Chlorine cylinder leak repair patch
The seams where the core is mated to the end tanks is another place where leaks frequently develop, especially on aluminum radiators with plastic end tanks.
A failing engine temp switch (if it signals cold 45C engine mistakenly) will cause the ICU to hold idle at 950 RPM.
The intake manifold gaskets on these engines are plastic and often fail at 50,000 to 80,000 miles.
One fix is to attach a grounding strap on the heater core.Internal leaks such as these can be diagnosed by pressure testing the cooling system or using a block checker.Over time, the plugs can corrode from the inside and leak, causing the engine to lose coolant and overheat.To replace a leaky freeze plug, use a hammer and drift to knock out the old plug.It is also a good idea to replace the original hose clamps, especially if they are the ring type.Bosch does not recommend the use of any thread lubricant with their plugs in most cases.BAD, BAD, very BAD, NO good!The fan is behind the grill, in front of the AC korg pa 80 service manual condensor.
If the coolant reservoir is cracked or leaking, the system may lose coolant every time the engine heats.
7.1.7: Oxygen Sensor info (by Don Eilenberger).IF you experience no bad-running problems ever.The labor to replace a heater core can often run 8 to 10 hours or more!Check the fan clutch because a weak clutch can cause the engine to overheat.When the car plants vs aliens full version warms up the O2 sensor comes on line, so the Motronic can compensate.As the coolant level drops, continue to add coolant until the system takes no more.Let it cure overnight.