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© Keith Browning

Hyper Extended Thermostats


Ford Doctor

The 6.4L thermostats on the left show the hyper-extended bypass thermostat that causes the primary thermostat to oscillate resulting in thermal spikes throughout the cooling system. This is known to cause damage to radiators. The thermostats on the right are the new replacement parts installed in the housing. Compare the two to identify the hyper extended bypass thermostat. Do you see it?

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© Keith Browning

From the album:

Oil And Water

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