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Originally Posted by LarryBible
dtf,
psfred,
I too believe in thorough diagnosis, although I sometimes get antsie and dive in. In the case of the 124 evaporator, it has such a failure history that it is all too easy to make a quick scan and then just jump on the common failure. Since I was not going to tackle the evaporator job for awhile, I might have examined a little closer given the size of the job.
There are some folks here that feel that 124 evap failure is 100% inevitable, I personally think that not 100% of them will fail. I also find it hard to believe that I will be lucky enough not to be one of the people that dodge the bullet.
Have a great day,
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Larry,
It's possible that 124s don't have a high failure rate. As Peter indicated the dye runs down the tubing and appears to be coming out of the evap case. Maybe most of the 124 evaps have been changed because of this mis diagnosis. Years ago many heater cores were changed in the 116 chassis, because of coolant on the floor on driver's side. The fact is the hose clamps on the inlet hose would relax and a stream of coolant would pee through the grommet in the fire wall. All that was needed was to remove wiper grills and tighten clamps.
Peter