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.
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 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.
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 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.
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.
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?
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.
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.
How often should you flush your Radiator if your car is overheating?
If your car has more than 50,000 miles on it, your radiator may begin to get gummed up. You can avoid this and other problems associated with old coolant by flushing your radiator once a year. There’s nothing good about an overheating problem. If your engine is running hot you should try to fix the problem as quickly as possible.
When to close the radiator thermostat when not running?
The thermostat should be closed when the engine is cold and not running. Regulation of water by the thermostat prevents engine hot spots. Once the optimal temperature has been reached, the coolant water will be let into the radiator for energy dissipation.
Why is the coolant in the neck of the radiator?
Observe the coolant in the neck of the radiator. After a while when the engine warms the thermostat will open and you should see the coolant start to “flow” (or swirl) in the neck of the radiator indicating that it is being pumped through the system. If you don’t see this the water pump may be faulty, a broken impeller perhaps.
What causes a Dodge Grand Caravan to overheat?
Find the most common driver-reported problems that are to blame when a Dodge Grand Caravan overheats. Loose retaining nut on engine cooling module fa… A loosening (or loss) of the nut retaining the engine cooling module fan can cause a vibration. if not addressed…
The thermostat should be closed when the engine is cold and not running. Regulation of water by the thermostat prevents engine hot spots. Once the optimal temperature has been reached, the coolant water will be let into the radiator for energy dissipation.
Observe the coolant in the neck of the radiator. After a while when the engine warms the thermostat will open and you should see the coolant start to “flow” (or swirl) in the neck of the radiator indicating that it is being pumped through the system. If you don’t see this the water pump may be faulty, a broken impeller perhaps.
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 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.
Why does dose my car keep overheating?
If you turn on the AC yhe fans will run and if you unplug the temp switch the fans will run but you will have hard shifting in the trans because it gets info from the temp switch. I belive the problem is in the pcm not the harness as so many cars have that same issue.
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.
What was the problem with my Pontiac Grand Prix heater?
Similar Problems with 2007 Pontiac Grand Prix Heater / AC. This past summer the A/C worked but sporadically it would act like the blower was not working and shut off then come back on when it was 113 degrees outside. Then this fall it acted like no heat when I first tried the heater.
Why does my Pontiac Grand Prix fan not turn on?
My 2006 Grand Prix started giving me some problems last winter. It would blow air, but not get very hot. I let it go because I didn’t want to deal with it. This summer on a hot day, the fan wouldn’t even turn on for most of the day. Finally, it started blowing nice cold air. This happened sparatically throughout the summer.
What’s the problem with my 97 Grand Prix GT?
I have an issue with the AC/heater fan that seems a little different from the other threads here. I have a 97 Grand Prix GT without climate control. No matter what settings I put the fan on, I get nothing more than just a trickle of air out of all the vents (defog, head, feet).
What does the thermostat do on a 2003 Pontiac Grand Prix?
The 2003 Pontiac Grand prix uses a mechanical thermostat designed to increase the flow of radiator coolant through the engine when the temperature of the coolant surpasses 180 degrees. The thermostat prevents the engine from overheating.
Where to drain coolant from Grand Prix radiator?
Drain approximately 2 gallons of coolant into a clean drainage pan from the petcock located on the bottom of the radiator. You will reuse the coolant. Follow the upper radiator hose from the radiator on the Grand Prix to the intake manifold, where the hose connects to the water outlet housing. The thermostat rests inside the water outlet housing.
Why does my Pontiac Grand Prix make a whining noise?
If it changes with the engine, it’s most likely going to be an accessory bolted to the engine (or the radio, shut it off and see if it stops). If it stay constant as you rev the engine it’s going to be something else. A whining sound when accelerating is almost always caused by a bad accessory attached to your Grand Prix’s engine.
What are the most common problems with a Pontiac Grand Prix?
One of the most common problems that occur with the Pontiac Grand Prix and other GM vehicles is a burnt out window motor or a broken regulator. The driver’s window gets the most use and is usually the first to fail.
What kind of supercharger does a Pontiac Grand Prix have?
Pontiac G rand Prix GTP Eaton M90 Supercharger Oil Change Guide The GTP trim level of the Pontiac Grand Prix is equipped with the L67 version of the GM 3800 Series II engine with an Eaton M90 supercharger.
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.
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.
How do you change the thermostat on a Mazda 6?
Disconnect the battery ground cable. Drain the [engine coolant] (https://itstillruns.com/what-is-engine-coolant-13579658.html) in to a suitable container. Remove the bolts that hold the water pump feed pipe to the thermostat housing. Take out the water pump feed pipe. Lift out the thermostat. Clean the thermostat sealing surfaces completely.
How to install a new water pump thermostat?
Install the new thermostat. Connect the water pump feed pipe to the thermostat. Set the bolt in place that holds the water pump feed pipe on the thermostat housing. Torque the pipe bolt to 89 inch pounds. Refill the cooling system, recycling the coolant. Add more coolant as needed. Reconnect the negative battery cable.
What causes the head gasket on a Grand Am to fail?
While there are many reasons that your Grand Am’s head gasket can fail, the most common ones have to do with the cooling system causing the engine to overheat. Low Engine Coolant – If there is not enough coolant to properly cool the engine, it’ll overheat and blow the head gasket.
Why does my Pontiac 3400 engine still run?
Checking the condition of the engine can lead a person to discovering the early signs of gasket failing. If the coolant level is constantly low in the coolant reservoir, it is a sign of an internal leak. Looking at the area between the cylinder banks may reveal whether or not the intake gasket is still sound.
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.