Operation CHARM
: Car repair manuals for everyone.
Hosted by
mcallihan.com
Home
>>
Chevy Truck
>>
1990
>>
Suburban 1/2 Ton 2WD V8-454 7.4L
>>
Repair and Diagnosis
>>
Engine, Cooling and Exhaust
>>
Cooling System
>>
Thermostat
>>
Specifications
Thermostat: Specifications
Heavy Duty Chassis, Opening Temperature
Thermostat Opening Temperature
195 Degrees Fahrenheit (F)