How do you drain coolant from 1995 olds cutlas 3100.

GM 3100 3400 3500 Engine Coolant Temp Sensor Replacement

The coil and mode? what is a mode?

I gotta say try replacing the thermastadt


Thanks, Terry

I have the same problem few days ago, and still didn't find any solution. Can any one please help?????

could be a fault with the fuel pump. it may be wearing out. check the fuel pressure at delivery. a blocked filter can also do this as its being surged for more fuel not the normal filter this one is on the pump it has larger holes and if you have sludge in the tank this can stop the fuel delivery. . for vacuum leaks spray some carb cleaner around the air lines any change in the engine usually indicates an air leak. also the fuel pressure valve these can all lower or stop fuel pressure.

Change the oil,and the spark plugs,and see what happens,the cold fire plugs(old ones)are most likely the only problem.

Do you see coolant on the ground or is the coolant just disappearing? If you see coolant dripping onto the ground it is an easy find. Open the hood and look in the general area of the leak. follow it up to the starting point. Us a mirror and flash light to look into areas you can not see. Always start at the lowest part and move up until you do not see wet. Use water as coolant will get expensive till fixed. If your coolant is disappearing check your engine oil / dipstick see if the oil is gaining the coolant. If so, stop / do not drive it no where no how, have it towed to a repair shop. If it is running out the tail pipe, is ok to drive but needs repair quickly.

Usually they will make a lot of noise and/or leak like a sieve! If not, and you are having cooling issues, I would look at other components first.

REMOVAL & INSTALLATION


CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or inPuddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.
2.2L Engine

1. Disconnect the negative battery cable.
2. Properly drain the engine coolant into a suitable container.
3. Remove the serpentine drive belt, as outlined in of this repair guide.
4. Unfasten the water pump pulley bolts, then remove the pulley.
5. Remove the alternator and side bracket.
6. Disconnect the water pump hoses.
7. Unfasten the water pump retaining bolts, then remove the water pump from the vehicle. Remove and discard the gasket. Thoroughly clean all gasket mating surfaces.

To install:

1. Position a new water pump gasket, then install the water pump. Tighten the attaching bolts to 18 ft. lbs. (25 Nm).
2. Install the water pump pulley and secure with the retaining bolts. Tighten the bolts to 22 ft. lbs. (30 Nm).
3. Attach the water pump hoses.
4. Install the alternator bracket and the alternator.
5. Install the serpentine drive belt.
6. Properly refill the engine cooling system using the correct type and amount of coolant.
7. Connect the negative battery cable.

yes