1h0121407 Used Expansion Tank Coolant Radiator Expansion Tank Bo After changing thermostat and purging to take out air pockets i still had issues with the boiling out and no coolant flow to lower radiator. this was the las. I've been having an ongoing issue with the coolant bubbling boiling in the expansion tank in my mk4 gti. i can hear it quite clearly after switching car off after about 30 minutes of driving. anything less than that and it doesn't seems to happen. things i've done: *flushed heater core then entire flush. *thermostat changed.
Volkswagen Golf Expansion Tank Boiling Lower Radiator H If that were the case, you would blow a hose as soon as the coolant got hot. you also could have a leaking hose on the heater core, but you usually would smell coolant coming out the vents. if you have a leaking heater core you often can check it by turning up the defroster full blast and looking for fog coming out the defroster vents. Expansion tank reservoir coolant hose i have some experience with this particular hose. my vehicle is a 2002 jetta bora mkiv alh 5 speed, wagon, now about 230k miles on it. several years back, it was spewing hot coolant (mist) at the "pipe" connection. 1.8t 2.0t ea888 gen3 & evo4 silicone coolant return hose. replace the mushy rubber hose between the expansion tank and turbocharger with our silicone upgrade. brand: es#: 4500530. mfg#: 043365la01. qty: availability: ships on aug 28, 2024. Overheating is the most common symptom of a failing thermostat. due to corrosion or aging, your car’s thermostat can get stuck in a closed position. if this happens, the thermostat will not let the coolant reach the radiator, and, as mentioned above, the engine will overheat, causing severe damage. one of the lesser known issues is the polar.
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