20 Most Recent 2003 Pontiac Montana - Page 3 Questions & Answers

Explain puttering ! never heard that one before , an I've been fixing automobiles for over thirty years ! An it's not a term GM uses . Misfire , surges or chuggles ,hesitation .What you should do is take it to a reputable ASE certified repair shop an have them do a diagnostic check with a factory or equal scan tool .

Turn Signal/Hazard Flasher Module Below the I/P, above the base of the steering column, left or right side of the steering column. Has Black , purple an lite blue wires going to it !

Look for it in the fuse panel either under the hood or on the right side of the steering wheel inside the car across from the brake pedal.

where the transmission mounts to the motor, 2003 pontiac montana starter location Bing images

Check for child saftey lock out switch on the drivers side you will see it near the other window controls .

Do the headlights work? Interior lights? Not enough information. Sounds like a dead battery. Will it jump start? Have you checked the fuses? Could be as simple as a corroded or loose battery connection.

Sludge in radiator is usually a head gasket or cracked head issue. Heating problems also occur and overheating is also common. Montanas have have a high head gasket failure.

• From inside the vehicle, remove the pull strap.

• Then remove the trim panel.

• Next, remove the water splash shield.

• Now you will be able to get to the latch to pull on the lever to unlatch the door.

Very simple. Put the car on ramps. Remove the the fittings on both ends along with any clamps and remove the hose. Caution, these fittings can be very tight. You may need a flare nut wrench or self tightening wrench to get them loose. Be very careful not to cross thread fittings when installing. The hoses go from the pump to the rack and pinion unit under the car.

The only hard part will be removing the exhaust crossover pipe. This piece must be removed in order to get to the thermostat housing. Other than that all you have to remove is the air cleaner box and pull the hose off of the housing. Getting to the bolts is a little tricky, but a hand do-it-yourselfer can usually find a way to get to them. I'd recommend finding a couple of long extensions once you get to that point

Usually on the frame rail on the uni-body constructed vehicles, same side as the fuel door, drivers side door!

I believe one is right next to the starter, front, just right of center when standing facing your engine compartment....down at about the same elevation from the ground as the bottom of the radiator. Can't remember any others, but I do think there is at least one more...good luck and be save...ohh and when you start working on this fusible link I've pointed out for you...take extra precaution to avoid the 12 volt cable connection on the battery that comes from the battery. I think I would disconnect the battery before starting...

possible fuse or headlight relay , bad wire places to start!

whole it can be done by yourself, my advice is to get a battery shop to do it as they have a unit that plugs into the vehicle wiring and maintains the ecm/CPU program and all the codes for radio and the like They will not fit the wrong polarity and generally have a good idea of what they are doing. The fitting of the battery is normally free with a new battery.

The battery in the 2003 Pontiac Montana is located in the engine compartment on the passenger's side just behind the headlight assembly. Changing the battery can be a little challenging because the Pontiac saw fit to bury it below several other parts in the van. The under-hood fuse box sits directly above the battery and a cross brace runs over the top of it as well. Dealing with both items is not complicated but does add time to the process. Read more here, cortesy of eHow.com: http://www.ehow.com/how_6131525_replace-battery-2003-pontiac-montana.html (How to Replace the Battery in 2003 Pontiac Montana eHow)

Under Hood right side of engine Under the relay and fuse center

Removal Procedure Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components. Caution: Batteries generate hydrogen gas, which is extremely flammable and may explode violently if ignited by a spark or a flame. Battery acid is extremely corrosive and causes severe personal injury if the acid comes into contact with the skin, and blindness if the acid comes into contact with the eyes. In order to avoid severe personal injury, use extreme caution when servicing the battery or battery-related components.

1. Remove and reposition the underhood electrical center. Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems.
2. Remove the front end sheet metal diagonal brace. Refer to Front End Sheet Metal Diagonal Brace Replacement - Right Side in Body Front End.
3. Remove the battery ground (negative) cable from the battery. Refer to Battery Negative Cable Disconnection and Connection .
4. Remove the battery positive cable from the battery.
5. 
6. Remove the battery hold down retainer.
Important: Do not tip the battery more than 40 degrees.
7. Remove the battery.
8. 
9. Remove the battery insulator from the battery.

CODE PO300 MULTIPLE ENGINE MISFIRE DETECTED CONDITIONS. CODE PO506 IDLE SPEED TOO LOW CONDITIONS.LOOKS LIKE THE IDLE SPEED CONTROL IS NOT WORKING.