I have Chevrolet Cavalier 1997. In enero this had leak of coolant and the thermostat took off to him and the changed the cover of package, but same continue the problem. After, one changed hoses to him, but continue...and after the radiator changed to him, but continue... the mechanic said to me that the radiator badly was made and that the cells badly were placed.
For months four the acr was well and today again leak coolant.....
I don´t know that to do?
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Re: leak of coolant
I've found two common leak areas in these cars if it has the 2.2 engine. 1. The intake gasket leaks out the rear driver side and 2. The head gasket is most likely the culprit on a car of that age. Hope this helps you. Thanks Dan
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How about more info.
The water pump is almost NEVER the issue unless it.
1) Leaks and leads to loss of coolant
2) The impeller has broken off
3) Someone has installed the wrong pump.
When does it happen,how quickly,is the radiator fan working,are the radiator external surfaces clean and is airflow unobstructed. Is the coolant a proper 50/50 mix. When starting with a cold engine and the radiator cap off are there bubbles in coolant. Did this happen suddenly or over time.
Water pump. The impeller can come loose from the shaft and not circulate enough coolant. These can throw you off, because when you remove the pump the impeller will be tight against the shaft. It is when they warm up they begin to slip. If the heater core is not leaking don't bypass it.
Most common cause is lack of coolant. Check your coolant level in both the overflow tank and the radiator itself. IMPORTANT: NEVER OPEN A RADIATOR CAP WHEN THE CAR IS STILL WARM!
The radiator cap is under pressure and opening while the car is warm can lead to getting sprayed with hot coolant. If the coolant levels are fine, the next likely problem is a bad thermostat.
Fig. 1: The thermostat is located in the lower radiator hose
on the 2.2L engine
Fig. 2: Remove the two retaining bolts for on the housing
Fig. 3: Separate the housing halves to access the thermostat
Fig. 4: Pull the thermostat out to remove it from the housing
Fig. 5: The thermostat has an O-ring which goes around the
Fig. 6: Thoroughly clean the mating surfaces of the
thermostat housing When adding coolant, it is important that you use GM Goodwrench
DEX-COOL® (orange colored, silicate free) coolant meeting GM
specifications. On these vehicles, if silicated coolant is added to the
system, premature engine, heater core or radiator corrosion may result.
In addition, the engine coolant will require change sooner; at 30,000
miles or 24 months.
Disconnect the negative battery cable.
Properly drain and recover the coolant until the level is below
Unfasten the coolant outlet-to-inlet manifold attaching bolt and
nut, then remove the outlet.
Remove the thermostat. Clean the inlet manifold and outlet mating
Install a new O-ring onto the thermostat
Place the thermostat in the inlet manifold.
Attach the coolant outlet to the inlet manifold, using the bolt
and nut. Tighten to 89 inch lbs. (10 Nm).
Refill the engine cooling system.
Connect the negative battery cable, then start the engine and
check for coolant leaks.
Hope this helped (remember comment and rated this).
i think you got a head gasket leak,,,if its buring coolant the only thing that will burn it is a leaking head gasket,,its probably leaking into the cylinder and burning it and leaking externally where you see coolant on the tranny,,,replace the head gasket,,,
1. Check coolant level to make sure that is right.
2. Check thermostat to make sure the one in the car now is not stuck shut.
3. See if antifreese is leaking from the water pump which is a sign that it is failing?
4. Make sure radiator cap seals correctly on radiator.