BLOW HEATER HOSE

[1982SDime]

I replaced my heater core in my truck then I also replaced rad cap on it too. Well on the weekend right before I go on holidays the heater hose craps out a brand new hose at that right the hose goes into the intake under the thermostat right above the w/p. Anyway I was wondering if the problem is that the old cap was a 15psi and the new is a 16psi. Could 1 psi really make that much pressure that it would blow I was also wondering if the thermostat didn't open to release the pressure build up.
My truck is a 82 s10 with a 3.4 in it if someone is wondering

[994X4Blazer]

in what way did it blow the hose??? a hole in it or just blow it off the connection??

[neo71665]

1 psi aint gonna make that big of a difference, that hose is prolly rated for way more than you would ever think. My bet is it was just its time to go.

[1982SDime]

in what way did it blow the hose??? a hole in it or just blow it off the connection??

it blew a hole in it at the hose clamp but what I don't understand is it was a brand new hose

[neo71665]

Overtightened hose clamp can cause weak spots in it.

[1982SDime]

Overtightened hose clamp can cause weak spots in it.

makes sense thanks neo

[T Man]

yup, overtightened clamp is just as bad as an undertightened