Z71Heat
New Member
On the 5.3 motor, how many quarts/gallons does the system hold? I want to drain and refill it because there is a sale on coolant for 6.99 a gallon!
Dex Cool/ Radiator Refill?
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SSport
Full Access Member
When I replaced the radiator in my 5.7 I just kept filling it until it looked full. I believe it took around 2 containers.
Z71Heat
New Member
on the 5.7 its an "open" system. You can actually see how much is needed. On the 5.3 and 6.0 its a "sealed" system, so only the tank is visible. There is NO Radiator Cap, which SUCKS. Ill figure it out, I was just too lazy to search in my service manual, I thought one of you guys would know off the top of your head. Also, I have heard that certain stores sell a "coolant tester" similar to a pool water tester. Any of you guys heard anything like that??
SSport
Full Access Member
Interesting....I did not know this. Well, I guess that makes your job a bit more difficult than mine was....lol
And yes, they do sell coolant testers....it's very similar to the dip stick type pool testers. You could probably get it from any auto parts store I would imagine.
And yes, they do sell coolant testers....it's very similar to the dip stick type pool testers. You could probably get it from any auto parts store I would imagine.
I can't remember what I did, I think I put a gallon of Dex with distilled water and topped off with dex in the tank. I think a touch more than 2 gallons of water. I read in a manual I THINK to use distilled water with the dex and I don't have a leak/bad water pump and temp is fine with 128,000+ miles on the clock.
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