Coolant Smell
07-01-18, 11:34 AM
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Coolant Smell
Hey guys, New to the forum. I've received my 92 FD from a japanese importer last november. Since then I've noticed a coolant smell coming from under the hood (definitely not from exhaust). I figured maybe the guys in japan topped the car off/replaced coolant and a bit spilled on the engine and will eventually burn off. Its been quite a while and the smell is still consistent. No coolant drip, No bubbling from hoses that i can see. At idle , car bounces between 80* C and 95* C , no signs of overheating. Car has stock AST and overflow res. , nipples on the AST tank all look fine. I did notice, that even when the car is cold/off, the overflow res is way past the "F" on the "dipstick" . Seems like the car isnt creating a vacuum to pull the coolant back in when cold? Anything in particular i should look out for? Although there are no signs of overheating i want to be sure car is 100% for 7's Day. I guess next step would be to pick up a coolant pressure tester to search for leaks
edit- forgot to mention, when car is cold, coolant level in filler neck is right below the cap
edit- forgot to mention, when car is cold, coolant level in filler neck is right below the cap
Last edited by SonsOfAnxiety; 07-01-18 at 11:43 AM.
07-01-18, 11:07 PM
#2
Get a fresh coolant cap and test with a pressure tester to ensure it cracks and holds pressure over time. Siphon coolant out of the overflow until you get in back to the F full mark. Get a turkey blaster and attach a length of coolant hose to it for siphoning. Avoid the pressure caps with red pressure relief levers on top as they’re notorious for leaking pressure. You could have an air pocket in your system, so run the car with a yellow Lisle funnel and turn your heater on full blast to get all air pockets out of the system. Let me know if any of this helps.
07-02-18, 03:01 PM
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Get a fresh coolant cap and test with a pressure tester to ensure it cracks and holds pressure over time. Siphon coolant out of the overflow until you get in back to the F full mark. Get a turkey blaster and attach a length of coolant hose to it for siphoning. Avoid the pressure caps with red pressure relief levers on top as they’re notorious for leaking pressure. You could have an air pocket in your system, so run the car with a yellow Lisle funnel and turn your heater on full blast to get all air pockets out of the system. Let me know if any of this helps.
Last edited by SonsOfAnxiety; 07-02-18 at 03:23 PM.
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