Temp gage reading high when driving after 5 mins.
Coolant level low but no visible leaking.
Dealershop stated found smaill leak at base of water pump,(red zone) replaced temp gage and water pump. Problem still exist.
Delaer is going to take off head to see if problem internal. Had one cylinder head already replaced in past.
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I assume you have checked the cooling system to ensure that first, that it is completely full of coolant (not just the overflow tank) and second that there are no leaks anywhere. Your description indicates either low coolant level and/or air locks in the cooling system. Only check coolant level when engine is cold. If it needs topping up, add coolant and then run engine at idle with heat control on full, until it reaches operating temperature, topping up as necessary. Allow cooling fans to cycle on and off a few times to ensure all air is purged from system. If coolant was low, then check regularly when engine is warm to see if you can find where the coolant is leaking. The places where the hoses connect to the metal pipes around the engine are the most likely points of leakage or a hose could have weakened and split.
If coolant level is OK and there are no leaks then it could mean a faulty water pump.
My guess would be a leaking intake or head gasket. Water in the cylinder(s) is shorting the spark plug until the temp comes up on the engine. The white smoke is the coolant being burnt off. check your coolant level it may be low.
High temp could be low coolant check your coolant level. Low oil-check for leaks, if no leaks then check for blue smoke out exhaust, if no blue smoke it could just be low. A vehicle will go through a quart of oil between oil changes, even a newer one.
are you sure the cooling fans are working? Is the coolant temp gauge telling the truth? have you lifted the hood and heard the coolant bubbling into the overflow? Or heard the tinging sound of a red hot engine? If he did a liquid test with the dye,and it changed colors it should have changed very fast, Another thing to think about if he was to take the fan belt off,and pull the thermostat housing off,and removed the thermostat,Now pour coolant into the thermostat hole to almost the top,Now start the car and see which side the bubbles come from,left or right,that will be the gasket that is leaking not both.
CHECK GAGES light (1) indicates a potential engine failure(low oil pressure, low coolant, coolant overheating) has occurred. · Check gages and shut down engine. Gages should read as follows: Oil pressure 5 to 10 psi (34 to 69 kPa) at idle; Water Temp gage below 230 degrees (110 C).
· Check engine oil level (Para 2-11) if OIL PRESS gage indicates low reading. Check coolant level (Para 2-11) if Water Temp gage indicates high reading. Notify Unit Maintenance if levels are low.
If CHECK ENGINE light (2) is on, check engine oil pressure gage (3) and water temperature gage (4). If both indicate normal, proceed with mission and then notify Unit Maintenance. If either one does not indicate normal, stop engine immediately and notify Unit Maintenance
Technical Information: When the engine overheats (goes above 220 to 230 degrees), the ECM (Engine Contro Module) will disable the AC (won't let the compressor engage). This is a safety feature of the EMS (Engine Management System) to reduce potential damage to the engine from an overheat condition. Check your coolant level in the radiator & reseviore -- Low coolant level can produce the symptom you describe -- if low, top them off. Inspect your radiator hoses/cooling system for any signs of leakage (crusty deposits of dried coolant). Wherever you find this, that's where it's leaking. If you don't find any signs of leakage, replace the thermostat (& gasket if required (as a precaution) anyway. When the engine overheats, both cooling fans should come ON HIGH! If they aren't/don't, something's wrong and you need to find the cause. Every two to three years the cooling system should be flushed and inspected to ensure proper operation/condition and system protection. Overheating can seriously damage the engine. $$$$. An ounce of prevention is worth a pound of cure.
Is it just the gauge or is the engine coolant temperature varying? Does the heater seem to vary in temperature when it is on. It could be a couple of different things. One could be a malfunctioning temp sending unit, it has lost its calibration. Two, your thermostat is cycling open and closed from a weak return spring, worn out. Make sure coolant level is correct and the mixture is 50/50. Let me know. Regards,
From what you have posted, it sounds like your coolant level is low. With engine cold, re-fill the system, then check carefully for leaks. One leak has been located you can take necessary steps to correct it. Generally the reason for your problem symptoms is that the coolant level has dropped below the level of the cylinder head. This can cause the head to overheat and warp, bloww a head gasket, or both! (both substantial $ to repair) DO NOT drive vehicle with this condition, till you have found and corrected the problem!!! Good Luck!!