Engine & Drivetrain

Discuss engine and drivetrain items from brakes, transmissions, towing, error codes, anything in the engine bay and so on here.
osidesurfer365
  • Sticky
Broken Motor Mounts
68 69 70
Replies
691
Views
278K
Denaliz
Denaliz
07Burb
  • Sticky
IMPORTANT: The Chronicles of Low Oil Pressure by 07burb
16 17 18
Replies
179
Views
69K
kbuskill
kbuskill
Geotrash
Keeping coolant and transmission temps under control when towing in the summer heat
33 34 35
Replies
347
Views
12K
Doubeleive
Doubeleive
A
I can't wrap my brain around this..help please
Replies
5
Views
114
Ahargrove86
A
swathdiver
Well, what would you do?
3 4 5
Replies
43
Views
894
PNW VietVet
PNW VietVet
N
4L60E maintenance?
Replies
9
Views
350
PNW VietVet
PNW VietVet
donjetman
Fresh LS3
Replies
0
Views
38
donjetman
donjetman
Geotrash
Good reason to run a 6.2 on premium fuel
3 4 5
Replies
41
Views
917
wsteele
W
E
Broken intake valve at 113,000 miles
2
Replies
18
Views
363
wsteele
W
B
“Service Four Wheel Drive”
2
Replies
12
Views
790
Bill 1960
B
B
2009 Tahoe AC blinks three times and will not come on
Replies
6
Views
301
John H Daniel
John H Daniel
sctrl
Clunk sounds when shifting into reverse or drive
Replies
6
Views
125
swathdiver
swathdiver
M
Frustrated! Power Steering problem please advise
Replies
7
Views
278
Swaggerwagon
S
5strmtrp
Not totally sold that the trans is shot.
2
Replies
15
Views
766
Swaggerwagon
S
G
Question: Should I change ATF fluid and Trans filter for the first time at 150k miles?
2
Replies
11
Views
178
donjetman
donjetman
M
Oil Drip from PCV/Intake issue? Anyone experienced this?
2
Replies
13
Views
456
donjetman
donjetman
Charlie207
2014 Yukon SLT 4x4 5.3 - Ring & Pinion questions
2
Replies
14
Views
193
Charlie207
Charlie207
sctrl
Vibrations maybe bad motor mounts
3 4 5
Replies
40
Views
1K
wsteele
W
PatDTN
Starter Struggles Solved
Replies
8
Views
205
Geotrash
Geotrash
Marcos Jaime_MJ
2007 Tahoe 5.3l AFM DOD delete thread
18 19 20
Replies
191
Views
11K
wsteele
W
B
*Normal* Cooling System performance or not?
2
Replies
15
Views
247
Bill 1960
B
7
Confusing Starting Problem
Replies
7
Views
363
BigBlueLB756
BigBlueLB756
D
DOD/AFM Delete Valve questions
3 4 5
Replies
41
Views
1K
Geotrash
Geotrash
jeremiahm
Charging system upgrade
3 4 5
Replies
49
Views
4K
1BADI5
1BADI5
T
2011 Yukon XK Denali Towing/Heat/Temp issue
Replies
3
Views
155
Foggy
F
Greybullit
2007 Yukon 5.3 Burned a hole in #5 Exhaust valve
Replies
2
Views
205
wsteele
W
C
P0102 p0113 p0304
Replies
4
Views
132
wsteele
W
randyg
Service Stabilitrack light on
2
Replies
11
Views
365
Fless
Fless
Costal_Cat
On first start nothing then after a minute will turn over
Replies
9
Views
199
Larryjb
L
randyg
Start Towing with 114K miles on my Yukon?
6 7 8
Replies
70
Views
4K
swathdiver
swathdiver
Q
My 2012 broke down for the first time
2 3
Replies
20
Views
1K
PNW VietVet
PNW VietVet
W
Ethanol percentage flex fuel
25 26 27
Replies
261
Views
7K
wsteele
W
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