- Aren't dealers great?
- Fuel Tank size?
- Stuck in Tow Mode then CEL next day
- Exhaust brake with Duramax/Alison
- CT dealer
- Advice on buying an extended warranty
- Duramax Warn Up
- '06 LLY MPG Report
- low voltage for long time at startup...
- Your opinions on this truck please
- Turbo
- Threw U1301 Code does anyone know what it is?
- What is the VIN code for LBZ and Crew Cab?
- LLY harness Pins
- need help plz!
- Fuel Milage with the LBZ
- express lly boost
- Sweating oil seal...
- What is it?
- Odd noise
- new Dmax owner, whats next?
- Engine Weight
- Engine Died!!
- Going to 5" exhaust on the LBZ, do I really need the finger?
- fuel tank help!!
- Poor fuel milage, any suggestions
- Fuel Mileage
- turbo timer
- Rear Window Defogger Standard 07 LT3??
- question about shutting off my truck...
- Threw U1026 and U1064 @ idle
- Could really use an explanation...
- Noise @ shutdown revisited
- When to plug in block heater?
- Blocker Plate And Finger
- Engine winter cover
- bad fuel????
- General questions on 06
- what should be my first mod?
- quick question
- 5 MPG lost after glow plug recalibration....
- 2007 on lot...which engine?
- Installed Gatorback belt, now check engine light on??
- oil pressure
- one year later all be good
- LBZ rough idle
- Indication of needing to change the fuel filter?
- Fuel Filter location
- Wait to start?
- Blowing smoke at a stop
- Gatorback Part # for LBZ Dual 105 Alternator
- Water separator???
- ses light,2 codes and limp
- General engine question for new owner.
- EGR Blockers and Finger Sticks
- i want smoke
- Threw out a cloud last night.
- Started my LBZ -37 degrees C this morning!
- Air intake heater question
- Order of weak links?
- How do I check service history on used GMC
- Egr Problem Found
- Need Help Truck Is In Limp Mode
- When does the high idle kick in?!?!
- 11,500 miles and the Fuel Filter...
- Looking at used truck that had glow plugs replaced
- Fast idle when warm ???
- 6 speed maunual or 6 speed automatic?
- CEL and stuck in tow haul
- whats the optimized operation temp on motor
- Fuel economy went into the crapper and knocking noise
- I Rarely See The Glow Plug Light
- 1 year later, 5 trips to the dealer for engine codes and no repairs.....
- Left truck at dealer for bad fuel leak
- Gas mileage seems to getting worse
- Fuel Filter Life
- Goodyear Gatorback belt, part number?
- Egr Cleaned?
- Need MPG Help....
- How many of you went from 05-06 LLY to an...
- What did I do???
- temp is cooler now
- Intercooler hose popped off?
- Block heater
- How do you identify an 06 LLY?
- New Truck Purchase, Suggestions (Mileage,Etc.)???
- Stock Exhaust Drone... (Again)
- What's the order cut off date for an 07 classic LBZ?
- VAN: what would cause fuel filter to plug up so soon?
- bLOCKED AND FINGERED?
- 2006 LLY getting noisey
- Causing Turbo Bark
- Honest Answer's
- Help! P0402 Code
- shutdown noise ???
- 2007 GMC 2500HD CCSB 4X4 getting 13.5 avg MPG??
- plug in - all night?
- big change in one tank of fuel?
- Warrantee (Gauges)
- 4wd and new truck price
- 2006 LBZ - Block heater and/or Cold Weather Bra throwing codes
- Throwing Codes
- Good Feeling!!
- Tsb 3491
- Safe power?
- New Toy Hauler...1st time towing...woo...woo
- disappointment
- Finger/blocker
- Engine fires?
- 06 LBZ Smoking when idoling
- bypass filter alternative
- CEL and no codes on scanner
- Diesel Mileage......Brand New!!!
- Egts
- Fuel Filter Question
- Lbz & Lly
- What LLY do I have?
- Honestly
- Dtc P2200
- gatorback belt
- Clicking Sound on Start-up......???
- Want LBZ not LMM how do i tell
- Online Service Manual
- Coolant in Oil ??
- ""SEL" and "Codes" - What are they?
- Observations
- Oil Pressure
- LBZ Serpentine Belt Replacement
- Is there a Better way?
- Changing belt
- PO852 code
- What is the "Reflash Code" when block heater is used?
- 06 lbz turbo prob.. have absolutely no boost at times!
- Use of the block heater above 0 degrees???
- Will Oil Pan Heater throw a code on 07' LBZ like Block Heater
- egr issues after being blocked?
- Belt squeeking issues on LBZ (chirp)
- Slow-Dead battery cranking when its below 15 degrees??
- 07 classic Sierra/Silverado with LBZ....w/ 07 Emissons?
- driveshaft yoke leaking oil?
- Opinions
- Check engine light on?
- "Silent Codes"????
- Egt Probe, Pre Or Post Turbo Questions
- I hate my truck!
- 2007-Classic...better Warranty???
- Winter cover?
- LBZ falls on face?
- 06 and 07 LBZ differences
- Limiter 95mph ???
- 3500 weight
- Most Miles
- Check Engine
- Winter Prep
- 16K, 20 MPG from Albuquerque to Dallas..
- Oil Guage Question
- Best Mileage yet.....18.2 mpg
- Need help. Engine won'at stay running
- Engine Ticking TSB
- remote oil filter head`
- service in San Diego area
- Been a while but i,m back
- fuel filter?
- Limp mode tonight...
- Noisey engine fan?
- Hard shut off??
- check engine light?
- 07 classic and rpm red line.
- My fuel mileage sucks!!!
- Just died!!!
- waste gate question
- Tas Switch
- long range fuel tank
- Just wonderin
- code
- 2100 miles cel on
- Trucks parked at dealership......
- 07 lbz blower sound bad or good?
- EGR Codes.. Why?
- No power steering or brakes
- P2610, P0381, & P0650!!!
- Oil pressure gauge ?
- newbie here.
- burped the turbo ???
- What does this mean
- Fuel
- not to bad
- vibration at idle
- Thump when at idle.
- Noise?
- 2nd Generation vs. 3rd Generation LLY
- 2006 2500hd diesel mpg
- HELP...OEM Air-Filter
- How accurate is your DIC?
- 06' Duramax knocking?
- Changed fuel filter. Fast question
- Holly Smoke!!
- LBZ Over Boosting?
- Oem Turbo Sensor
- New to trucks
- What kind of mileage is consider broke in?
- Are 06 LLY/LBZ injectors the same as 05 LLY and LB7
- get cel then gone
- Mileage
- LBZ oil leak at 10,000 miles?
- Freeway passing
- Check eng lite on cannot find link
- whine
- Any Good Shops in Tampa Area ???
- question for all
- In the Market for a new truck.........
- Passenger Side Head Gasket Question
- Conversion truck.
- Block heater
- Throwing trouble codes
- 2007 LBZ Block Heater or Not?
- whats normal egt - boost ?
- Finally, 20+ MPG
- Engine vibration
- 07 2500HD "Smokes"
- mpg increase after break in
- 2006 LBZ with 15K Miles
- LBZ PCV bypass
- Cummins owner turning LBZ Owner
- sounds like the fan is running
- after sitting overnight billows blue smoke when started?????
- confused about egr
- Trouble with Duramax?
- P0128 error ??
- fuel milage
- milage on 450 mile trip..
- LBZ Engine Tone at warm-up?????
- Exhaust Drone
- Impressive mileage
- LBZ Has More Engine Noise at 14K Miles?
- duramax diesel motors consume oil ???
- First fillup w/lbz= me happy
- Two Codes
- p01093
- Engine Block Heater / Lesson Learned
- Wierd Noise = Lots of Smoke
- Port for Engine Oil Temp Sender
- "Failed Comm. w/TCM"
- 07 silverado classic motor light
- Po46c code!!!!!!!!
- LBZ dual Clutched alternators??
- Fumes
- Codes and RW power
- LBZ Oil Pump
- 2006 LBZ break in period??