Knowledge Base:  

Knowledge Base : cooler
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Does this part stop the water/coolant flow in the EGR cooler.
No, it doesn't. If the cooler is leaking internally, it would have to be changed.
If I have blocked off the EGR or Cooler flow pipe on an ISX, will this product work?
Yes it will but, the ECM will be looking at EGR and other items functioning in the system. If the ECM doesn't see what it likes, it could cause the engine to loose a little power. System needs to in o