GMC Yukon - Popular Questions, Answers, Tips & Manuals - Page 8

You need to hook up a scanner to be sure that the computer is sending the information to the transmission to go into reverse.

You may have a parasitic drain on the electical system , do you know what that is ? Watch this video ! Chevrolet Truck Battery Dies Overnight Part

Your Yukon has only one O2 sensor. If black smoke is present at exhaust pipe while at hi-way speed, it is probably staying in open loop (fuel mapping). most likely a coolant temp sensor. Before changing any parts, perform an OBDII diagnostic test to see the stored fault history. Replace cheapest components first (ie air filter, every 40,000 miles)

Could be more, tune up, fuel filter, vacuum leak.

You need new door struts, they look like mini shock absorbers https://i.ytimg.com/vi/9QU4_JrRWU0/hqdefault.jpg

How to Fix Power Window That Is Off Track

There is a problem with the torque converter or transmission. Sometimes cleaning out the transmission with new fluid and filter will solve such issues, but no such luck this time. Take it to a reputable transmission repair shop for an estimate. In the meantime, shift to "N" when you must apply the brakes, then shift to "D" when you want to go again. You may be able to save money by removing the transmission yourself and taking it to the shop, but let them see the vehicle first to confirm the diagnosis. On front-wheel drive cars, pulling the transmission is a major job; you will probably need to hoist the engine and transmission out together, or disassemble most of the front suspension.

1995 96 97 98 99 GM Truck Ignition Lock Cylinder Removal Chevy GMC

clogged catalytic converter, replace.

Wheel hub bearing . When the ABS see's a problem will disable traction control an ABS an will turn on RED brake light as well . Fluid level has nothing to do with it . SERVICE STABILITY Refer to ABS Description and Operation in Antilock Brake Systems

should be one above the gas pedal to the right side panel,and 2 others to the opposite side of counsel.I went through this on my 99' silverado.Have a garage mechanic do it as they need to be syncrinized. Jeff

There is a dead short to ground on that circuit . There are videos on youtube showing how to find an fix a short . Do you know how to do automotive electrical testing ? How to find automotive electrical shorts Look at the wiring harness under the hood for rubbed through wire's , harness going to the PCM , also find out what if any thing else is powered by that fuse . Which PCM fuse ? There are a few PCM 1 , PCM B , etc... PCM 1 Fuse 15A Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay PCM B Fuse 20A Powertrain Control Module (PCM) Any one of these fuse will cause the engine not to crank . The PCM energizes the starter relay which supply's power to the starter .

Please follow the procedure of steering shaft removal on: http://www.silveradosierra.com/suspension/steering-shaft-removal-t3172.html and http://www.fourwheeler.com/how-to/transmission-drivetrain/1703-jeep-cj-7-clutch-linkage-upgrade/

Before replacing anything you people need to go to school and learn how to test . starts up but dies out . Is security light lit on the instrument cluster ? anti-theft system . will disable injectors if there is a problem .

You can find wiring diagrams at http://www.bbbind.com/free_tsb.html free ! Enter your vehicle info. year , make , model an engine size . Under system click on lighting , subsystem click parking lights . Do the stop lamps work ? Turn signals etc.... Which fuse blows ? Also check fuse box diagram under power distribution ,fuse box .to see what all that fuse powers

Serious tranny issue. Sorry.

fixya doesnt do physical repairs / replacements or give estimates on jobs ----trans replacement in ny at a dealer 100,000 mile warranty on an 08 xl was $3000 call around to get estimates in your area

You must make sure the sensor is getting to the sensor & it has proper resistance, & the computer is getting those signals.

There are bypass cables available so no cutting or splicing required. Your search for amplifier bypass harness returned the following

Could my fuel pump be bad ????? Rather then guessing , i suggest you test fuel pressure to know for sure . Videos on youtube showing how . You will need to buy a fuel pressure testing tool . (55-62 psi) VIN: (V, T,U)