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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 February 21st, 2019, 14:44   #1
Toyomike
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Default EA288 Thermostat Replacement

Just about to roll 100K, I have found numerous timing belt kits. But I canít seem to find anything on thermostat replacement. I have always replaced this with ever timing belt. Can someone please give some insight on what needs to be done with this during the 100k service.


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Old February 21st, 2019, 17:34   #2
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What car? You only have a 2004 Golf listed.
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Old February 21st, 2019, 19:34   #3
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Is this what your looking for?
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Old February 21st, 2019, 20:12   #4
Toyomike
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Oops, itís a 15 Golf


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Old February 21st, 2019, 20:16   #5
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I canít find anything on thermostat replacement, or parts.


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Old February 21st, 2019, 21:22   #6
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Quote:
Originally Posted by Toyomike View Post
Just about to roll 100K, I have found numerous timing belt kits. But I can’t seem to find anything on thermostat replacement. I have always replaced this with ever timing belt. Can someone please give some insight on what needs to be done with this during the 100k service.
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No real reason to replace the T-Stat at the first T/B change on any Dub but I did look and couldn't find a T-Stat either. I am surprised. TheT/B kit does look pretty reasonable though. https://www.idparts.com/timing-belt-...ca-p-7237.html

Almost forgot. isn't your T/B interval 130K miles?

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Old February 22nd, 2019, 05:22   #7
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I have never heard of preemptive changing of a thermostat. Water pump, and everything else the belts touch? Sure.

Unless you thermostat throws a code I wouldn’t worry.
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Old February 22nd, 2019, 07:55   #8
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The service interval does say 130k, but thereís no way Iím chancing it breaking. Iíll pay the money and change it at 100k.


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Old February 22nd, 2019, 10:23   #9
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Quote:
Originally Posted by JM Popaleetus View Post
I have never heard of preemptive changing of a thermostat. Water pump, and everything else the belts touch? Sure.

Unless you thermostat throws a code I wouldnít worry.
T-Stats are not monitored by the ECU............
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Old February 22nd, 2019, 17:38   #10
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Quote:
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T-Stats are not monitored by the ECU............
My 2004 Trailblazer could throw a CEL and tell me if the thermostat was stuck open or closed. Iím sure a 2015 VW could.

Maybe Iím wrong, maybe they do have a replacement interval. I myself have just never heard of that.
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Old February 22nd, 2019, 23:34   #11
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Quote:
Originally Posted by Toyomike View Post
The service interval does say 130k, but thereís no way Iím chancing it breaking. Iíll pay the money and change it at 100k
I haven't seen any interval listed for the EA288 thermostats in the maintenance schedule. 130k miles is for the timing belt. VW seems to view them like an alternator, you replace it when it goes bad.
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Old February 26th, 2019, 11:51   #12
740GLE
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may i recommend you also change out the oil pump belt as well? I mean PM is PM and you can never be too safe avoiding parts failures.

How often do you change GP and injectors?
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Old February 26th, 2019, 14:45   #13
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These cars have been sitting for over a year so a bit more than normal PM isn't overkill, imo.

That's a different issue from not being able to source a new tstat, which is concerning regardless of when it should be replaced.
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Old February 26th, 2019, 14:55   #14
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These aren't your typical cheapo automotive thermostats. VW made them pretty durable because they are such a pita to get at. That's also why there is no interval.
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Old February 26th, 2019, 15:02   #15
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Cheap or not, there have been several gurus posting that TDI tstats fail slowly without owners realizing it with predictably poor fuel mileage as a result. More to the point, these specific cars have been in holding for an atypical period of time--we may only have around 100k on them but they're five years old now.

The tstat on my beetle was about $15 bucks for everything including the housing. Holding it in my hand doesn't distinguish it from any other tstat I've ever replaced, but maybe my EA288 one is ultra fancy. Not sure of how difficult it is to get too, but placement doesn't really mean much to me in terms of the manufacturer's design. The oil filter is the same ole one, too, but it's definitely more of a pita to get to than my 2012.

Anyway, the point isn't whether one owner should replace the tstat; he wants to change it and no one knows where to get one is the thread's topic as far as I read it. I didn't see him asking us opinions whether he should change it...although since it's publicly posted people can post their opinions but they've already said their piece so no real reason to belabor the point if you think he doesn't need to change it, right?
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