Faults:

Transfer case replaced, you joints and drive shaft replaced at about 125000 miles.

Water pump went out at 145000.

General Comments:

Great ride.

Perfect doing U Turns!

Faults:

Well, it being a used vehicle, the transmission went out at 50k. I had seen the dealer's records on this vehicle (since I worked there as a service advisor) and knew all maintenance was up to date, but knew the previous owner did not believe in automatic transmission service. When I bought it, I also bought the General Motors Protection Plan, which replaced the transmission for free when it went bad at 50k. A few months later the ac compressor started to leak a little, and the GMPP replaced it for free. My wife drives the 99 Yukon, and she loves it. We replaced the Uniroyal tires at about 40-41k with Bridgestone Dueler HLs and replaced the shocks with Monroe SUV type shocks. At 98k miles we replaced the Dueler HLs with a set of Dueler ATs. It rode great with the HLs, but is now a little "trucky" with the ATs, which was expected. It got its first tune up of plugs and wires, a new serpentine belt, a new fuel filter, and a water pump that had been leaking about a gallon a month for a while was replaced too. I had replaced the front pads and rear shoes at the first tire change with Wagner parts and they appeared to have no wear on them when we put the new tires on it. We love the 99 Yukon, and if they are properly maintained with quality replacement parts, there is no reason why each one wouldn't go 500k. Maintenance is important for all motor vehicles, and the 99 Yukon is the best SUV (short of a Hummer) on the market. And the old plugs with 98k miles were worn but the coloration was ideal for a gas engine burning unleaded gas.

General Comments:

GMC...God's Mechanical Creation...GMC

The General is the Best!!

We don't own anything else. And I am not some crazy kid. I am 47 years old, and do not work in the automotive field anymore, so there is no workplace loyalty involved. I know quality and durability, and the General is the Best!

Faults:

I replace the fuel pump once. Most fuel pumps go bad because people run their cars low on fuel too often. When dealing with such a large tank, that is low on gas, stopping and taking off can cause the pump to go dry. This condition causes the pump to over-heat for two reasons, first parts are spinning with no fluid in them, second no fluid (gas) to cool from the outside. My wife learned real quick not to drive the Denial below 3/8 of a tank of gas.

General Comments:

We love it and plan on getting another one soon. No electrical problems yet?

Faults:

Hey guys, I have a 1999 GMC yukon with the same "clunk" noise when I brake and it also does it when I released the brakes and I get ready to take off after a stop. Well, it used to do it I should say. I just got my SUV back from the mechanic and they told me it was te "Drive Shaft Slip YOKE" which enters the tail of the transmission. I have had this problem for quite a long time, but I finally decided to take it in to get it fix. I purchased the Yoke from the dealer at a cost of $150. The mechanic recommended to also change the U-Joint that attaches to the yoke, since it had to be taken out anyway. The U-joint cost about $25.00 plus $35.00 labor. Over all I end up paying $200.00, but let me tell you it was well worth the effort and the money. The truck drives like a dream; best of all the "clunk" noise is gone. Good luck fixing yours. I am sure it will take care of the problem. P.S. The dealer price list for the yoke is $221.00, but you can ask for a better price; they should be able to sell it to you cheaper. They did it for me, I am sure they will do it for you too.