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Chevy S10 - GMC S15 and Sonoma Climate Control

57 messages,  Last post on Oct 29, 2009 at 8:11 PM

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What is this discussion about? Chevrolet S-10, GMC Sonoma, GMC S-15, Heating / Cooling, Truck

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#18 of 57 Re: Heater Core Replacement - 2000 Blazer [gonogo] by steel24 Mar 25, 2007 (7:11 am)
Replying to: gonogo (Mar 25, 2007 5:44 am) SI ? And where do you get it? Replies to this message: gonogo (Mar 26, 2007 10:02 am)
#19 of 57 Re: Heater Core Replacement - 2000 Blazer [steel24] by gonogo Mar 26, 2007 (10:02 am)
Replying to: steel24 (Mar 25, 2007 7:11 am) GM Service Instructions. Back when they had generic user name a P/W I got on the site for 3 months, some dude put it on line. Then they caught up with me and kicked me off. In the mean time I downloaded MB's of files for my 2 vehicles. Anyone can get on their SI site, but you need to pay with credit card. It used to be day, month and year. Go here, no WWW. http://service.gm.com
#20 of 57 Re: Heater Core Replacement - 2000 Blazer [chuk] by lchristian Apr 19, 2007 (4:18 am)
Replying to: chuk (Mar 13, 2007 6:42 pm) Chuk,   I have a 2000 Jimmy and I have to replace the heater core in it real soon. Thank you for posting this information about removing the wheel well liner. Did you have o discharge the a/c system? Are there any other tips you can offer before I start?   Thanks again,   Luke
#21 of 57 GMC Sonoma 2000 Coolant by darcy2 Aug 18, 2007 (2:06 pm)
trying to improve cooling using refill ez chill auto air conditioning r-134a refrigerant plus oil could you please tell me were or what line to attach to fill it thanks Replies to this message: gonogo (Aug 19, 2007 7:50 am)
#22 of 57 Re: GMC Sonoma 2000 Coolant [darcy2] by gonogo Aug 19, 2007 (7:50 am)
Replying to: darcy2 (Aug 18, 2007 2:06 pm) Put in just plain 134a, the oil in the cans may not be compatible with your system. If you contaminate your A/C it will cost more then $1000 to fix.
#23 of 57 98 GMC Sonoma A/C condensation drain hose by brivers63 Aug 28, 2007 (12:34 pm)
I searched and searched and could not find an answer to this.   Where is the a/c condensation drain hose on a 1998 GMC extended cab Sonoma? I am getting water in the cab on the passenger side, coming down from the firewall when the a/c is running and after it is shut off. I have looked under the truck as best as I can and cannot find the drain hose. Any help to put me in the general area would be appreciated. Replies to this message: gonogo (Aug 29, 2007 8:52 am)
#24 of 57 Re: 98 GMC Sonoma A/C condensation drain hose [brivers63] by gonogo Aug 29, 2007 (8:52 am)
Replying to: brivers63 (Aug 28, 2007 12:34 pm) Well on my 99, look under the truck passenger side. It is where the firewall and HVAC unit come together at the bottom. Is a plastic tube about 2 1/2 inches long horizontal pointing forward. It is just aft of the ignition coils.
#25 of 57 Re: Heater problems S-10/Sonoma [mike182] by philscbx Nov 13, 2007 (5:51 am)
Replying to: mike182 (Feb 09, 2007 1:41 pm) WARNING This Applies to all owners looking at coolant level.   Stop looking in Coolant over flow tank for confirmed level of engine coolant. You'll get faked out every time.   You need to only look in radiator.   First sign of no heat is low coolant. Second is plugged heater core. Be careful and gentle when flushing out core to not over do it with outside pressure source.   You could force a weak heater core to leak all inside vehicle.   If you applied radiator stop leak in the past, then take a minor guess where all that crap is now.   If you have to use these products, then take out the heater core from the process by removing the heater hoses from the engine.
#26 of 57 vent controls by dragboats Nov 30, 2007 (7:07 am)
hi all new to the site,i have a 2000 s-10 with 110,000mls. the vent control wont switch between defost and floor it stays on panel. any ideas what could be the problem? thanks.... Replies to this message: mboes (Mar 11, 2008 10:20 am)
#27 of 57 no heat by scoobydude1 Dec 10, 2007 (3:03 pm)
Engine will not heat up over 150 degrees. I changed the thermastat and blocked the radiater but still will not heat up.Could it be a blocked heater core?

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