http://www.fixya.com/support/gmcSolved technical support problems provided by FixYa users.en-usCopyright (c) 2007 FixYa, LTD. All rights reserved.info@fixya.comMon, 30 Nov 2009 01:54:40 GMT80http://www.fixya.com/cars/t3415270-replaced_heater_core_in_1999_gmc_sierraI replaced heater core in 1999 gmc sierra 1500 5.3 liter. I have no heat coming from defrost vents. Heater and ac work thru front vents.....Is there a reset sequence to get defrost to work properlyMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3368567-transmission_jerks_from_1st_2nd_gearTransmission jerks from 1st to 2nd gear after car has been driven a while and motor is hot. As soon as it cools back down after it rests it is fine again until driven again for while. Happens quicker when it is hot outside but now that its cooler...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3366866-2007_gmc_yukon_xl_burned_quart_oil_frommy 2007 gmc yukon xl burned a quart of oil from 29,000 mile to 32,000 miles. now it just bruned another quart at 35,000 miles. was told by the dealer that they have had some similar complaints. what's your adviceMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3357332-93_gmc_sierra_lot_troubleI have a 93 GMC sierra that has a lot of trouble on inital start up. It can take me up to 30 trys before it starts and stays running. I have tried a maf,tps,coil,fuel filter,cleaned the throttle body,it still has problemsMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3334380-all_door_locks_but_one_our_1999_gmcAll of the door locks but one on our 1999 GMC Suburban will not lock or unlock when using either the remote or the door lock switch. Is there a relay that accuates the locks?Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3324461-change_transmission_fluid_in_2004How do you change the transmission fluid in a 2004 GMC Yukon Denali?Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3316030-find_oil_drain_plugcant find oil drain plugMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3305620-fan_only_blows_in_4_5_speed_modemy fan only blows in the 4 and 5 speed modeMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3305615-96_suburban_v8_7_4l_454_k2500_knocking96 Suburban v8/7.4L/454 K2500, when I start the engine there is a loud knocking as the car warms it gets quieter but stays., when I accelerate it gets louder at Idle it is very quiet. When I hit about 25mph it goes away?? Seems as though it is...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3301426-oil_pressure_gauge_read_normalwhat should my oil pressure gauge read at normal driving conditionsMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3288956-blower_speed_switch_only_works_5I have a 2002 GMC Envoy SLE The blower speed switch only works on 5. The highest setting.Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3262109-remove_heater_core_from_1999_gmchow do you remove a heater core from a 1999 gmc jimmy. what all parts must be removed and what are the steps?Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3246178-idle_heater_core_return_line_flowing2000 GMC SIERRA 6000 VORTEC W/AC . Installed new 186 degree thermostat. At idle, heater core return line is flowing only one cup of coolant in 22 seconds, reading 103 degrees with heater on full. What should flow be at idle/2000RPM? At highway speed,...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3239166-94_gmc_sierra_350_problem_shifting_2ndi have a 94 gmc sierra K code with a 350 that has a hard time shifting in to 2nd. when im accelerating it gets to the top of first and the rpms go way up if I let of for a second and let the rpms drop it will shift in to second.this only happens...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3231106-1994_gmc_jimmy_will_turn_over_but_not1994 GMC Jimmy will turn over but does not start all of the time. Its getting fuel and has spark. If you let it set a couple of hours after about 4 times trying to start it it will then startMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3229407-2004_gmc_sierra_3_gauges_go_out_lastmy 2004 gmc sierra had 3 gauges go out on my last trip yet there was no problem with the truck as far as performence was concernedMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3214306-fuse_panel_diagram_2005_gmc_envoyFuse Panel diagram on 2005 GMC Envoy. I need to know what each fuse is used for. ThanksMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3208362-speedometer_inop_2005_gmc_2500hdspeedometer is inop on my 2005 GMC 2500hd silveradoMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3197426-envoy_115_000_miles_justMy Envoy has 115,000 miles on it and I just replaced the spark plugs with Platinum Autolites and it has developed a miss as well as a check engine light. I looked everything over to see if I possibly knocked something loose but everything looked...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3187474-turn_signals_brake_lights_not_workingMy turn signals and brake lights are not working (97 GMC Suburban). reverse lights work fine. it is not a bulb problem i tried to change them. one of the circut boards for the lights is new. not sure if there is a controller for those light that are...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3180367-recently_bought_1994_gmc_suburban_foundI recently bought a 1994 GMC Suburban and found out that one of the bolts that connect the front of the control arm to the frame support is broken and the other is missing completely. Can these bolts and bushings be purchased without having to buy...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3167957-leak_in_top_gas_tankI just purchased a 1998 GMC Safari and just like the 1995 I am replacing, I notice that when I fill up the tank, I have a gas leak on the ground under the tank. Does anyone know if it would be a gasket (say for the sending unit), or is it rusted out...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3162938-heater_blower_motor_doesnt_work_speeds_1Heater Blower motor doesn't work on speeds 1 and 2 but works on 3 and higher. Is it a blower motor problem or a relay problemMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3156586-hot_off_98_gmc_5_7_vortec_intakehot do you take off a 98 GMC 5.7 vortec intakeMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3146081-remove_rear_axle_03_chevy_silveradohow to remove rear axle 03 chevy silveradoMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3139265-2003_yukon_stalls_in_trafficMy 2003 GMC Yukon XL occasionally stalls in traffic, sometimes even on the interstate. After a few attempts at cranking the engine, it will usually start up again, and run fine for several more minutes, hours, days, or even weeks. These episodes are...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3133609-p0300_code_still_cominng_up_scannerp0300 code still cominng up on my scanner anthe vehicle still hesitates i've done every thing coil spk plugs & wires clean injectors & still have the problem could it be the injectors or the fuel pressure regulatorMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3124272-diagnostic_failed_code_reads_po172b_fuelDiagnostic failed code reads PO172B Fuel Trim System Rich Bank 1 and PO175B Fuel Trim System Rich Bank 2 How do I fix the problemMon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3123703-grinding_under_car_while_driving_brakesHELP! My car recently became a WRECK!!! I start the car. It's mechanically fine. Then the wheels start turning. Half way down the road, I start feeling a clicking sound underneath my feet as I'm driving. Each rotation of the wheel can be felt. It's...Mon, 30 Nov 2009 01:54:40 GMThttp://www.fixya.com/cars/t3122079-need_serpentine_belt_diagram_4_3_literi need a serpentine belt diagram for a 4.3 liter v6 1991 sonoma with no air conditioning.Mon, 30 Nov 2009 01:54:40 GMT