jul 2001 Location: Albany, Ga Posts: 343	Unfortunately, it is getting that hot. The belt that operates the water pump is the timing belt I think and no I haven't looked at it yet. But remember if it's at an idle its fine. If I could find a way to stick my head under the hood whiile driving down the highway, I probably could see the problem I could take the timing belt cover off and look but that probably won't tell me much unless it's obviously loose so I'll take a peek and let you know what I find out. Thanks for the help. James __________________ 90' Mustang GT Convertible- C4 w/ manual body 4.10's soon to be 3.27's 2 Ch Flowmasters 1/8th ET 9.04

06-07-2002, 03:26 PM	#9
jerrys84 Registered Member Join Date: Feb 2002 Location: minnesota Posts: 129	i always thought, unless a water pump is leaking, it does'nt need replacing?? __________________ 91 LX 'work in progress' previous stangs; lightly modded 84GT 81 2.3 converted to 302 auto

06-07-2002, 03:41 PM	#10
LOCASH Registered Member Join Date: Oct 2000 Location: Santa Lucia di Budoia, Italy Posts: 217	Maybe there is an air pocket in the cooling system. Try putting the car so that the radiator is the highest point. Like park the front end on a curb. Take off the cap and let it run for a while. If there is any air trapped in the system, this should bring it out. Other than that, I'm tapped. __________________ 86 GT T-tops

06-07-2002, 04:33 PM	#11
90'5.0 Conv Long time member in and out Join Date: Jul 2001 Location: Albany, Ga Posts: 343	Jerry-The water pump does leak when it goes bad but Rbatson was talking about the belt maybe slipping from being loose. I'm going to start digging around soon and check the belt but I will try so see if theres an air pocket like Locash mentioned. It won't hurt to try. Thanks for your help. I will keep you posted on what I've done and haven't done. Thanks for the ideas. James __________________ 90' Mustang GT Convertible- C4 w/ manual body 4.10's soon to be 3.27's 2 Ch Flowmasters 1/8th ET 9.04

06-08-2002, 02:27 PM	#12
90'5.0 Conv Long time member in and out Join Date: Jul 2001 Location: Albany, Ga Posts: 343	Running Cool Again!! Well, i just got back from my test drive and everything looks great! A big thanks to everyone who helped. Locash, an especially big thanks, turns out you were right. I did like you said, run the car with the cap off, put it up on some ramps and let it bubble up for about 20 minutes. Put on the cap and everythings great. I don't know how an air pocket got in there and I've never heard of it but I sure appreciate the advice. Thanks a bunch, James __________________ 90' Mustang GT Convertible- C4 w/ manual body 4.10's soon to be 3.27's 2 Ch Flowmasters 1/8th ET 9.04

06-09-2002, 09:40 AM	#13
LOCASH Registered Member Join Date: Oct 2000 Location: Santa Lucia di Budoia, Italy Posts: 217	No Problem!! Glad I could help. __________________ 86 GT T-tops

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