I need advice my car recently started overheating so I changed the thermostat it still overheated so I changed the water pump and put I new radiator in it yesterday and it's still running hot I bled the lines and filled the new radiator with coolant and my fans work so what could be the issue..........
2002 Buick century overheating
- Thread starter Asap_Huncho
- Start date
BonzaiDuck
Lifer
- Jun 30, 2004
- 16,122
- 1,738
- 126
Let the car cool off to room temperature, so the radiator is safe for cap removal. Look in the coolant. Do you see something that looks like oil, or an oil-emulsion with the coolant? I think this would look milky-white. Also, check your oil-dipstick, and see if you nave antifreeze with water in the crankcase.
overheating can be a symptom of many things. You seem to have addressed all but one: a blown head-gasket.
Head Gasket web-blog
It's not an easy DIY operation even for seasoned home-mechanics, unless they have easy access to a means of resurfacing the cylinder head, where it mates with the engine block. This would likely be a large belt-driven sander, which can support the size and weight of the relevant parts. Even if your decision ultimately favors outsourcing to your mechanic or shop, it's not a lot of trouble to familiarize yourself and give a quick glance to what has to be done to replace the head gasket. Here's a decent description: Replace Head Gasket.
When I once had this sort of thing done, I was recommended to overhaul the entire engine, which had ~160,000 miles op it, and the engine overhaul expense at that time was approximately $700 and change. The Civic 1200 was considered by some good-ol'-boy Dukes-of-Hazard-type mechanics to be in a muscle-car class by itself, but the engine was small, the vehicle had a simple design, and an engine-overhaul expense reflected all of those factors. Then, I was young and fulla beans, and at age 33 was able to carry the engine from my parking lot to my cellar storage bin -- or about half a flight of stairs going up, and a whole flight of stairs going down.
Something like that today would be a Civic or Corolla with a lot more bling and features, and my blind guess would make $1,400 the minimum possible repair-market price. It all depends on your make and model. If the car is more than 20 or 30 years old, the repair shop may have trouble finding parts. What kind of car is it and what model year? Oh! it was in the thread title! Sorry.
BoomerD also has insights. A temperature sending unit is a very inexpensive repair -- which you probably could do yourself if you can find the right wire junctions and the location of the part on the engine. A bad gauge means removal or partial removal -- dislodgement -- of the dashboard, less fun if you're the mechanic, and I wouldn't know the number of labor hours with that. Even that part should certainly cost less than $100, depending on make, model and year. I'd have to check.
overheating can be a symptom of many things. You seem to have addressed all but one: a blown head-gasket.
Head Gasket web-blog
It's not an easy DIY operation even for seasoned home-mechanics, unless they have easy access to a means of resurfacing the cylinder head, where it mates with the engine block. This would likely be a large belt-driven sander, which can support the size and weight of the relevant parts. Even if your decision ultimately favors outsourcing to your mechanic or shop, it's not a lot of trouble to familiarize yourself and give a quick glance to what has to be done to replace the head gasket. Here's a decent description: Replace Head Gasket.
When I once had this sort of thing done, I was recommended to overhaul the entire engine, which had ~160,000 miles op it, and the engine overhaul expense at that time was approximately $700 and change. The Civic 1200 was considered by some good-ol'-boy Dukes-of-Hazard-type mechanics to be in a muscle-car class by itself, but the engine was small, the vehicle had a simple design, and an engine-overhaul expense reflected all of those factors. Then, I was young and fulla beans, and at age 33 was able to carry the engine from my parking lot to my cellar storage bin -- or about half a flight of stairs going up, and a whole flight of stairs going down.
Something like that today would be a Civic or Corolla with a lot more bling and features, and my blind guess would make $1,400 the minimum possible repair-market price. It all depends on your make and model. If the car is more than 20 or 30 years old, the repair shop may have trouble finding parts. What kind of car is it and what model year? Oh! it was in the thread title! Sorry.
BoomerD also has insights. A temperature sending unit is a very inexpensive repair -- which you probably could do yourself if you can find the right wire junctions and the location of the part on the engine. A bad gauge means removal or partial removal -- dislodgement -- of the dashboard, less fun if you're the mechanic, and I wouldn't know the number of labor hours with that. Even that part should certainly cost less than $100, depending on make, model and year. I'd have to check.
Last edited:
deadlyapp
Diamond Member
- Apr 25, 2004
- 6,646
- 729
- 126
I'm with Boomer - temp sensor/gauge and/or blown headgasket.
I had a old chrysler sedan would overheat because the head gasket blew, forcing exhaust gas into the cooling system and creating giant air pockets that would vapor lock the coolant pump. Almost none of the telltale signs of blown headgasket (no white smoke, no coolant in oil, no oil in coolant), and only happened once the system came up to temp and the overflow reservoir would start to fill up and constant bubbles in the cooling system.
I had a old chrysler sedan would overheat because the head gasket blew, forcing exhaust gas into the cooling system and creating giant air pockets that would vapor lock the coolant pump. Almost none of the telltale signs of blown headgasket (no white smoke, no coolant in oil, no oil in coolant), and only happened once the system came up to temp and the overflow reservoir would start to fill up and constant bubbles in the cooling system.
squirrel dog
Diamond Member
- Oct 10, 1999
- 5,564
- 48
- 91
pull out your dipstick , does it have oil on it ? If it is way up on the dipstick with milky looking fluid,thats a blown , or failed head gasket . If it is oil(honey colored if new or brown or black if old)then you have a fan or fan clutch issue or a collapsing hose . As herm advised a head gasket is the worst , could be a warped head .
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