Overheating...Thermostat Question...Please Help

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Overheating...Thermostat Question...Please Help - 12/24/2007 3:06:07 PM    XTREME POS   Posts: 7 Joined: 12/24/2007 Status: offline Hi, I'm new to this forum. I have an 03 blazer xtreme with the 4.3L engine. Recently my car has been running close to 260 degreese and I have little to know heat inside the vehicle. My cousin suggested a stuck thermostat so I picked one up the other day hoping to throw it in, but I don't have the necessary tools. I found the thermostat housing but I don't have any deepwell sockets to get in there. Does anyone know the size of bolts on the housing off hand and whether they are metric or standard? I'd rather buy the one socket than a whole set. Is there a thread anywhere that gives a step by step on how to change out the t-stat? Also any advice would be greatly appreciated Thanks! Post #: 1

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 4:29:31 PM    rriddle3 Posts: 1308 Joined: 12/22/2006 From: Fort Worth,Texas Status: offline Removal Procedure 1.Partially drain the cooling system. 2.Remove the air cleaner outlet duct. Thumbnail Image 3.Remove the throttle body bracket nuts and reposition the bracket. Thumbnail Image 4.Remove the water outlet housing mounting bolts. Thumbnail Image 5.Remove the water outlet housing from the lower intake manifold and set aside. 6.Remove the gasket or O-ring. Thumbnail Image 7.Remove the thermostat. 8.Clean all the sealing surfaces of the water outlet housing. 9.Clean the sealing surface on the lower intake manifold. Installation Procedure 1.Install the thermostat. 2.Install a new gasket or O-ring. 3.Install the water outlet housing to the lower intake manifold. 4.Install the water outlet housing mounting bolts. Tighten water outlet housing mounting bolts to 19 N·m (14 lb ft). 5.Install the throttle body bracket to the throttle body. 6.Install the throttle body bracket nuts. Tighten the throttle body bracket nuts to 10 N·m (89 lb in). 7.Fill the cooling system. 8.Inspect for coolant leaks. Attachment (4) < Message edited by rriddle3 -- 12/24/2007 4:37:54 PM > _____________________________ 2002 Blazer LS 4dr 2WD Auto Trans Hypertech PP III Programmed Flowmaster 50 Series Delta Flow Muffler, C6 Corvette Exhaust Tip TYC Elegante carbon fiber tail lights (in reply to XTREME POS) Post #: 2

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 7:10:21 PM    2002XTREME   Posts: 799 Joined: 10/7/2007 From: Long Island Status: offline too bad ya didnt live in NY i would have done it for you takes 5 minutes!!!! (in reply to XTREME POS) Post #: 3

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 7:11:58 PM    felonyblazer96   Posts: 464 Joined: 11/4/2007 From: Utica ny Status: offline where in ny are you? (in reply to 2002XTREME) Post #: 4

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 7:20:36 PM    2002XTREME   Posts: 799 Joined: 10/7/2007 From: Long Island Status: offline suffolk county ,Long Island (in reply to felonyblazer96) Post #: 5

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 7:22:53 PM    felonyblazer96   Posts: 464 Joined: 11/4/2007 From: Utica ny Status: offline like by copeg? (in reply to 2002XTREME) Post #: 6

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 7:28:44 PM    2002XTREME   Posts: 799 Joined: 10/7/2007 From: Long Island Status: offline not really near it but about 30 min away... i`m in Selden , further east.. ive been to Tanner park for car shows..  Ya know where that is? (in reply to felonyblazer96) Post #: 7

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 7:31:14 PM    2002XTREME   Posts: 799 Joined: 10/7/2007 From: Long Island Status: offline Have you heard of Broadway choppers in schenectady??? near Albany..  Thats a friends shop..  Hes a Kool guy if ya ever need any motorcycle stuff go there and tell him Scooby sentcha.. (in reply to 2002XTREME) Post #: 8

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 7:48:53 PM    XTREME POS   Posts: 7 Joined: 12/24/2007 Status: offline this is very helpful. now i know i was on the right track. thanks! (in reply to 2002XTREME) Post #: 9

RE: Overheating...Thermostat Question...Please Help - 12/24/2007 10:09:15 PM    swartlkk Posts: 14295 Joined: 5/1/2005 From: Waterloo, NY Status: online I am betting that the thermostat is at fault and you boiled off quite a bit of coolant.  Lets hope that it didn't do further damage in the process... _____________________________ Kyle- 2004 Rainier 1970 Chevelle - Resto 1974 K5 Blazer - Resto (in reply to XTREME POS) Post #: 10

RE: Overheating...Thermostat Question...Please Help - 12/25/2007 12:58:36 PM    XTREME POS   Posts: 7 Joined: 12/24/2007 Status: offline i had to jump it to get it into the garage today(my factory cd changer and it's dumb security system seem to drain it sometimes. i could rant on forever about that among other ridiculous problems with this car). After I got it started it seems to be running really rough now. I really hope I didn't do any major damage. Gonna have it looked at tomorrow. Thanks again for the advice. (in reply to swartlkk) Post #: 11

RE: Overheating...Thermostat Question...Please Help - 12/25/2007 1:56:22 PM    swartlkk Posts: 14295 Joined: 5/1/2005 From: Waterloo, NY Status: online Over heating an engine can cause a lot of problems.  The worst of which would be a head gasket failur.  If your head gasket has failed, you should not run the motor.  By running your engine with a failed head gasket, you could risk pushing coolant into the oil, severely shortening the life of the bearings in the bottom end of the motor. _____________________________ Kyle- 2004 Rainier 1970 Chevelle - Resto 1974 K5 Blazer - Resto (in reply to XTREME POS) Post #: 12

RE: Overheating...Thermostat Question...Please Help - 12/26/2007 6:18:57 PM    XTREME POS   Posts: 7 Joined: 12/24/2007 Status: offline ^^^I think you were right. Looks like the overheating definately caused further damage. soooo...any advice on replacing warped heads?? < Message edited by XTREME POS -- 12/26/2007 6:22:48 PM > (in reply to swartlkk) Post #: 13

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