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After noticing fluctuations in water and oil temps, from normal to cooler, decided to let my fingers do the walking.
It appears that the EGR thermostat on CASA engine ( not on earlier v6, eg. BKS ) could well be the culprit.
Hypothetically speaking, does anyone know if the EGR cooler is not in circuit, can the included thermostat
be deleted as well as the existing circulation pump. This would allow the thermostat housing of the earlier engine to be used.
It is all a matter of plumbing and where the water goes. Just wondering.
Greg
P.M. May. 2025
With the EGR not in circuit in a CASA/CATA, the cooler thermostat can be removed along with the circulation pump and also the engine thermostat housing can be replaced with that from a BKS (for example) engine. It is just a simple matter of plumbing. No more temperature fluctuations.
It appears that the EGR thermostat on CASA engine ( not on earlier v6, eg. BKS ) could well be the culprit.
Hypothetically speaking, does anyone know if the EGR cooler is not in circuit, can the included thermostat
be deleted as well as the existing circulation pump. This would allow the thermostat housing of the earlier engine to be used.
It is all a matter of plumbing and where the water goes. Just wondering.
Greg
P.M. May. 2025
With the EGR not in circuit in a CASA/CATA, the cooler thermostat can be removed along with the circulation pump and also the engine thermostat housing can be replaced with that from a BKS (for example) engine. It is just a simple matter of plumbing. No more temperature fluctuations.