2007-02-01 03:46:52 · 5 answers · asked by Kelly 2 in Cars & Transportation ➔ Maintenance & Repairs
Not in the cap but some have them just under it. The rad cap has a pressure release valve and a vacuum valve to allow excessive pressure to be released and the vacuum valve to refill the rad from the overflow bottle when pressure is low.
2007-02-01 03:53:35 · answer #1 · answered by Lab 7 · 0⤊ 1⤋
No.Radiator cap holds pressure in coolant system around 14 lbs
Thermostat"s Job is to control flow of coolant. It is to keep temp
in the--eng & Head at I95 degree Fh.
I will not try to impress you with my years as Mechanic/ I am past
that, Others will be quick to say you can buy ,more or less lb.
press cap& Thermostat with more or less heat range/I"ll stay with
my statement
2007-02-01 12:07:49 · answer #2 · answered by section hand 6 · 1⤊ 0⤋
THE OLDER G.M CARS HAD A NECK WITH THE THERMOSTAT UNDER THE RADIATOR CAP
2007-02-01 12:11:13 · answer #3 · answered by blackbutton100 4 · 0⤊ 1⤋
none at all. it would be the dumbest design
2007-02-01 11:51:40 · answer #4 · answered by LEXUSRY 5 · 1⤊ 0⤋
No my friend they sure do not.
2007-02-01 12:00:23 · answer #5 · answered by parkmistyred 4 · 1⤊ 0⤋