![]() ![]() I called the dealer and confirmed the OFHG was replaced in February 2017, but there is no 2 year / unlimited mile warranty on repairs that are done under warranty.which I think is really asinine.Īnyways, I pulled off the housing and both gaskets still look brand new. I purchased the vehicle preowned at a dealer last October it's a 2013 that was originally sold in October 2013, but only has 37k miles, so it's out of warranty only due to age. Please tell us how you acquired this vehicle and it's age/warranty status. I suppose I should pull the OFH off and check the OFHG just to be safe, though. If that was replaced, I'm sure the OFHG was replaced as well.Ĭould it be oil that was left in the system from before when the gaskets were replaced? I have no idea where a quart of oil would cross over into the coolant system other than at the OFH/OCH. ![]() It's pliable, not stiff, not flat, and has all of the extra tab-like things around the gasket that are on the improved part number. I pulled off the oil cooler housing and the gasket looks brand new.I'm thinking it was replaced sometime before I purchased the car last year. I drained the oil to change it, and to minimize spillage when I pulled the oil cooler housing, and the oil had no coolant (wasn't milky/brown/frothy, was the color it should be with 3,000 miles of use). Here's a picture of the oil floating on top of the coolant in a paint mixing cup: Beneath the oil was clean greenish-blue coolant. The car only has 37k miles, and after siphoning the expansion tank's contents, there was about a quart of oil floating at the top. How many miles are on the car? The coolant is supposed to be lifetime/100k miles, but a brown color means it should be flushed.ĭo note the TIS procedure is only drain and fill, so do ask dealer/indy to connect to flush machine to get rid of rust and stuff.īTW, F30 OFHG needs intake manifold removal, so my preference would be not to touch OFHG if no leak. To OP, F30 coolant level sensor is embedded inside the expansion tank, so the whole tank needs to be replaced if sensor is busted. Since the gaskets will be here tomorrow, I'm going to flush the coolant, change the oil, and replace both gaskets on Saturday morning. I know when the OFHG on my E92 went out, the housing itself was leaking badly - is it possible for the gasket to be bad and only allow oil to cross into the coolant, without an external leak? I can't find any cases of the OFHG going bad in this fashion (no external leak), but with the car only having 37k miles in 5 years, I'm not sure where else the oil may be crossing over into the coolant system. I was thinking it may be the OFHG so I preemptively ordered both the OFHG and oil cooler gaskets yesterday, but there is no seepage or leakage anywhere on the oil filter housing. ![]() If not, does anyone know how the F30 measures coolant level? This is why I'm wondering if there is a coolant level sensor similar to the E90 that may be faulty. After adding to the "max" level, the car still said the coolant was low. I did run the bleeding procedure after adding into the expansion tank, but it was only at the "min" level when the message popped up. I may dye it in the morning and see if I can find a leak before doing the coolant flush this weekend. I've pulled the belly plan and looked upward into the engine bay with the car off and with the car running, and can't find any hint of wetness from a coolant leak. look it up.īrown coolant is a sign of corrosion or Oil Mixing with Coolant somewhere. 2) Coolant Low means that after pouring in Coolant first time you should have Purged the coolant system. ![]()
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