Car overheats when climbing hills

car overheats when climbing hills

However, there are a few techniques you can follow to lessen the stress on your engine and climb inclines smoothly while maintaining relatively low Revolutions Per Minute RPMs. Whether your vehicle has a manual or automatic transmissionit is best that you keep the following driving tips and methods in mind when trying to tackle inclines and hills.

In comparison to vehicles with a manual transmission, vehicles that contain an automatic transmission have an easier time of tackling hills. The transmission in an automatic vehicle naturally switches to a lower gear with lower RPMs once you reach a certain low speed. Additionally, you can take certain measures to make driving up hills easier on your car's engine and transmission. Step 1: Use the right drive gears.

While going uphill, use the D1, D2, or D3 gears to maintain higher RPMs and give your vehicle more climbing power and speed. Driving a vehicle with a manual transmission up an incline is a little different from driving a car with an automatic transmission up an incline. Unlike an automatic transmission, you can shift a manual transmission into a lower gear for higher RPMs, if needed. Step 1: Gather speed as you approach the incline.

Try to have enough forward momentum to get part way, or even all the way, up the hill before downshifting into a lower gear to maintain that power. Ideally, you should approach the incline in fourth or fifth gear, while accelerating the car at about 80 percent power. Step 2: Downshift if necessary. If you notice that your engine is struggling to stay at its current speed, shift into a lower gear. This should increase the RPMs as the engine cycles through the lower gear, adding power to your momentum.

On really steep hills, you might need to downshift through consecutively lower gears until you find one where the vehicle maintains the necessary momentum to crest the hill.

Step 3: Upshift to save on gas. If you notice your car gaining momentum on its uphill climb, shift to a higher gear for better fuel economy.

Step 4: Downshift in tight turns. You can also downshift if you come upon any sharp turns while climbing an incline. Climbing an incline usually does not present a problem unless you have to stop at some point in your ascent. While driving uphill in a vehicle with a manual transmission, it takes some skill to start and stop your car on an incline.

You can use some different options when stopping or starting on an incline, including using the handbrake, the heel-toe method or by switching from holding down the clutch to accelerating once the clutch grabs hold. Step 1: Starting on a hill.

When you are parked on a hill and need to get going again, follow these steps to start your vehicle and continue driving. With the handbrake on, press in the clutch pedal and shift into first gear. Give the vehicle some gas until it is at RPMs and let off the clutch pedal slightly until it begins to go into gear. Check to make sure the way is clear, using a signal if necessary, and slowly release the handbrake, while giving the vehicle more gas and letting off of the clutch pedal completely.

Keep in mind that the amount of gas you need to give the car depends in large part on the incline of the hill, with steeper inclines generally requiring you to give the vehicle more gas. Knowing how to negotiate hills in your vehicle can keep you safe and also prevent unnecessary wear and tear on your vehicle's engine and transmission. If you have problems with your vehicle's transmission or clutchyou can ask one of the certified mechanics at YourMechanic to fix your vehicle for you.

The most popular service booked by readers of this article is 75 Point Safety Inspection. Our certified mobile mechanics make house calls in over 2, U. Fast, free online quotes for your car repair.I replaced head gaskets, intake gaskets, thermostat, and flushed the radiator.

The fan kicks on when it is supposed to. Runs fine except when going up hills. One mechanic thinks maybe I have a cracked head so when I go up hills antifreeze is leaking in one of the cylinders and leaking out my exhaust, but that is just a theory. Another mechanic thinks I am just building up air pockets in the cooling system, maybe from a tiny hole in my reservoir.

But also just a theory. I am not at a loss of power and my car shimmies at an idle or low gear, but I was thinking that was the fuel filter needing replaced. Going up hill is always hard on a vehicle, so it has to work harder and therefore, it creates more heat. Maybe your radiator cap is not allowing the pressure to build up releasing the pressure to soonand so the engine coolant boils easier.

Coolant has to stay pressureized or else it will boil. So when a car is driven up to a higeher elevation, the air pressure drops, and the water boils at less then the degrees, like maybe degrees, or depending on the elevation, water could boil at degrees.

So, to compensate for that, car makers started putting on radiator caps which kept the pressure at or over the And it works, so long as the cap is in good condition, otherwise, the pressure leaks off, and the water starts boiling, especially at higher elevations.

So when you see a number on the cap and its says 15 or 16 or something like that, that is the pressure the cap keeps the water at. At 16 psi pressure, water boils at degrees. If the outside pressure is only 13 psi, water would boil at degrees.

So, a bad radiator cap can release pressure and cause the water to boil too soon, and therefore overheat. Your radiator might be partly stopped up. You might have to have it cored to get it cleaned out good. Another thing it can easily be is the impeller on your water pump slipping a little, or your belt slipping a little as well. You might can try washing it out to get the dirt and curd out of the radiator.WilMent diacritic. I received "Hybrid System Overheat" warning light on a 10 mile drive last night 45 degrees F.

I was 2 miles away from home so I drove slowly after I stopped for 15 minutes. When I got home and restarted the car, "Check Hybrid System" light is on. This morning the light was still there so I brought it to the dealers, hopefully nothing is seriously wrong. My baby only has 3k miles on it.

How to Drive Uphill

Well, at least its still under warranty. Let us know what they say. This is usually indicates a lack of coolant circulation in the Inverter coolant loop. Either the Inverter coolant pump has failed or there is air in the coolant loop and the pump has lost its priming fluid.

If you put your Prius in "Ready" mode In Park and look at the coolant reservoir, you should see turbulence if the coolant is flowing. WilMent likes this. I see, that doesn't sound too bad I guess. I hope they can fix it soon. I dropped it off at 7am, still no call at almost 2. Yikes, doesn't sound good. I am sure they will fix it up right though Any updates? It would be interesting to know the cause.

They took the front apart and found a dent on the radiator. Coolant leak, replacement part comes in Tuesday. Hopefully can get it back same day. For now, I am getting spoiled by the loaner PIP.

JMD likes this. Yes, they said there is no way to know if I got it with the damage or not. So they will just bill Toyota for defective parts.Send questions for Cecil Adams to: cecil straightdope. Your direct line to thousands of the smartest, hippest people on the planet, plus a few total dipsticks. Nobis bonorum patrioque ea qui, eu paulo mediocritatem qui.

Populo evertitur ut his, summo errem postea te his. Our newly refreshed styles inbrings the old vb3 to the new level, responsive and modern feel. It comes with 3 colors with or without sidebar, fixed sized or fluid. Default vbulletin 3 style made responsive also available in the pack. Purchase Our Style Pack Now. Remember Me? Straight Dope Message Board. FAQ Calendar. Short version: My Jeep Cherokee overheats, but only when it runs uphill for an extended period of time. I can run it on the level indefinitely, in degree heat, at 60 mph, with the a.

However, if I drive up from sea level to about 3, feet, the warning light comes on, and in response the motor shuts down. When I check the radiator the water is boiling and it is a couple of quarts low. Long version: I live in Panama. I bought my Jeep used inand there were no problems when I bought it. This problem first developed in February of last year. The car overheated while I was driving on the flat on a highway near Panama City. I brought it in to my mechanic, who has always been reliable.

He had to replace the head gasket, which had been burned out. A couple of weeks later I drove it to western Panama, a seven hour drive. At the six-hour point, there are several long hills. The car overheated and stalled out at the top of one of the hills.

car overheats when climbing hills

Having no way to contact a tow-service which would have taken many hoursonce the engine cooled enough I put in more water and drove to the next major town very slowly, refilling the boiling-over radiator at every gas station. The normally one-hour trip took five hours. At the garage there which I was assured by locals was one of the best in town, and they did seem to be competent they said there was a hairline crack in the head, and it would have to be replaced.

I flew back out a couple of weeks later, and they assured me the problem was fixed. But when I tested the car by driving into the nearby hills, once again it overheated at 3, ft. I took it back to the shop, then flew back to Panama City. But when I tried it, it overheated again. At that point, I decided that I better just get the car back to Panama City, fixed or no. With plenty of spare water, and by topping it up when it overheated, I was able to nurse it through the hills, and then had no problem when I reached the flat.

Back in Panama City, my own mechanic looked at again. He replaced the head gasket burned out once again and the thermostat again. But when I took it into the hills again, it overheated at 3, ft! At this point the head has been replaced, the head gasket fixed, the thermostat replaced, the radiator cleaned, the radiator cap replaced.

Hybrid System Overheat

The radiator has apparently not lost a drop of water in all this time. My next option is to take it to the dealers, but I am reluctant to go to them because they are crooks and have blatantly ripped me off in the past. There are no obvious signs of a leak.You need to have enough power to be able to accelerate a vehicle anywhere, especially up a hill where gravity is pulling against it.

If there are any faulty components in the vehicle, then this could make it harder for the engine to work hard enough to push the vehicle up the hill as you attempt to accelerate. There are so many reasons for why this could happen, so you need to pay attention to the various causes and possibilities for this.

The catalytic converter and the muffler serve as filters for the exhaust pipe. The muffler reduces the noise from the exhaust and the catalyst converter reduces the exhaust pollution. As much as the internal combustion chamber needs clean fuel, it also needs clean air to be mixed together with it to keep the engine powerful.

It is important to have a clean air filter that is not clogged so air can continue to pass through the filter and enter the chamber without the impurities in it. Otherwise, the engine will never be powerful enough to make it up a hill. The Camshaft Position Sensor calculates the camshaft speed and transmits this information to the electronic control module. That way, the engine control module can manage the ignition timing and fuel injection timing properly.

But if you were to have a faulty camshaft position sensor, then the timing on these two would be off. Having high cylinder compression is critical for giving the engine enough power to get the vehicle up a hill. If you start to have acceleration problems as you attempt to drive uphill, do not slam down on the gas pedal to try to get up the hill.

car overheats when climbing hills

The best thing you can do is to avoid driving on severe inclines only until you can get to an auto repair shop. But if you let these problems get any worse, then even driving on flat roads will eventually become a challenge too. This difficulty occurred last night going up a long incline happened last night when road was slick with rain. When I got home about 15 minutes after making the slow incline, I parked the car in the garage and it continued make a long groaning sound after the car ignition was turned off.

So I put The car back in drive and parked the car in its usual spot. Which of the 5 issues do you think I have with my Volkswagen Passat ? I rarely drive Since ai am elderly 74 years old I have about miles on the car since I purchased it new in Did you ever figure out your issue? A buddy is having the same problem. I have a Hyundai creta ix 25 or I have a Subaru Outback that has started overheating only when I try to go up into the mountains. It starts within a few miles of starting up a steep grade and cools down the instant you start down the mountain.

I have had no problems with regular driving conditions. The only pertinent info might be that it did have a coolant leak last summer and overheated then. Thanks for the help. An airbubble is never good because it means that the car cannot efficiently cool itself but in this cause it is even worse because it actually causes the fans to not come on.

Try this on the car once is has cooled off and you can touch the radiator: Park it on a slight incline or ramp, take the radiator cap off and start the car. Add some coolant once in a while and observe what it is doing. Rev the engine up and down some. When you do, add more coolant until the burping stops. Close off the radiator and try driving it again. Most cars have a burping valve on top of the engine but Subaru does not.

Subarus especially are kinda picky when they are refilled with coolant. If you had a leak, it may not have been fully filled. Often it is best park it on ramps, to take the top radiator hose off the radiator, leaving the other end onto the engine and stick a funnel into it to fill the engine up first. Then when done, very quickly, push it back onto the radiator. That tends to minimize air bubbles. I think your cooling system is showing it needs attention soon or you will start noticing a problem eventually in normal driving.

Here is my advice:. Replace the radiator cap and see if it gets any better. My Civic recently had air in the radiator and the overflow tank was overfilled.

CAR Overheating when AC is on. Car Engine and Symptoms of Over Heating Car Engine

Replacing the radiator cap solved the problem. It might have clogged passages even though coolant can still flow through it, keeping the coolant from being cooled adequately. If everything checks out, replace the radiator anyway. A partially clogged radiator can be really hard to diagnose. I agree with Whitey. Driving up mountain roads places higher demands on your cooling system. I suspect it may end up being your radiator not able to dissipate the heat as it used to.

They might find an air pocket and know how to bleed it properly. I think the problem is more likely to be a clogged radiator.All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.

Hottest Questions. Previously Viewed. Unanswered Questions. Car Stalling Problems. Wiki User First off what kind of car is it? Camaro z28 5 speed. When it is under load as the revs increase it looses power? Going uphill is always harder thatn going along the flat.

There could be many reasons why a car will lack power when going up a hill. The car could need a tune up or the transmission maybe having problems. Generally when we are going up hill because of the gravity pull, more power is needed.

So when traveling uphill more power is needed than downhill. Asked in Ford Crown Victoria What is causing a hesitation usually when the car is going up an incline? Mine hesitated going up hills when I bought.

Plugs and wires took care of the problem.

Car temperature going up when i'm climbing up a hill. Help!!?

You are running out of fuel. As you are going up the hill, the fuel is sloshing around causing sudden fuel starvation to the engine. Asked in Car Stalling Problems Why does my car lack power going up hills and steep climbs? Its a Ford, that's the problem. Because it is a Honda with a tiny motor.

Fuel Pump problem or clogged converter.

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