1998 GMC Yukon Consumer Discussions

GMC Yukon Climate Control AC and Heat Questions

Re: 1998 GMC Yukon heater problem [bobvanleeuward]

Written by: arrie on Jan 16, 2009 02:58 PM

Make sure you have enough engine coolant level. Best way to check this, which is against what they say, is to open the engine coolant expansion reservoir after running the engine hot. By opening I mean to place a thick shop rag on top of the cap and turning it slowly open to let pressure out from the reservoir. Pressure comes out when the spring loaded valve on the cap ... Read More...

1998 GMC Yukon heater problem

Written by: bobvanleeuward on Dec 11, 2008 02:21 PM

The heater in my 1998 GMC Yukon works sporadically. Does anyone have any idea why this would happen? Thanks! Read More...

GMC Yukon and Yukon Denali Problems

Re: 99 GMC denali 125k slight bucking @ 45-55mph [reeftankguy]

Written by: bigbod98 on Nov 27, 2006 07:26 PM

I have a 1998 GMC Yukon and I have received the same code. I have lost my reverse, 2nd gear seems to function when it so chooses and 3rd gear is almost non-existent. I can drive it, but it's like a stick shift with a bad clutch? I was curious to know the details about the replacing of the solenoid and what it entailed since I seem to be in the same boat. I am not brave enough ... Read More...

GMC Yukon / Yukon Denali

1999 Yukon Denali intake manifold coolant leaks:

Written by: noahark495 on Mar 31, 2005 04:49 PM

My SUV's has appox.117,000 miles on it. Over the pass several years I noticed a slight coolant leak now getting worse. The problem exist on my wife's 1998 GMC Suburban. Has anyone else had these problems? Or did I just pick 2 winners. And does anyone know of a recall related to this problem? Thank you in advance for your advice. Read More...

To wjs3rd (and orwoody)

Written by: y2kgts on Oct 29, 2002 10:27 PM

If you are looking to purchase new, be sure to stop by your local GMC dealer and pick up a free brochure on the Yukon/Yukon XL/Denali. It is a very complete "book" on the two cars so you can see what the differences are. One expectation I had from reading the forums was the availability of four-wheel-steering on the 2003 Denali XL. Bad news there: It is not and WILL not ... Read More...