Buy Dha 18pc Car Cooling System Radiator Pressure Tester Kit Coolant Not wanting to spend $100 on some test equipment i'd use once, i mcgyvered up a diy pressure tester for my 2005 passat tdi. The first time the tech pressurize the system to 19 psi and the pressure dropped about 5 psi over about 15 20 mins. the second time it lost about 4 psi over about 10 15 mins at the same 19 psi pressure. the third time the tech pressurized it to 15 psi and after about 10 15 mins it was down about 3 psi.
Diy Volkswagen Passat Cooling System Pressure Tester Youtube 1044 posts · joined 2011. #2 · feb 24, 2015. you can make a t connection on the coolant return port (where the small hose is) and apply pressure that way. over 15 psi the vent valve on the cap will discharge the excess towards the ground. check the info base for the diy on bleeding the system the correct way. like. I think you need to pressure test the system in case there is a small leak somewhere, and perhaps remove the spark plugs after a longer drive to see if coolant enters the cylinders. even so your coolant loss may not be obvious and may require equipment you may not have (leakdown tester, hc sniffer, cooling system pressure gauge adapter). Step 12: step 12: clamp it on. to prevent loss of pressure place two small c clamps on either side or one big c clamp to hold it in place. diy coolant system pressure leak tester: i made this tool because i had a leak in my cooling system. i went to advanced discount auto parts to use their tool "loan" program to find out that they charge $212. Step 13: attach the gauge. the tire gauge will attach to the other shorter piece of fuel line hose. clamp with small hose clamps. you have now finished your radiator pressure tester. it should look like the photo in step 1. attach the stopper to the neck of the radiator. see step 11.
Comments are closed.