- alternator
- TrailVoy diffs same as H3?
- Head Gasket Replacement
- Oil Life Monitor/indicator/sensor
- Cool pic, inside of the 4.2L oil pan.
- Gas Mileage SUCKS
- Powerbraking...
- CEL Flashing - pulled codes...Help!
- uneasy recover after rev
- Oil filter observations..
- Anyone with 5.3 or 6.0 re-set fuel trims? More pick-up!!!
- better mileage out of a I-6?
- Advise on which brand of scanner
- BDS lift kit
- Fan Clutch: OEM or Aftermarket?
- service engine soon light
- Looking for info...
- Really need some tranny help
- Dashhawk on 4.2 I6 question
- Where Front Axle Reservoir is?
- RPM's @ Cruising Speeds....?
- whats that part on the front grille that
- Best fluids for driveline
- Humming Noise
- busted my rear
- Front End vibration while turning
- New member seeking help Knocking noise
- replacing fan CLUTCH
- Finally, 1 good sign
- help asap please
- clunk is what i hear
- Locking Differential or Limited Slip?
- Looking for some good topend photos
- 3.42 vs 3.73
- Towing question about the I6
- The G80...
- SES Light - Question
- SS Rim and Performance ?
- driving with e-brake on
- Obdii
- Rear Hatch got Jacked Up!
- E85 instead of petrol in a trail?
- How much HP can the stock tranny /clutch hold?
- 5.3l 2004 engine swap
- 4.10 gears for $229.00
- aww my first real code.
- pop goes the weasel
- I6 Power band....why?
- vortec 4200 racing engines
- Serp. Belt Part Number?
- all 04 trailvoy owners
- junk yard 4.10s
- alternator ?
- stomp and wait..then go
- Map Sensor
- G80 Part number....
- cranking really slow when started
- 03 Trailblazer towing/downshift problems
- Synthetic Oil for High Miles?
- Anyone in SE Michigan with a Tech 2?
- Auxillary Emissions Control
- Whistling from Airbox
- 25mpg on 04 xuv, more testing coming soon!
- power steering pump pressure?
- Spline count
- Pulled my files (Scarabepic)
- What version PCM?
- Gearz TV
- Easy MPG GAINER
- Acceleration on the Highway, advice sought.
- Check Engine Light
- If i was to sell my truck
- it's oil time
- G80 install
- Downfall
- MPG thread, only 2002 TB'S info
- oil pressure???
- look what I found.
- Stalling
- would the A/C effect my speed?
- Service engine light just came on
- Envoy xuv i6 motor sounds like a school bus!!
- Towing Weight?
- Whats the deal with Spark Plugs...
- gears question
- FEDEX love them.
- MPG Improvement with ECM?
- 2005 TB L6 warm up time question
- Oil change??
- If I'm under the recall numbers
- AnyONE IN SOUTH FLORIDA??
- How do you tell...
- Differential fluid changes
- Rear axle/tires seem to be lagging???
- Any Mechanics?
- odd noise
- My TB's new engine story!!
- Couple newbie questions!!!
- big enough?
- 03' Trailblazer DTC C0281
- Shady A/C switch
- new member
- Check Engine Light
- PCM
- Locking rear diff...
- diff fluid change with the G80
- Operating Temp high
- Funny noise I need some help
- Finally Replace the Wheel Bearing
- Need Help! Engine light.
- Running rich all the time...
- Gas mileage while towing a camper
- 20 minutes for a CASE relearn?
- Exploded views ???
- Stinky A/C and Hi
- i need help with my o4 trailblazer
- Axle Ratio Question
- 2004 Trailblazer LS
- dead envoy
- U-joints at 98,000 miles?
- Relay orientation, help.
- front driveshaft turning?
- G80 differential install
- better sound
- E85 Ready?
- Drain/fill plugs on T-case
- 4.2l life expectancy and required repairs
- Dealer repairs
- G80 Demo Video on YouTube...
- am i dumb
- passenger door
- '06 TB won't start
- u-joint factory warranty item?
- how do i do this
- Trailer Brake Question
- 05 4.2L swap into a 02 Bravada
- OMG!! Did I Screw Up My Tranny?!
- Engine noise
- Ok I'm a little lost for words with this MPG....
- tranny blown after 29k?
- Aeroforce Gauge
- Rear end blew after 14,000 miles Need everyones advice please
- How to figure out size of rear end i have?
- dealer called me this afternoon
- Gear Ratio
- TM question
- I had this crazy idea...
- Rear end is out, need help ASAP! PICS
- what are these ticks/clicks/noises/clunks?
- 4.2 Differences
- Isuzu ascender problems already at 60 miles
- Power Steering Flush
- 5w20
- I6 tunes
- V6 Power?
- Anybody Cold?
- Inner bearing/axel disconnect assembly
- TQ management
- How hard is it to change the oil on I6?
- corvetter servo
- Gearing Question??
- Question about 2005 I6 HP
- More power needed.
- Engine coolant change
- Whay is it.
- Adding a O2??
- Something strange happening
- 4.2 Oil Cooler
- squeaking sound
- New Struts!
- Got my hands on a G80 differential...
- Note: Misfire Codes
- Track Times
- ran out of gas
- Fresh from the Dealer...AND WORSE!!
- Need help with belt noise
- Bassani Driveby
- Check Engine Light (UH OH)
- Dash noise
- Something is wrong! I need HELP!!
- Screech on Hard Acceleration? Thoughts?
- 15k service....
- Scratch another Mod off my list
- broken manifold bolt
- high compression
- Bump between 1 and 2
- change oil, dealer or not?
- edge products
- Help from the Roadie Requested
- Help with PS Pump
- engine dying help please
- 2005 I6 Envoy Do these engines have a pcv
- MGA 4200 Swap
- Well, I think I'm going to have to bend over for the dealer this week...
- I beat an F-150 tonight!
- Looking to buy need some feed back
- Idler Pulley Question
- do these actually work?
- TB/Envoy 2002-2003 full diagrams available
- Revving Question
- engine stall?
- turning traction control off
- Wheel spin ?
- Engine oil light
- Cat is getting plugged AGAIN!!
- Just found on E-Bay!
- power brake
- Quick question with setting idle
- 2004 Envoy Fuel Filter Location ??
- Anybody tried Lucas Semi-Synthetic ATF?
- Trailvoy wont burn rubber
- spark plug lowcal
- High Idle question
- MPG...
- Maintenance on Diff's
- Need help finding a 2004 TB TSB for PCM re-flash
- New guy needs some help....
- Trans Flush at 130K?
- Who's gettin' the worst MPG out there??
- Fan Clutch
- Battery Question....
- 22" wheels installed tranny sounds funny/speedo gauge
- Passenger airbag off
- Any Preventiave Maintenace to extend life of 02 TB?
- How cold are you guys?
- Best way to launch AWD
- only 200 miles on tank of gas
- Yeoman
- DTC p0172
- Weird noise..Is
- What does the G80 mean?
- oil pressure
- ready for computer reflashing
- Who would spend $200.00
- Temperature Resistor Tuning ??
- Drivetrain Service
- Need 02 TB Diff info...
- Help with a check engine light
- Spare Tire Tank / Autogas
- 05 Trailblazer chugging
- Found Oil On My New Cemented Driveway
- Tb Adjusting To 22 Inch Wheels
- 2005 Envoy Differential problems
- drive goes nowhere
- [7/17] Huge Voltage Fluctuation
- Power???
- Cost for work done at Dealer ??
- Which way is best?
- hyper ground wires
- Detroit Area Trailblazer?