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Thread: 4L80e: no cooler flow
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04-29-2011 #1
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- Join Date
- Jul 2008
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- Strasbourg, France
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4L80e: no cooler flow
I installed my freshly rebuilt 4L80 in my car, but I saw that I have no flow flowing trough the cooler:
I removed the fitting (bottom front) and nothing comes out with the engine running.
I drove ~25 miles like that.
It is a 92 model with both cooler lines in the front. What could I have done wrong during the rebuikd?
I saw on the principle of operation that the lube comes from the TCC switch valve. The TCC is OK: it did work when I drove.
where does the cooled lube then go on a 92 model (the principle of operation manual is for rear return fitting models) Is there a risk I broke something?
I replaced the pressure solenoid during the rebuikd; I saw yesterday that there a 2 models: one with blocked tip and a second one with a filter on the tip. Is it possible to have these symptoms if I used the one with a blocked tip?
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