I replaced it and obviously lost some coolant during the process. The line will be replaced on Saturday. "Acceptable" coolant loss? It was pointed out that this head loss is commonly compensated for in piping systems by pumps that do work on the fluid, ... (PWR) selected Reactor Coolant System (RCS) parameters that would be used are as follows. Joined: Feb 2, 2015 Member: #147773 M. Assuming it was checked, 1 year and 11k miles after that service it needed 1.5 litres of coolant, what is an acceptable amount of coolant loss? My mechanic recommended that I … If you smell something sweet when you turn the heater fans on, it may be a coolant leak at one of the heater cores, or simply the O-ring at the rear heater valve leaking. Ok, simple question - When doing a pressure test on your cooling system, how long should it hold pressure? However, the use of test kits to maintain a concentration near the minimum side of the acceptable range has never been acceptable nor recommended. Your vehicle’s coolant system helps to keep engine heat at recommended levels for your car’s optimum operation. New TSB 19-2172 released today pertaining to coolant loss and misfiring issues with the 2.0L EcoBoost engine. In discussion with my local Benz dealer about coolant, I was told that my 2010 C200 CGI should have the coolant changed every 2-3 yrs (not every 15yrs or … Usually the filler cap doesn't get opened for years on end. Issue: Some 2015-2018 Edge vehicles, 2015-2019 Fusion/MKZ vehicles built on or before 8-May-2019, 2015-2019 Escape vehicles built on or before 15-May-2019 and 2015-2019 MKC vehicles … Common trouble spots include heads, hoses, water pump and rear heater core. With Evans waterless coolant, the likelihood of coolant loss and the need for topping up are greatly reduced. Re: How much coolant loss is acceptable? Honest John suggests a few solutions for readers problems with disappearing coolant in his VW Passat. gonna change my water pump just for the fun of it, just wondering how much if any coolant loss can be expected, or if anyone has a good idea to recover it. I'm 99.9% sure coolant level was at full (cold) mark while doing walk around when picking up this truck new. Please contact Evans Tech Support at 1-888-990-2665 or tech@evanscooling.com. If the coolant system for the 04 WRX is the same as it is for the 06 Outbacks, a cup or two of coolant loss over 28k miles is normal. If no coolant loss is experienced, gradual Extender/SCA concentration increase is possible. compensate for coolant loss. — If changing from a conventional to an ELC product flush the system thoroughly first unless conversion fluid is used. The loss-of-coolant accident (LOCA) is one of the possible accidents for light water reactors (LWRs). Hers finally showed the leak this week. I have read in several posts that "some" or "small" coolant loss through through the water pump's weep hole is "normal". Hi all, When I first got my S, the top narrow tube that goes across the top of the engine had a slight leak. Reply. Radiator coolant, also known as antifreeze, actually raises the boiling point of the water, too, allowing it to carry more heat away from the engine. — Coolant components listed above do not reflect all components utilized in all 2nd generation ELC coolants manufactured. Look for coolant stains in the V of the engine, and around any coolant pipes. When using Evans Coolant in the engine cooling system these pressures can be decreased to maximize the system's flow and temperature control capabilities. Thread starter msggunny; Start date Mar 5, 2015; Forums. msggunny Well-known member. Coolant loss results, without obvious puddles signs. For the rest of the cooling system, it says 2 minutes. - 09/06/13 The older Chevy Vortec was known for failed intake manifold gaskets and heater hose attachment hardware failing. B only. '99 Eldo -what is the acceptable weekly fluid loss in surge tank per week - with moderate driving = < 300miles per week? An LOCA is caused by a break in the reactor coolant pressure boundary. I have been slo — Mixing ELC coolant formulations with conventional coolant will degrade ELC benefits. I topped it up and all has been fine however about two months ago I noticed that the coolant level was about two inches below the level it should be. Once the issue is confirmed, the engine will have to be replaced. Mar 26, 2017 at 10:52 AM #2 #2. Her new radiator is … 2015WhiteOR Well-Known Member. This allows the hot liquid coming from the engine to move through the series of tubes in the radiator, allowing the liquid to cool down as it moves along. ... also then advises the owner to “Have the cause of the coolant loss eliminated as soon as possible.” ... the idiot manual doesn't give you a list of acceptable … Look around for leaks if the gauge shows any pressure loss. If using the OAT red coolant then look for pink staining. 2013 Oxford White ST3 (Stage 4): (344whp/341tq) vdyno ... Update** Ford Dealership says there was a pinhole sized leak in the coolant line which was the source for loss of coolant. Ordered in May 2016, drove off the lot in September, 2016 Current milage is 14,979. I have been told it is a slow leak from the intake gasket. If you're running low, things can get steamy fast. Overconcentration can be avoided by test kit monitoring. Recently I noticed that coolant is leaking. thanks Lthompson, Mar 26, 2017 #1. That means cooler running. There was a small puddle of coolant under the truck when I purchased my 97 with 5.7 four years ago. – alephzero Sep 26 '15 at 18:17 Was the coolant pressure test done with a hot or cold engine? … Q I have a 2002 Olds Alero with the V6 engine. Slow coolant loss - advice please. Some coolant technologies can protect as low as pH 6.5, however, it is typically not good practice to allow a coolant to operate below a pH of 7.0. How to Establish an Acceptable Leak Rate Purpose: This Application Bulletin is to provide an overview of how to establish an acceptable leak rate. The radiator of any vehicle is considered as a pressurized system. Overflow Reservoir. After that time, flush the system (See How to flush an engine radiator) and replace the coolant with fresh antifreeze mixture. Technician B says that a change in temperature from the inlet to the outlet of a fixed orifice tube (FOT) is acceptable. From reading on this site, seems like some coolant loss is acceptable, but my mileage is pretty low and I don't live in a hot climate. Just fill up the tank to the maximum limit and keep an eye on the engine condition and the rate of coolant usage. Once a coolant has degraded, due to glycol breakdown and pH drop, engine metals are at risk for corrosion. Other sources say the gauge … Save Share. AN ACCEPTABLE LOSS-OF-COOLANT ACCIDENT EVALUATION MODEL APPLICATION FOR THE EMERGENCY CORE COOLING SYSTEM Ladies and Gentlemen: The purpose of this letter is to transmit the Carolina Power & Light (CP&L) Company report of a significant change to an acceptable Loss-of-Coolant Accident (LOCA) evaluation model (EM) Purpose of Leak Testing Parts • Confirm manufacturing process is performing to specification and making good parts Loss of the liquid can lead to the overheated condition but overheating can also contribute to the coolant loss. With loss of pressure, the liquid coolant will not be able to move through the system. Where is the Coolant? I asked this question a few months ago,still has the same coolant loss.I have a 305 in my 64 El Camino that uses about a cup of coolant every 1000 miles.This may seem minor,but it's going somwhere.The engine is a 90 305 factory roller block with older #416 305 heads.I picked up the dissasembled engine at cost from a local reptuable machine shop after a previous … Do not drain the system during summer and replace the mixture with water … But how much? Coolant loss is not normal, but could be a simple design flaw that can be fixed. Inspection of the engine compartment showed no tell-tale clue to the source of the leak but after removing the center plastic cover from beneath the car I could see minor moisture. Acceptable coolant loss? LR4/LR3/Discovery Gen4 - Technical Discussions. Be a simple design flaw that can be decreased to maximize the system 's flow temperature! 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