GM 3100,3400 Thermostat Replacement




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Joel Scharfenberg: Good job sir... Good camera angles and descriptions... Thanks

Larry Wilson: I loosened the heat shield from the exhaust, then put a very short 13 mm socket onto the bottoe bolt. It's very tight fit but it will go on. For the socket, use one that will allow you to use a open ended wrench on the end. Do this just enough to loosen the bolt and take the socket back off before finger loosening the bolt or else you will pich your socket in between the exhaust and the thermostat housing.

DR. Janos Rukh: wrap a piece of solid wire around bottom bolt to hold and start, then pull it off.

Fastlearn Productions: chevy thermostats! fun fun!!! Dont break that housing even more fun! Great video by the way thanks

in0culate78: putting that bolt in on the back side is a pain

Ruben Torres: queeeeeee?....what....?

TheBeauty: For anyone curious, this DOES NOT work for a Pontiac Aztek 2001, same engine, but there's a damn intake line in the way that blocks everything up...take my word for it...

Dave Shannon: Thank you SO much. very well done video. The towels were a good idea to catch falling tools, bolts,etc. But I ended up using a hard-access, curved 11mm/13mm double box-end wrench and tieing a string to the 11mm end, attached the other end of the string to the carb. so I could easily fish out the dropped wrench - which I did MANY times. This allowed me to dispense with the towels. I also backed out the bottom bolt just enough to clear the thermostat so there was no need to restart the bolt (so glad I did that) ... After 4-1/2 hours, half of which were filled with cursing, I got the job done for $15 instead of $400. Great excuse for a warm down in the hot-tub licking my wounds after prolonged torture. Your hands must be miniscule!

vvidrio: Thank you, it really helped me and it's a done job! Again Thanks!

anthony slade: My temperature hand goes up and down while I'm driving but it's not over heating does that mean I have to change the thermostat

Mark Webb: The GM engineer that designed this T stat system should be flogged.

Red Rider7: Oh the joys of having XXL hands and trying to work on nowadays vehicles. LOL. Thank you for this video!

American by Birth Southern by the Grace of GOD: I'm a CDJR tech and I have to say bud you make a really good How-To video! It gives me some good ideas for how to make a few myself on the CDJR line ups, so THANKS

Clint Luna: About how much coolant did you have to refill after this job? Thanks!

Joshua Jimenez: thanks,very informative.anyone ever tell you that you sound like Ray Ramano?

gazeebo88: Do you know what the metal clips are called/where to get them that close the air filter box? The Jiffy Lube people lost one of them (and of course didn't tell me) and now the filter box is closed with only 1 metal clip.
I've been looking all over amazon/ebay and can't find one that would fit this box. I'd appreciate any help. Besides that they also disconnected the breather hose to show me my air filter and never connected it again and also cracked the tube connected to the pcv valve. Not going back there again ..

Also, I have a GM3400 and the thermometer gauge in the car always shows a little under half. I had the thermostat replaced a year or so ago and I believe they used a 190(but I could be wrong)
Is this a good temperature or should I get a thermostat that makes it a little hotter?

WarMachine550: Is there anything else under there (in the area of the thermostat housing) that could leak coolant? A friends 01 Malibu has a coolant leak puddling right there underneath the thermostat housing. I didn't have time to dig any deeper when I looked at it. I'm thinking the thermostat housing is leaking, but I was wondering if it could be something else.

Veda Hansbro: i wish you actually showed you doing the work along with saying what you did for people who dont know. other than that, excellent video

Rahim D.: Hiya,
The 90 degree hose that you pulled out out the air intake hose that goes to the back.. what is it called, do you know? Mine did indeed break because it's -25 degrees Celsius here (-13f) and was brittle. I need to order a new one. Thanks mate. Great video btw.

Tech_bloodbath: thank you so much for your video on changing the thermostat on my 2005 Pontiac Grand Am and I did not know how in the world to get that bottom bolt off this video helps so much much appreciated
Rating:
GM 3100,3400 Thermostat Replacement 5 out of 5

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GM 3100,3400 Thermostat Replacement