OrionStang Posted August 30, 2011 Report Share Posted August 30, 2011 There should be a trapezoid shaped plug just under the dash, where the drivers knees would be. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
EBW Posted August 30, 2011 Report Share Posted August 30, 2011 What year is the vehicle? If it is post '96, there should be a plug under the driver side dash. Any flash tuner can read codes, too. SCT, Diablo, those type of things. If you take it to a shop, they will charge a stupid amount to plug it in and tell you whats wrong. AutoZone does it for free Quote Kenwood KIV-BT900 Front Stage RF 400-4 Runs off dedicated 4 awg ofc RE 6.5 125.5. Lanzar Max Pro 6.5 Boston S60 6.5 components Rear Soundstream BX-15 Boston S60 6.5 components 4x Sundown SA8 v1.5 Crescendo BC3500D 2.4 net 28hz 4 runs of 0 gauge Big 3 HC2400 700ca up front Singer 350 Amp Alt No deadener :/ Scytek Galaxy Alarm Link to comment Share on other sites More sharing options...
toadking90 Posted August 30, 2011 Author Report Share Posted August 30, 2011 I'm gonno go with krypto at this point... does your thermostat housing have a bleeder screw? Or a return hose going back to the overflow pressure tank? No. Return hose connect to the bottom hose on the radiator Quote Link to comment Share on other sites More sharing options...
OrionStang Posted August 30, 2011 Report Share Posted August 30, 2011 What year is the vehicle? If it is post '96, there should be a plug under the driver side dash. Any flash tuner can read codes, too. SCT, Diablo, those type of things. If you take it to a shop, they will charge a stupid amount to plug it in and tell you whats wrong. AutoZone does it for free There you go, Toad. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
toadking90 Posted August 30, 2011 Author Report Share Posted August 30, 2011 What year is the vehicle? If it is post '96, there should be a plug under the driver side dash. Any flash tuner can read codes, too. SCT, Diablo, those type of things. If you take it to a shop, they will charge a stupid amount to plug it in and tell you whats wrong. AutoZone does it for free So do this first then? Quote Link to comment Share on other sites More sharing options...
OrionStang Posted August 30, 2011 Report Share Posted August 30, 2011 I would. Better than checking one thing at a time until you find the problem. It is free. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
EBW Posted August 30, 2011 Report Share Posted August 30, 2011 if its driveable yes but if there's an air pocket or bubble in the cooling system it will do funny sh!t if your overflow hose is clogged it will also do funny stuff Quote Kenwood KIV-BT900 Front Stage RF 400-4 Runs off dedicated 4 awg ofc RE 6.5 125.5. Lanzar Max Pro 6.5 Boston S60 6.5 components Rear Soundstream BX-15 Boston S60 6.5 components 4x Sundown SA8 v1.5 Crescendo BC3500D 2.4 net 28hz 4 runs of 0 gauge Big 3 HC2400 700ca up front Singer 350 Amp Alt No deadener :/ Scytek Galaxy Alarm Link to comment Share on other sites More sharing options...
photochrisb931 Posted August 30, 2011 Report Share Posted August 30, 2011 (edited) If your truck is a 1996 or newer it should be OBDII. The gov made it required on 96 but some companies drug their rearends till 98 on geting the system going. That aside I would be tempted to agree with the gentleman who said the cool temp sender may be bad. Best way is to plug in to obd connect and watch what the temp says it is doing. Most cars have a coolant temp sensor and a temp sender which makes it really easy to see if one is bad. they dont match up that simple. Another way would be get an infrared thermometer and read the hose as it comes out of the thermostat it will prob be a few degrees off but close enough to tell if the temp gauge is reading accurately. Also do not discount that the temp guage could be bad, it happens but I would not worry even if you replace the sender they only cost 15-20 on most vehicles so no big heft if the problem did end up being the gauge. To read coolant hose out of the thermostat housing the thermostat must be open or removed Edited August 30, 2011 by photochrisb931 Quote Barstad Link to comment Share on other sites More sharing options...
photochrisb931 Posted August 30, 2011 Report Share Posted August 30, 2011 yes and have autozone do the free check always a good plan. Quote Barstad Link to comment Share on other sites More sharing options...
toadking90 Posted August 30, 2011 Author Report Share Posted August 30, 2011 Ok. I will do that when I get the chance. Thanks for all the inputs. Quote Link to comment Share on other sites More sharing options...
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