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Chevy Suburban Maintenance and Repair

442 messages,  Last post on Aug 17, 2008 at 9:59 AM

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#433 of 442 Re: fuel filter replacement [ilive2] by Mr_Shiftright HOST Jul 30, 2008 (11:25 am)
Replying to: ilive2 (Jul 27, 2008 3:30 pm) The fuel filter is located along the LH frame rail.   REMOVAL PROCEDURE   IMPORTANT: If the in-line filter is plugged, the fuel tank should be inspected internally and cleaned if necessary. Refer to Fuel System Cleaning.   CAUTION:       * Do not drain the fuel into an open container. Never store the fuel in an open container due to the possibility of a fire or an explosion.     * Refer to Battery Disconnect Caution in Cautions and Notices.      1. Disconnect the negative battery cable.    2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure. Have a dry chemical (Class B) fire extinguisher nearby.    3. Turn the filter housing counterclockwise and allow the fuel remaining in the filter housing to drain into an approved container.    4. Remove the fuel filter housing and gasket from the base.    5. Remove the fuel filter cartridge.    6. Inspect the inside of the housing for signs of rust or corrosion. Discard the housing if rust or corrosion is present.   INSTALLATION PROCEDURE      1. Install a new housing gasket. Apply a few drops of clean engine oil to the gasket.    2. Install the new filter cartridge.    3. Connect the housing to the base. Tighten             o Tighten the filter housing until the gasket seats.           o Tighten filter housing 3/4 of a turn more.      4. Check for fuel leaks.   4.1. Connect the negative battery cable. 4.2. Turn ON the ignition switch for 2 seconds . 4.3. Turn OFF the ignition switch for 10 seconds . 4.4. Again, turn the ignition switch to the ON position. 4.5. Check for fuel leaks. Replies to this message: ahightower (Aug 16, 2008 7:43 pm) ahightower (Aug 17, 2008 9:59 am)
#434 of 442 Re: electrical problem [tonedogz71] by mycar15 Aug 10, 2008 (7:51 am)
Replying to: tonedogz71 (Feb 24, 2008 9:45 pm) hello , i my self am going thru the same thing with my 03 tahoe , i would like to know if you have fixed the problem and what you did to fix it , i have tried looking for bad connections but have had no luck ,i am thinking of taking it to the dealer but, thats going to cost an arm and a leg ,and to make matters worse ,thats the only car i have ,so if you would let me know what you did to resolve the problem i would be very thankful , hope to hear from you soon , and thank you for your time... Replies to this message: batkinson (Aug 11, 2008 5:46 am) kiawah (Aug 11, 2008 5:50 am) thisey (Aug 11, 2008 4:11 pm)
#435 of 442 03 tahoe cuts out when i hit a bump by mycar15 Aug 10, 2008 (6:10 pm)
i have an 03 tahoe that cuts out when i hit a bump , message #391 had the same thing going on ,any ideas??   i have an 03 tahoe with an intermitten problem when I hit a bump it seems like my vehicle shuts off and turns on momentarily. Sometimes the door locks just cycle and sometimes the check engine light goes on and off, ABS light comes on and off, brake warning light goes on and off, service brake system flashes across my odometer and chimeing like I just started the vehicle. I also lose power for a second. Sometimes the ABS light and brake warning light stays on. My brakes work fine and the brake warning light goes out when I shut off and restart the vehicle, then after running awhile the ABS clears. At least till I hit another bump. Any thoughts where to start? It seems to be a loose electrical connection. Checked ths grounds off of the engine and it isn't loose. I also had the seat heaters on when it did this and they turned off. No OBD codes
#436 of 442 Re: electrical problem [mycar15] by batkinson Aug 11, 2008 (5:46 am)
Replying to: mycar15 (Aug 10, 2008 7:51 am) what is the problem,it won't start sometimes,then it starts Replies to this message: kiawah (Aug 11, 2008 5:50 am)
#437 of 442 Re: electrical problem [batkinson] by kiawah Aug 11, 2008 (5:50 am)
Replying to: batkinson (Aug 11, 2008 5:46 am) You will have to give significantly more information than that. Please describe your symptoms in much greater detail.   As an example.... When you say it doesn't start, do you mean that the starter doesn't engage when you turn the key, turning over the engine?   or do you mean, the starter turns over the engine, but the engine will not fire up and start running?
#438 of 442 Re: electrical problem [mycar15] by thisey Aug 11, 2008 (4:11 pm)
Replying to: mycar15 (Aug 10, 2008 7:51 am) I replaced my battery and the ignition relay ($10). GM has a secret bulletin about this problem. The dealer will deny, deny, deny about it. I was given a copy of the bulletin from a GM warranty mechanic who was employed at the Oil company I was working at. He gave it to me with the caveat to not tell the dealer where I learned this from. GMs own bulletin advised changing the battery and the relay. I bought a new gel battery and have eliminated all of my electrical problems.
#439 of 442 electrical problem by mycar15 Aug 11, 2008 (5:12 pm)
well , thanks for all the help but , well , i broke down and took my tahoe to the dealership today at 7:30 am ,by 4:30 i called the service dept. back and was told that they could not get my tahoe to act up but they pulled up two codes saying i needed a nutral safety switch and a new fuel pump in all it was going to cost me $980 some dollars and they said that would fix my problem , well i declined to the repairs , went to the dealer after work ,paid $90 dollars for the computer scan and went home and started to check the tahoe my self ,well after 15mins, i found the problem called the dearler told them what i found ,all they said is that they were sorry and refunded me my money ,man that is really bad ,i dont have any scaners or wiring diagrams or a fancy shop or a whole lot of money, but i did need my tahoe fixed , well if any one needs the fixs for the same problem email me and i'll walk you thur it, thanks for everybodys help and" fatmando" your comment was really dumb . my email is , xr1live .com . thanks !!!!!! Replies to this message: kiawah (Aug 11, 2008 5:40 pm)
#440 of 442 Re: electrical problem [mycar15] by kiawah Aug 11, 2008 (5:40 pm)
Replying to: mycar15 (Aug 11, 2008 5:12 pm) Why don't you just post what you found, so others may look for it as a possible problem in the future.   Bad ignition switch? Bad relay? Loose wire?
#441 of 442 Re: fuel filter replacement [Mr_Shiftright] by ahightower Aug 16, 2008 (7:43 pm)
Replying to: Mr_Shiftright (Jul 30, 2008 11:25 am) How often should this be done? I've got about 45K miles, never changed it yet. Seems like a prior vehicle (2000 Mustang) recommended it be done at 30K (or was it 40K?) in the owner's manual, but the GMC Yukon XL manual does not mention anything about the fuel filter. Replies to this message: ahightower (Aug 17, 2008 9:59 am)
#442 of 442 Re: fuel filter replacement [ahightower] by ahightower Aug 17, 2008 (9:59 am)
Replying to: ahightower (Aug 16, 2008 7:43 pm) Answering my own question here. Edmunds maintenance guide says to replace the fuel filter at 60K. A couple of other things struck me as odd - It never says to change the coolant or transmission fluid, only to inspect and fill as needed. I'll probably flush and replace both of those at 60K as well.

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