Why does my Pontiac Grand Am keep overheating?

I gotta 1999 pontiac grand am se 3.4 it ran ok when I first got it then seripeteen belt broke overheated a lil had problems since.got belt fixed then had problems with the fans not wrking also so hooked them up direct an found out outta 2 fans one wrked.

What kind of car is the Pontiac Grand Am?

The Pontiac Grand Am is a mid-size size (and later compact) car produced by Pontiac. The 1999-2005 generation is the final generation of the Pontiac Grand Am. Why dose my car keep overheating?

Why does my car coolant keep running out?

Hopefully, your car coolant is going where it should be: through your engine! The purpose of your engine’s cooling system is to, well, keep your engine cool. So, hopefully your coolant is taking its job seriously. If your car coolant is headed somewhere else, then you’ve got a problem.

What to do if your car overheats after replacing water pump?

The engine doesn’t overheat and it seems like fluid is coming out of the radiator c If coolant has to be added more than once per year, there is a leak. To find the leak that exists in your case, and get the required repair estimated, please request an engine cooling system leak diagnostic and the…

When to go to the mechanic for a radiator flush?

If you do go to a mechanic for your radiator flush rather than doing it yourself, make sure the mechanic does a full cooling system inspection to find any leaks in the system that may need fixing. If you flush the radiator but ignore any leaks, your engine is likely to overheat again shortly after the flush.

What happens if water pump is blocked on radiator?

Overheating Effects : A clogged radiator would always lead to engine overheating. The water pump present is hardly able to circulate proper coolant inside the engine block and back to the radiator, because of blocked radiator tubes.

Can You flush a radiator with tap water?

You can flush a radiator with tap water, but it won’t be as effective as using a flush. The flush has corrosive properties that will actually get all of the old antifreeze, rust, and scale cleared out.

What happens when a radiator in a car overheats?

Consequences Of Your Radiator Overheating. If the engine overheats, the first thing that will happen is a gasoline engine will start to detonate. The engine will ping and start to lose power under load. Consequently, the combination of heat and pressure exceed the octane rating of the fuel.

Why does my Chevy 3.4 keep overheating?

This is not an awnser but i have had 7 chevys with the same problem. (that includes pontiac) the 3.4 and 3.1 have a disconnect from the temp switch to pcm or pcm to the relay.

How can I Stop my Car from over heating?

I used a circular wire brush attached to my drill to remove the corrosion from the back plate. Used the same brush to create a new bear metal spot on the fender and a self taping screw to reattach it. No more over heating from there on, Fans triggered and varied speed as they should.

Why does my Grand Am GT keep overheating?

I just fixed my daughter’s 2003 Grand Am GT. The problem is what looks like a relay mounted to the driver’s side fender wall. It’s located directly across from the air filter assembly. Pontiac has located this device there and all your major grounds join here.

The Pontiac Grand Am is a mid-size size (and later compact) car produced by Pontiac. The 1999-2005 generation is the final generation of the Pontiac Grand Am. Why dose my car keep overheating?

This is not an awnser but i have had 7 chevys with the same problem. (that includes pontiac) the 3.4 and 3.1 have a disconnect from the temp switch to pcm or pcm to the relay.

How to bypass the PassLock sensor on a 2002 Pontiac Grand Am?

This web page will guide you through the steps necessary to bypass the “Passlock Sensor” on a 2002 Pontiac Grand Am, and keep the “SECURITY” light off forever. The steps necessary are similar on the other models listed above. There are generally only minor differences in how to get the radio out to get to the wires.

Why does my car keep overheating in the middle of the night?

Possible causes: Engine coolant level may be very low. Engine’s drive belts may be broken or slipping. The electric cooling fan may not be coming on. The ignition timing may be set wrong. There may be a vacuum leak. The engine may have mechanical problems. The engine’s thermostat may be stuck closed. There may be a leak in the cooling system.

What causes a Jeep Cherokee engine to overheat?

Symptom: Engine quickly overheats. Engine runs fine but gets very hot shortly after you start it. This problem usually occurs after only five minutes or after traveling about a mile. You may or may not notice steam coming from the hood or smell coolant. Engine coolant level may be very low. The Fix: Refill the coolant to the proper level.

When do you Know Your Car engine is overheating?

The fact is, there are usually a few culprits to look into when your engine is running hot. If your engine is overheating shortly after you leave, or it heats up even on short trips, you should check the following possible causes and repair suggestions. Symptom: Engine quickly overheats.

Why does my Pontiac grandam keep overheating?

I have a 2003 Pontiac Grandam, last week all of a sudden it started overheating. Temperature gauge maxed out within a 5 minute drive. I let it cool down ran it a couple of miles at night with no problems. Tried it again the following morning still no problems. At noon it started overheating again.

Why does my car’s water pump keep overheating?

If you don’t see this the water pump may be faulty, a broken impeller perhaps. BE CAREFUL because as the coolant heats it will expand and flow out of the neck of the radiator. You only need to see the movement to prove that it is flowing. Switch off the engine as soon as you see the coolant flow in the neck of the radiator.

Why does my car keep overheating when I Turn on the fan?

There is a coolant temp sensor that sends the temp reading (actually a resistance value that changes with temp) to the ECU and at a programmed ‘temp’ setting the ECU operates the fan relay (s) which turn on the fans The number of relays it operates depends on the fan speed required and whether or not the A/C is operating.

What kind of car does Pontiac Montana have?

I have a 2005 Pontiac Montana (not SV6). This winter I have noticed more than previous winters….when you run the defroster you get air, but it never gets very warm. You can change the front to the floor and get lots of hot air, change the front to the A/C vents and get lots of hot air. There is hot air in the back for the passengers.

Why are the cooling fans not running on my Pontiac?

The stock engine comes with a plastic intake manifold gasket, which is prone to failure. It leaks coolant into the cylinders and causes inefficiency in the cooling system, leading to low coolant and overheating. You can replace this gasket with a metal one, the repair is a little involved but I managed with a Haynes manual. Good luck!

What’s the idle speed of a Pontiac Grand Am?

The car idles at between 1500 and 2500 RPMs and if you put it in drive and let off the brake, it’ll get up to about 40-45 mph on its own. I followed behind her on the way home and she was riding the brake practically the whole time. At first it happened every so often, put lately its been happening more and more frequently.

Why does my Grand Am engine rev high?

I have a 2003 Pontiac Grand Am 3.4 liter. Sometimes the engine starts revving high uncontrollably. It doesn’t happen all the time, but when it does happen, it does it sometimes when I start the car, or when i’m driving down the road, or when i’m sitting at a stop light.

Why is the starter not turning on my Pontiac Grand Am?

If you can hear the starter motor turning but the engine isn’t turning (look at the belt) then the starter may not be engaging (in your car I believe this means that you must replace the whole starter). You can remove and test your starter to confirm whether or not the solenoid is engaging the starter.

Why does my car’s cooling system keep overheating?

You have replaced a number of parts, most of the cooling system, some of them twice. The first thing that jumps out at me is the electric cooling fan (s). Either the fan (s) are bad or the sensor that controls them is. Usually those fans always have electric and the sensor acts as a ground when they engage.

What could be the knocking noise coming from the engine area?

The 1999-2005 generation is the final generation of the Pontiac Grand Am. What could be the knocking noise coming from the engine area? There is a knocking sound that started coming from my car a couple days ago.

What causes the knocking noise coming from the water pump?

It is probably from the water pump. It starts out dripping slowly as the seal wears from the play in bearing’s movement. Until the pump is really ready to go it only drips out when the engine is running. You have not given much to go on to reasonably ascertain what would cause the sound you mention.

Why does my car keep blowing hot air?

Not blowing hot air in cab could indicate faulty valve that opens to allow coolant to flow through heater radiator in cabin. A check that you could do is with a cold engine, remove the radiator cap and then start the engine and allow it to warm up. Observe the coolant in the neck of the radiator.

Why is my Jeep Cherokee overheating while driving?

Engine runs fine but gets very hot while driving. This problem usually occurs after moderate to extended periods of driving. You may or may not notice steam coming from the hood or smell coolant. Any of the above causes for overheating on short trips. The car is overloaded or being driven too hard. The Fix: Lighten the load and back off the gas.

When did the Pontiac Grand Am stop being made?

The Pontiac Grand Am is a mid-size car and later a compact car that was produced by Pontiac. The Grand Am had two separate three-year runs in the 1970s: from 1973 to 1975, and again from 1978 to 1980. It was based on the GM A platform. Production of the Grand Am was canceled in 1980 when it was replaced by the Pontiac 6000.

What kind of engine does the Pontiac Grand Am have?

The Grand Am shared the same front-wheel drive platform as the Buick Somerset (renamed Skylark in 1987) and the Oldsmobile Calais. Initially, the Grand Am was available in base or LE trim in coupes only. The 2.5 L Tech IV was standard, while a 3.0 L Buick V6 was optional.

What was the compression ratio of the Pontiac Grand Am?

Engines were also detuned to meet the 1975 emission regulations with the compression ratio dropping to a new low of 7.6 to 1 on some engines.

Why does my 1999 Grand Am not overheat?

Fans on my 1999 Grand Am four-cylinder car will not come on car is overheating help please Hi my name is Rodney i have 04 grand am 3.4 go to pfyc.com they have a capers hi speed fan switch its about $100 it’s comes with built in relays u can turn ur fans on manually and it won’t interfere with ur control module takes about 30ins to install

Why does my Pontiac Grand Prix keep overheating?

Pontiac has located this device there and all your major grounds join here. The mounting plate attached to it becomes corroded which interferes with the grounding signal from the computer to turn on the cooling fans. The bolt that held it in place was actually so rusty that the head of the bolt had broken off as I removed it.

Is the Pontiac Grand Am a registered trademark?

GENERAL MOTORS, GM, the GM Emblem, PONTIAC, the PONTIAC Emblem and the name GRAND AM are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. We reserve the right to make changes in the product after that time without further notice.

Why did my Pontiac Grand Am water pump start?

Mine (05 jeep liberty) didn’t over heat, I was in a McDd drive thru too and I saw steam rising from hood and then heard all of my cooling fluid rush into the ground. All of it. Then I was able to fill out back up and get it home and it didn’t keep it all out again.

What should I do if my water pump fails?

1 people found this helpful. water pump bearing failed.. the oil became soo hot; it too brokedown. in the heat, the bearings were ground up… agree with Tom, have the oil changed as well as the pump. ask your trusted mechanic to test and evaluate the engine for how extensive the damage went. hope for the best…

Why does my water pump start leaking out of the weep hole?

leaking from the weep hole is a warning sign that things (waterpump) is about to get worst. 3 people found this helpful. Why would my water pump start leaking out of the weep hole? Dude your bladder is full! 11 people found this helpful. Wow.

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