1996 Chevy Lumina The car overheats daily.

Tiny
CKIT36
  • MEMBER
  • 1996 CHEVROLET LUMINA
Engine Cooling problem
1996 Chevy Lumina Automatic 150K miles

It has a new thermostat and water pump. I check
the water and antifreeze before leaving the driveway.
Any ideas?
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Saturday, June 20th, 2009 AT 10:49 AM

12 Replies

Tiny
OBXAUTOMEDIC
  • EXPERT
Hello,

Have you noticed whether or not the Cooling Fans are coming on? If not could be a Relay or possibly the fan motors.

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Saturday, June 20th, 2009 AT 10:56 AM
Tiny
CKIT36
  • MEMBER
Thank you. I will get my son-in-law to check the fans.
I need to know more about cars now that my husband
has died and I know so little.
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Saturday, June 20th, 2009 AT 7:50 PM
Tiny
DORATHEEXPLORER
  • MEMBER
I was having the same problem. Do your fans come on at all? I also replaced the thermostat and put in new relays. The fans just would not come on. My brother told me to replace the temp sending sensor (usually on the thermostat housing) and the coolant sensor (usually on the radiator or the head). The coolant sensor tells the relays to turn the fans on. So far so good.
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Monday, June 22nd, 2009 AT 10:09 AM
Tiny
CKIT36
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I'm saving answers for my son-in-law. After flushing the
radiator a few times it seems not to be overheating now. It could start again. Thanks
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Tuesday, June 23rd, 2009 AT 8:46 AM
Tiny
CKIT36
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Today I had driven around several places and it quit
suddenly today. As is usual it would not start again.
I left the car and went into an air conditioned business.
Less then an hr. Later I went out and it started right up.
The heat gauge did NOT go up this time but it seems
like something is shutting down when the car gets a
little hot. I sure couldn't take a trip in it if its over a
half an hour or so. Its too hot to get out and walk far,
WHAT A PAIN!
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Tuesday, June 23rd, 2009 AT 8:18 PM
Tiny
CKIT36
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Where are the cooling fans and relays? We are at a loss.
And the car is overheating again big time. It doesn't help that somehow I didn't put the radiator cap on
tight and its lost on the road. I will buy a radiator cap
but what next? Thank you
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Saturday, June 27th, 2009 AT 1:28 PM
Tiny
OBXAUTOMEDIC
  • EXPERT
Ok, if it is not overheating now that you flushed the system a couple times then you have another problem.

Has the engine light come on at all? If so need to get codes read and post them.

If no engine light then could be fuel pump or fuel pump relay.

Will need more info on vehicle.

Is it the Car or the Van and what size engine in Liters.

.
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Saturday, June 27th, 2009 AT 3:06 PM
Tiny
CKIT36
  • MEMBER
This is the car. It is still overheating or has started
again. I thought it was too old to get codes but I'll
take it in when I can get it to stay cool long enough.
The engine light has been coming on. Thanks.
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Saturday, June 27th, 2009 AT 9:29 PM
Tiny
OBXAUTOMEDIC
  • EXPERT
Ok, if it is overheating again check the fans, they are located at the front of the car/engine compartment. And mounted on the radiator.

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Monday, June 29th, 2009 AT 1:20 PM
Tiny
CKIT36
  • MEMBER
The fans etc. Seem to be o.K. According to my son-in-law, He tried the new radiator cap and we
thought we had it because it went a few days
without overheating or stopping on me. I even
drove it on a 30 mile trip. Both ways with no problem. Going home I was more concerned because it was dark and my 10 yr. Old great-grandson was along. I didn't want to get stuck and have to walk in the dark. Then yesterday was a nightmare. We went to church with no problems and afterwards went to my son's and daughter-in-law's house. We were there about an hour and started home (about 2 to 3 miles away). When we got within under a mile from home the car shut down. It began cutting out and missing and then stopped. It would not start
again so we walked home. After it cooled down it
started and came home. After a rest we left again.
I was going to take a grandson and the great-grandson to my son-in-law's house. We didn't get a
1/2 mile when it shut down. The two of them and
a man going by pushed it into a gas station. After
a rest and adding a little gas it started up and shut
down less then 1/2 mi. Later. After 3 more stops I
suggested calling the son-in-law. He pulled the car
into a parking lot, took me home and the other two
to his house. I just called over there and the grandson said his dad was going to try to start it. I told him to suggest getting codes read when he talked to him again. We don't have cell phones. During these stops the heat gauge didn't say it was hot but my son-in-law still thinks something is shutting it down when it is just a little hot. As I said before it has a new thermostat and water pump and now a new radiator cap. Water is not leaking out and fans are working.
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Monday, July 6th, 2009 AT 1:53 PM
Tiny
OBXAUTOMEDIC
  • EXPERT
Ok, here's what he will need to do.

Have him drive it around the neighborhood till it dies. He will need someone else with him that can try starting the car.

When it dies he will need to check for spark at a couple of plugs. Just pull loose a couple plug wires before attempting to start again. Then have the other person try starting the car and slowly pull one of the plug wires away from the plug and listen for a snapping or using a philips screw driver incert it into the end of the plug wire so that it contacts the metal inside then hold it about 1/4 - 1/2 inch away from a good ground. Look for spark it should be a bright bluish/white. If no spark could be the coil or the control module.

Post findings.

.
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Monday, July 6th, 2009 AT 9:26 PM
Tiny
CKIT36
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Thank you so much. I am ready to talk to my son-in-law.
I pray this works. It sounds logical and shows effort and
thinking on your part.
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Tuesday, July 7th, 2009 AT 8:19 AM

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