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Old 11-11-2012, 02:28 PM   #1
trock859
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Default don't buy a Gates thermostat

Here is why you don't want to buy a Gates thermostat.



This is less than 3 years and about 13K miles since I installed it. I hate to think about where the pieces of the seal are wedged.

I replaced it with a Stant, but they looked exactly identical. I wonder if they were from the same manufacturer in China.

This info is probably on here somewhere, but one hint:

Use your 1/4" drive 10mm socket and extension, then adapt it up to a 3/8 drive rachet. The smaller diameter of the socket will allow you unbolt the housing with much less trouble and without taking the hose off. The deepwell socket with a short extension worked the best for me.




I also drained the radiator and engine block for a change of coolant.

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Old 11-11-2012, 02:35 PM   #2
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Default Re: don't buy a Gates thermostat

*yawn*.. Stants will eventually do the same thing; it's happened to me and alordofchaos once.

I believe this is more to do with the design of the stat, not whether or not it was made in China or India or Vietnam or some other communist dictatored country that day (though to be fair it does have some significance..)

1/4" drive ratchet huh? When I tried undoing the t-stat housing using my 1/4 drive ratchet it wouldn't budge.. when I do the thermostat I usually use a 10mm deep well socket hooked to a 3/8" ratchet. with some clever temporary hose stuffing I can free the thermostat no problem.

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Old 11-11-2012, 04:51 PM   #3
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Default Re: don't buy a Gates thermostat

The Gates seems to fail sooner though...

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Old 11-12-2012, 12:03 AM   #4
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Default Re: don't buy a Gates thermostat

I replaced mine with OEM (Made in Germany). They tend to consistently fail before I put 100,000 miles on them. The seal degrades, but is still intact.

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Old 11-12-2012, 02:30 AM   #5
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Default Re: don't buy a Gates thermostat

Looks like every single Stant I've replaced in these cars. It's gotta be something with the crap design or crap location.

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Old 11-12-2012, 08:24 AM   #6
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Default Re: don't buy a Gates thermostat

Quote:
Originally Posted by OldNuc View Post
The Gates seems to fail sooner though...
It used to be, anyone sayng Gates failed sooner was fightin' words! Now, it is a sign of end times.

I will stock-up on O.E.

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Old 11-12-2012, 08:48 AM   #7
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Default Re: don't buy a Gates thermostat

I thought they were going to be a good part as well...

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Old 11-12-2012, 10:03 AM   #8
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Default Re: don't buy a Gates thermostat

the replacement thermostat i just got from NAPA looked like a cheap piece of crap as well. unfortunately it wasn't priced like a cheap piece of crap. so far it seems to be functioning better than the old one, though. only time will tell.

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Old 11-12-2012, 01:48 PM   #9
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Default Re: don't buy a Gates thermostat

Quote:
Originally Posted by magtec View Post
the replacement thermostat i just got from NAPA looked like a cheap piece of crap as well. unfortunately it wasn't priced like a cheap piece of crap. so far it seems to be functioning better than the old one, though. only time will tell.
The NAPA part is exactly the same as the Stant (different box, same exact part from the same manufacturer). Stant is the go-to thermostat for most of us, so that's not necessarily a bad thing, however, the NAPA branded one costs significantly more.

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Old 11-12-2012, 02:01 PM   #10
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Default Re: don't buy a Gates thermostat

yeah. the stant branded thermostat wasn't available same day at any of the local stores, so i got the napa one.

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Old 11-12-2012, 02:18 PM   #11
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Default Re: don't buy a Gates thermostat

Quote:
Originally Posted by bumpdraft View Post
It used to be, anyone sayng Gates failed sooner was fightin' words! Now, it is a sign of end times.

I will stock-up on O.E.
I was expecting better from them myself.

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Old 11-12-2012, 02:20 PM   #12
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Default Re: don't buy a Gates thermostat

The 4 year old (I'll have to go check) thermostat I got from Autozone (85 celcius and made in Germany) is still hanging in there.

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Old 11-12-2012, 04:53 PM   #13
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Default Re: don't buy a Gates thermostat

I've had the Stant in my car for over five years and over 60,000 miles. Still going strong.

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Old 11-16-2012, 03:35 PM   #14
manualman
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Default Re: don't buy a Gates thermostat

I had a Stant do exactly that in 2 years, around 40,000 miles. IIRC

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Old 11-16-2012, 08:45 PM   #15
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Default Re: don't buy a Gates thermostat

These thermostats have a design defect in that the turbulent flow past the main disk tends to tear up the seal. As both Gates and STANT build these things in batches by the low bidder every batch is a bit different.

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Old 11-17-2012, 10:53 PM   #16
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Default Re: don't buy a Gates thermostat

Quote:
Originally Posted by adventureoflink View Post
*yawn*.. Stants will eventually do the same thing; it's happened to me and alordofchaos once.

I believe this is more to do with the design of the stat, not whether or not it was made in China or India or Vietnam or some other communist dictatored country that day (though to be fair it does have some significance..)
You got at least a few months out of your first Stant unit right?

I do agree that design is probably a larger function of how long they last. The last one I got was the made in Germany unit from NAPA, and is not the same design as the ones that duplicate the Stants.

The sad thing is a cheap and good unit shouldn't be hard to find when dealing with thermostats... we aren't dealing with rocket science here.

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Old 11-19-2012, 01:27 PM   #17
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Default Re: don't buy a Gates thermostat

LOL, seriously. Our backup car is my wife's 2003 Honda Odyssey with 200,000 miles on it. Still has the factory thermostat, which functions perfectly. Warms up in 5 minutes in winter, still never overheats pulling our popup camper up Rocky Mountains. Go figure.

Not to say it's a perfect car either. Took me about 10 hours to do the timing belt job on that car. Possibly harder than doing the chain on a Saturn.

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Old 11-19-2012, 01:46 PM   #18
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Default Re: don't buy a Gates thermostat

Quote:
Originally Posted by Signmaster View Post
You got at least a few months out of your first Stant unit right?
I've been kinda using the "what did you do to your saturn today" thread as an online spot for some non-routine maintenance things (in addition to the notebook I keep in the car)

http://www.saturnfans.com/forums/sho...nt#post1817914
Quote:
Originally Posted by alordofchaos on 12/2/2011
Replaced the thermostat... again. Last replaced on 8/21/2009 at 102,555 miles. Just replaced at 136, 258 miles; had been failing for a month or two when I noticed. So the darn thing only lasted about two years, 34k miles. Stant 14279 both times.

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Old 11-19-2012, 02:27 PM   #19
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Default Re: don't buy a Gates thermostat

The type of antifreeze has an impact as well on the life of that seal on the main thermostat disk.

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Old 11-19-2012, 08:54 PM   #20
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Default Re: don't buy a Gates thermostat

Quote:
Originally Posted by OldNuc View Post
The type of antifreeze has an impact as well on the life of that seal on the main thermostat disk.
details?

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