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Questions tagged [thermostat]

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4 votes
1 answer
3k views

2004 Accord No Heat

My son has a 2004 Honda Accord EX 2.4L. The interior heat stopped working and he can't defrost his windows in the morning. Here are the things I've done to fix the problem: Replaced the thermostat ...
1 vote
2 answers
7k views

2008 Chevy Equinox: no heat in idle

My 2008 Equinox had not been getting heat in idle, but heat would come on when driving. There was also a strong coolant smell when heat was on. Recently, I was getting overheating messages on the dash,...
0 votes
1 answer
60 views

Lower Temp Thermostat for Forced Induction?

Is there a case to be made for a low temp. thermostat for a factory N/A engine that has been supercharged? I am considering a future project where I'd supercharge a 2L engine, running a modest 7-8 psi ...
1 vote
1 answer
45 views

Car is running hotter after new radiator install (thermo fan coming on later)

I noticed there was a small crack in the radiator of my 93 VW Golf/Rabbit Cabriolet. So I ordered a new one and installed it. However, the car seems to now run hotter - or, at least, the thermo-fan ...
0 votes
2 answers
94 views

Replace thermostat or use head gasket sealer first?

1997 Pontiac Sunfire 2.4L I have a cooling system puzzle to solve. My cars temperature gauge isn't showing it is overheating but it is running hot. If I open the hood after trips longer than about 10 ...
0 votes
1 answer
933 views

Chevrolet cruze´s cursed thermostat housing leak

My father has a chevrolet cruze 2014 that one day decided to start leaking coolant from the thermostat housing. As far as I am concern, it is a fairly common problem in these cars. It has been ...
1 vote
2 answers
107 views

What would be the long-term result of driving without a thermostat?

Would there any damage done to an engine if you run it without a thermostat permanently? Let's assume the vehicle is driven in a climate that is warm and temperatures never drop below freezing.
2 votes
1 answer
8k views

How long it take for car engine to heat up to a normal range ? 2005 Toyota Camry 2.4L L4 FI DOHC 16V

I recently bought a used 2005 Camry with 157k miles on it. What I notice is that the thermostat gauge stays in the middle even while the car is running at 70mph. Today I noticed that it takes 3 ...
1 vote
4 answers
342 views

Is it worth refurbishing a metal gasket for a thermostat housing?

The problem I have a leak in the upper half of this thermostat housing on this T5 engine of a Volvo between parts 28 and 27 of the diagram below. I disassembled things today and found a metal gasket (...
0 votes
0 answers
27 views

Need help with overheating st

We have changed the radiator in the fan to the radiator and my car is still overheating. Do I need to change the thermostat or could there be another possible reason why it is overheating?
4 votes
1 answer
284 views

Saturn ion 2007 Temperature gauge

My car temperature suddenly drops down while driving and won't move until I remove the battery and put it back... What could be the cause pls? I have change the engine coolant temperature sensor or do ...
0 votes
0 answers
99 views

Cylinder 3 misfire after thermostat replacement valve

I have 2003 Ford Expedition that had the heater not working because my thermostat was broken open. I then got a code to replace the thermostat. I need to take a long drive so I took it to a shop to ...
0 votes
3 answers
3k views

Does drilling a hole in thermostat affect engine temperature during cruising speed? (Please read my explanations before answering)

I want to drill a tiny hole in my thermostat to help get rid of the air which is trapped behind the thermostat after replacing my coolant. Unfortunately, my car has only one bleeding screw which is ...
0 votes
0 answers
309 views

I changed thermostat now there is a loud noise

I recently had the upper radiator hose blow out. I replaced it. No problems. 2 weeks later I started experiencing over heating/temp gauge going up and down but never redlining, but once in which case ...
6 votes
3 answers
18k views

How to know when thermostat is open?

Is there a way in modern vehicles to know when the thermostat is on vs off? Is it possible to tell when you don't have access to under the hood, IOW when you're driving?
6 votes
4 answers
16k views

Should you change a thermostat when changing your water pump

Just got my water pump changed. Now my thermostat is trying to edge up. Should you change your thermostat when you change your water pump?
0 votes
2 answers
475 views

2003 Subaru Outback coolant overflowing

I have a 2003 Subaru Outback Put new radiator, new hoses, new housing, new tstat, new belts, new Reservoir and hose and flushed it and it still sprays coolant all over the engine from the Reservoir. ...
0 votes
1 answer
105 views

Engine took a long time to warm up after putting chemical coolant flush in coolant reservoir

I have a 2006 Kia Rio 1.6L. Yesterday I put in chemical flush in the coolant reservoir since I’m flushing the system out on the weekend. I drove it once yesterday and the temperature increased as ...
0 votes
2 answers
652 views

Bubbling (not boiling) coolant

I have changed my car's thermostat (a month ago), and after driving for 30 minutes, the coolant starts bubbling (it doesn't seem to be boiling) because the temperature is in the norm (95 degrees ...
0 votes
1 answer
974 views

Driving 2 hours without thermostat

Is it harmful to drive 2 hours without thermostat? I want to remove my thermostat just for ease of changing my coolant. I rinse my cooling system with distilled water 4 times. I fill up the whole ...
2 votes
2 answers
398 views

Torque specs for a plastic thermostat flange

I recently replaced my thermostat flange which is made of plastic. Unfortunately, I didn't find any torque specs for its bolts in the manual. Since, plastic parts break easily, I'm afraid of over-...
2 votes
2 answers
2k views

How can I open my thermostat cover which is stuck due to using too much gasket maker material?

I have to replace my thermostat with a new one. I have removed all the bolts of thermostat cover in my car but the gasket maker material has caused the thermostat housing and thermostat cover to stick ...
4 votes
1 answer
8k views

'05 Accord - No heat; changed thermostat

Alright so here's my problem. My 2005 Accord does not have HOT heat coming from the blowers. Sometimes it blows warmish. I just changed my thermostat today, and when I drained my radiator, the ...
4 votes
2 answers
12k views

2002 Honda Civic Overheating -

So I have a 2002 Honda Civic Lx. I’m not really too shabby with this car thing. We have changed my thermostat. My dad has replaced one of the hose. The system has been flushed. I don't know what's ...
1 vote
2 answers
47 views

ECT registering low at steady state. (low enough to set a code) No explanation

A little back story, this is a 2015 Jeep Wrangler. Since 2017 I've kept an eye on coolant levels because sometimes I can smell burning coolant when I'm in front of the vehicle (not in the vehicle). ...
0 votes
1 answer
97 views

My 2004 Chevy impala is overheating how can you help me?

My Chevy impala 2004 I love and is a good car when I drive my car it overheats till I cut on the AC and it would go in the middle again I'm trying to figure out what it is before I spend more money on ...
1 vote
0 answers
4k views

2006 Chevy Equinox doesn't have heat

Replaced the door that is in the dash and the thermostat. Still doesn't have heat. Very frustrated, this car hauls my grandkids around and the money invested is over $2000. We don't think the mechanic ...
0 votes
2 answers
338 views

Book time on replacing thermostats on 2007 Silverado HD2500 with 6.6 diesel [closed]

Overheating issues. Was looking for book time to replace thermostats is all.
2 votes
0 answers
180 views

Car overheating + new thermostat

My Renault 25 has been having cooling problems for several weeks now, yet i cannot figue out the problem. It has a new thermostat and water pump. Without thermostat, I cannot install a gasket so it ...
1 vote
1 answer
2k views

Trouble with overheating - coolant boiling while trying to burp system

I've got a 95 Acura legend with cooling issues. I recently replaced a cracked radiator and the thermostat while i was at it, but the coolant is boiling before the thermostat opens so I can't burp the ...
0 votes
0 answers
68 views

Unexpected explosion of coolant after new radiator install

I just slapped a new radiator into my 5.4 1998 ford van. I followed the step by steps. Once the new one was in there I was to understand that you just refill the reservoir, then turn on the van and ...
0 votes
0 answers
696 views

On cars with 2 Thermostats, how exactly does coolant flow through the block?

How does the coolant flow in each of the following 3 cases: 1) both stats closed, 2) stat at the water inlet open (nissan calls this stat the thermostat) 3) both stats open (nissan calls the stat at ...
1 vote
2 answers
283 views

Cooling system problem (Car gauge always at cold) 2006 Honda fit 1.3L IDSI

I have a 2006 Honda fit 1.3L IDSI and Im having a cooling system problem. Engine Coolant Temp gauge always at cold. can u guys help me narrow down the cause of this? I recorded some data with my ...
1 vote
2 answers
4k views

temperature gauge too low while the AC is on

I changed my radiator to double cell, after the single cell got leaking. I now noticed that the temperature gauge never goes up to normal gauge whenever I turn on the AC, and the Fan never idles. ...
3 votes
1 answer
429 views

No Heat No Clue

I have a 2001 Dodge Neon. I replaced the thermostat because the heater was blowing cold air. The heater is still blowing cold air… The car does not overheat. It doesn't feel like water is flowing ...
3 votes
1 answer
66 views

What component failure could cause this?

Despite the temperature here being +13°C today, this 2007 Vauxhall Corsa has started reporting anywhere from -37 to -40. My gut feel is that there must be an external thermostat that has failed, ...
3 votes
3 answers
1k views

Changed thermostat but the need to top the coolant up every few days

I have a Nissan March (Micra) 2003 and I had a thermostat problem (was jammed) and my friend changed it for me almost 9 months ago. Ever since then, I need to top up the water every few days. If I'm ...
5 votes
2 answers
6k views

Vauxhall Corsa 1.3 CDTI Thermostat replacement?

My Vauxhall Corsa 1.3 CDTi 2011's thermostat is stuck open so I am going to have to buy a new thermostat, the problem is I have no experience with car maintenance or repair, I haven't been able to ...
1 vote
2 answers
2k views

Which AC temperature gets rid of the fog

Today while driving in the rain, I was not able to get rid of the fog. Outside temperature was 21 degrees and I had set my AC to 23 degrees with front mode on. This tric works sometimes (Outside ...
1 vote
1 answer
2k views

What actually happens when there is no Thermostat ( bypass thermostat)in coolant system?

What actually happens when there is no thermostat (bypass thermostat) in coolant system?
1 vote
0 answers
429 views

Cyclinder 2 misfire error code - 11 Dodge Journey 3.6L V6

2011 Dodge Journey Mainstreet 2wd 3.6L V6 100k miles Check Engine Light on, first read Low Voltage replaced Battery Check Engine Light came back on, 2nd read Cylinder 2 misfire, & Thermostat ...
1 vote
0 answers
293 views

2006 Equinox LS. Bottom Radiator hose is cold and no heat!

I've changed the Thermostat in hopes that was the problem but after flushing the system and hooking everything back up the top Radiator hose is warm as usual but the bottom hose will warm up then ...
1 vote
0 answers
92 views

Opel vectra 1997 temperature gauge not working

I have 97 Opel vectra, temperature gauge stopped working all of a sudden, I first suspected that the thermostat failed so, I made sure I got 12V from the input wire then I just replaced the thermostat ...
1 vote
3 answers
617 views

Ran 2002 PT cruiser w/ out coolant/water, overheated but temp gauge showed normal.

I did a radiator flush, refilled the radiator with water and cleaner, and drove for about 10 minutes. Because I was trying to get my car to temp so the fans and water-pump would kick in I was keeping ...
0 votes
1 answer
18 views

2000 Hyndai Elantra

My car keep over heating. The fans are operational, thermostat has been replaced, new water pump has been put in, hoses and clamps have been replaced and radiator cap is new also the radiator has been ...
6 votes
2 answers
37k views

Should I use both gasket and silicone sealer or only one on thermostat?

Sorry If this is a stupid question but I'm a noob with mechanic work. I am replacing the thermostat on my 98 Nissan 200SX. I bought both a gasket and blue rtv silicone made to make or seal your own ...
3 votes
2 answers
7k views

My system coolant for is overheating even after I've changed the thermostat

My car is a Honda Civic LX 2002, 4 cylinder. It is overheating after I've changed the thermostat, there are no cracks in the cylinder block and radiator, brand new gaskets.
2 votes
1 answer
471 views

Sign of blown head gasket

I just replaced the water pump new and took out the thermostat because it was stuck closed and didn't have the 40 bucks for a new one yet. When I had the van engine running and normal temp between 185 ...
11 votes
5 answers
138k views

Car won't reach operating temperature

Here's a seemingly simple problem - I noticed that the temperature gauge of my mother's 2004 Opel Meriva 1.7CDTI won't ever climb above minimum. I checked the OBD readings to see if it was a defective ...
3 votes
1 answer
63 views

How do I move this loom temporarily?

Working on a 2013 Chevrolet Impala LS, 3.6L VVT Engine. I need to remove the thermostat housing in order to replace the thermostat. After much pushing, shoving and swearing I managed to get the ...