Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 1998 Honda Accord upper radiator hose drawn in 126K › 1998 Honda Accord upper radiator hose drawn in 126K
First – did you get an OEM cap? Aftermarket caps can cause problems.
The cap lets coolant and air out as the system heats up, and draws coolant back in as the system cools. If it does not let coolant back in as the system cools, you can get a relative vacuum that might collapse the hose.