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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKVII-Mk7 Golf family including Golf Wagon (~ 2015 +)

VW MKVII-Mk7 Golf family including Golf Wagon (~ 2015 +) Discussions area for the Mk7 (2015+) Golf and Golf Wagon TDIs based on the MQB (Modularer Querbaukasten) platform.

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Old January 16th, 2019, 04:42   #31
740GLE
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Added coolant again at 30K oil change for the Passat, only about 2K & 2 months after topping up to middle of the hash marks. This time I didn't get a warning but it was under the low has marks, we'll see how long this lasts.

May do phase 2 and water pump at the same time.
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Old January 16th, 2019, 07:56   #32
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Im nearing 60k so im planing on pulling covers to look at pump to see if its leaking before the powertrain warranty expires.
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Old March 14th, 2019, 17:59   #33
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Update.....
All winter long my car has been on the frost heater. It hasnt had a below 50* cold start all year till today at work. No frost heater and 38*. Started car and coolant light came on. Pop hood and bottle is Low Low. I checked the coolant this past Sunday when i checked oil and stuff like i do every weekend and at that time coolant was at the top of the safe range. I seem to remember last year all coolant light and coolant loss issues were during cold starts. Wonder what the connection is...
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Old March 15th, 2019, 04:37   #34
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you pop the TB cover and do a peak see yet?
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Old March 15th, 2019, 11:29   #35
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No i took everything around it off and decided i didnt see any evidence of a leak I wasnt going to dig further.
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Old June 20th, 2019, 08:02   #36
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reviving old thread.

2015 hatchback TDI. Bought it in Feb2019 with 66K km on it, just hit 78K km this morning.

Startup this morning flashed low coolant warning. Checked under hood and the overflow bottle was near empty.

Added about 500mL of distilled water to it to bring level up to minimum.

1st time i've checked the coolant in this car... sounds like I may need to keep an eye on it... 1st time among 7 VAG cars I've own/ owned that I had a coolant warning...

Is it G12 for a tdi?
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Old June 20th, 2019, 08:55   #37
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We've been seeing coolant loss on the 2015 as well. Not much, just a few hundred ml over a long period of time (six months to a year).

I often smell coolant when the engine is hot, but I can never find a leak. There's never any drips underneath or anything.

Just going to keep adding a cup of pre-mixed G13 coolant once or twice a year.
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Old June 20th, 2019, 09:00   #38
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Quote:
Originally Posted by petee_c View Post
Is it G12 for a tdi?
G13 is the newest stuff, if you have a bit of g12++ on hand it wouldn't hurt if a few cups found it way in the system in a pinch.
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Old June 20th, 2019, 09:25   #39
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Quote:
Originally Posted by 740GLE View Post
G13 is the newest stuff, if you have a bit of g12++ on hand it wouldn't hurt if a few cups found it way in the system in a pinch.

I have a little bit of g12 concentrate (bright pink) on hand... I will add a little bit of it next time it's low ...
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Old July 30th, 2019, 06:49   #40
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Quote:
Originally Posted by petee_c View Post
reviving old thread.

2015 hatchback TDI. Bought it in Feb2019 with 66K km on it, just hit 78K km this morning.
Coolant warning came back this weekend.... Car just turned 80K km on the odo...

I was away from home and added about 500-750mL of distilled water to bring the overflow up to between min/max...

I'm not thrilled with the fact that 500-750mL of coolant disappeared in a 5-6week period...

Would this be something covered under the canadian Dieselgate emissions warranty?
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Old July 30th, 2019, 15:27   #41
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Quote:
Originally Posted by petee_c View Post
Would this be something covered under the canadian Dieselgate emissions warranty?
No, I don't think so. Not unless it the coolant leak is related to a part of the emissions system such as the EGR cooler.

Parts Covered Under Extended Emissions Warranty

The emissions system warranty shall cover the following parts or
systems:

- The entire exhaust after treatment system, including the Diesel
Oxidation Catalyst, the Diesel Particulate Filter, the Selective
Catalytic Reduction converter, the dosing injector and other Diesel
Exhaust Fluid system components, the exhaust flap, and all sensors
and actuators;

- The entire fuel system, including fuel pumps, high pressure fuel
rail, fuel injectors, vibration damper, pressure control valve and all
sensors and actuators;

- The EGR system, including EGR valves, EGR cooler, EGR filter,
EGR temperature sensor, all related hoses and pipes, and all
sensors and actuators;

- The turbocharger, including the turbocharger damper; and

- The On-Board Diagnostic (OBD) system, including SCR DEF
quality sensor, and any malfunctions detected by the OBD systems
other than those related to the transmission.

Additionally, the engine long block warranty shall cover the engine
sub-assembly that consists of the assembled block, crankshaft, cylinder
head, camshaft, and valve train.

This warranty extension covers only the diagnosis and replacement of
the emissions-related components listed in this section.

The extended emissions warranty includes parts, labour and
applicable taxes, and shall not void or supersede any existing
warranty.
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Old July 31st, 2019, 12:12   #42
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Thx Mike,

I'm going to UV dye it and take a look around for a leak sometime in the next few weeks/months, I'll report back what I find...
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Old August 15th, 2019, 12:33   #43
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Originally Posted by AGOODHI View Post
Earlier this week, in the morning, a red triangle popped up on the dash. I was in a rush so I turned off the car and restarted and it never came back. While I was checking my oil level, I noticed the coolant reservoir level was below MIN. Note to self, top off coolant. Fast forward to this morning... started her up and red triangle appears. This time I wasn't in a rush, and saw a message about low coolant. I popped the hood and found almost no coolant in the reservoir. Borrowed a car, and went to the dealer to buy a $30 jug to top it off (mixed with water). I'll monitor how quick (if it even does) the level drops. Ultimately, I may take it in to get pressure tested since it should still be under warranty.
coolant level was just above the MIN mark yesterday. 9-months ago I topped it off. i looked around, but didn't see any signs of leaks around the water pump/belt area. hmmm, not sure if i should get it checked out.
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Old August 15th, 2019, 19:55   #44
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My wife just returned from a trip to Canada in her 2015 Golf. She said that her coolant was gone, reservoir empty, and she bought some apparently proper type at Walmart.
This really worries me. Is the water pump the culprit? Is there any service bulletin out on it? Is it covered under any warranty?
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Old August 16th, 2019, 04:00   #45
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Quote:
Originally Posted by Mass. Wine Guy View Post
My wife just returned from a trip to Canada in her 2015 Golf. She said that her coolant was gone, reservoir empty, and she bought some apparently proper type at Walmart.
This really worries me. Is the water pump the culprit? Is there any service bulletin out on it? Is it covered under any warranty?
most likely is if you see any leaks, it is under power train warranty
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