16 #
According to the Haynes repair manual for Chevy/GMC trucks 1988 thru 2000 the cap should be a 15 psi radiator cap.
Not knowing what vehicle, 15 psi is probably average.
Look on the radiator cap - there should be a psi rating stamped on there.
16 psi
On a 1998 Ford Expedition : The thread on cap on your engine coolant reservoir is the 16 PSI pressure cap / radiator cap
On a 2001 Ford Expedition : The thread on cap on your engine coolant reservoir is the ( 16 PSI ) pressue cap / radiator cap
On a 2003 Mercury Sable : The thread on cap on the engine coolant reservoir is the 16 PSI pressure cap / radiator cap
On a 2002 Mercury Sable : The thread on cap on your engine coolant reservoir is the 16 PSI pressure cap / radiator cap
It should be printed on the radiator cap. Most are around 16 psi.It should be printed on the radiator cap. Most are around 16 psi.
For a 350 Chevy engine, a radiator cap typically has a pressure rating of 13 to 16 PSI. Most commonly, a 15 PSI cap is used, as it balances adequate pressure for efficient cooling while preventing overheating. It's important to ensure the cap is in good condition to maintain proper system pressure and prevent coolant loss. Always refer to your vehicle’s specifications or service manual for the most accurate information.
On a 1998 Ford Expedition : The thread on cap on your engine coolant reservoir is the 16 PSI pressure cap / radiator cap
On a 1995 Ford Crown Victoria : The thread on cap on your engine coolant reservoir is the 16 PSI pressure cap / radiator cap