Search results

Pulled intake manifold to change gaskets

have had an oil leak running down back of engine. Couldn’t quite tell if was intake manifold or valve cover, decided to pull apart and do all the gaskets. Found some oil sludge buildup in valley. Looks like I’ve got some cleaning to do, and some hardware to replace. How much sludge is too...
- Grube
- Thread
- Apr 14, 2024
- Replies: 22
- Forum: Engine Performance + Maintenance
97 yukon 4wd actuator upgrade

Well, finally got some time to address my 4wd actuator on front axle. Went ahead and ordered the upgrade kit from old Thermal to newer style. Used Dorman 600-600 harness and Dorman 600-601 actuator. Removed thermal actuator, cleaned threads, installed new spacer plug. Applied threadseal to new...
- Grube
- Thread
- Feb 11, 2024
- Replies: 6
- Forum: Transfer Cases
Getting a Sound system together for my Yukon

I have been looking for deals and sales on car audio for my old Yukon, for a couple days now. I found a few deals today I decided to pull the trigger on. So far this is what I’ve got together, all price in CAD$; Metra 70-1858 $16.10 (down from $19.99) Metra 95-3003G $27.68 (down from $31.06)...
- Grube
- Thread
- Jan 22, 2024
- Replies: 17
- Forum: Audio + Electronics
Snow cruisin’ with my pup

I searched a bit to see if there was a thread with animal copilots and cruising companions, but couldn’t find one.. So I thought I’d share my pup here, of course to keep it truck related, he is either in the truck or running in front of it haha. The GMC sure is a comfy (and warm) way to get him...
- Grube
- Thread
- Jan 15, 2024
- Replies: 2
- Forum: Member Trucks
New-to-me truck first tune-up 5.7L vortec

I’ve been having a slight misfire/pop on deceleration occasionally since I bought the truck. Doesn’t happen all the time, but often enough. I presumed there to be a plug or wire on the way out, so I picked up cap/rotor/wires/plugs and did the first tune up today. Immediately after pulling the...
- Grube
- Thread
- Jan 14, 2024
- Replies: 11
- Forum: Engine Performance + Maintenance
Newbie saying Hi

Hi all, new to the GMT400 community. Bought my first ever GMC truck a few weeks ago, older but so far been good to me. 1997 Yukon 5.7TBI 4WD. Automatic 4L60E. Been a Ford and Toyota driver most of my life haha, not new to driving old clunkers but new to GM vehicles. Only had it a few weeks and...
- Grube
- Thread
- Jan 12, 2024
- Replies: 10
- Forum: Introduction