• Northstar Headgasket/Bolt Failure? Please let us know
• Root Cause of Head gasket Failure and a Fix?
• Everything You ever Wanted To Know About Cooling System Sealant Tabs
• How To Pull Codes
• 97 sls shifting problem
• cooling fans come on at what temp?
• Valve Stem Seal Puller
• Recent Stud Kit Customers - READ THIS PLEASE
• Sucessful Northstar head gasket repair in a bottle
• Tricky Coolant Leak
• Deleting govnor on a 2000 eldorado????
• Coolant Change Help
• Priming the oil pump
• Investors needed. Big time.
• head gasket replacement in louisville kentucky area
• Service Engine Soon Codes 1022 & 1122
• Confused as hell
• headgasket being repaired
• ATF Question...
• 2000 DTS plugs and hoses - tough job, I think
• Head Gasket Repair, now noticed block is cracked
• What tools do you need for a hg/engine pull job
• add torque struts(dog bones) to 99 seville
• HELP My mechanic says I have carboned lifters
• 1999 Seville SLS hard start P1350/P1375
• head gasket help!!!!!!
• 98+ STS brake upgrade?
• Resetting Timing after Head Gasket job.
• Turbo Charged 99 STS
• Cadillac Engineers please help us!
• headgasket need used insert kit
• Catalytic Convertor Clogged
• Dumb head gasket question
• What color are stock gaskets?
• Transmission cooling
• how do i change my idle
• New England area Northstar mechanics? (Head Gaskets)
• Idle at 3000 RPM HELP!!!
• You'll never guess what I broke today
• added power?
• New Eldo Owner: Speed Limiter Question
• northstar crank sensors
• FPR acting up
• Email conversation with HEAL-A-SEAL
• Working on mama's Caddy. Need help with O2 Sensor
• Spark plugs
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• 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
• High mileage oils
• Enginge doesn't crank
• 97 N* Shaky idle
• 4t80e side cover drain
• 06 DTS crank seal leaking
• Wot?
• 05' STS. Little help with P0102 please
• Coolant Supply Line
• Best way to clean the engine bay?
• Northstar Repair without inserts
• '98 STS stumbles and misses (NO CEL)
• "Tic Tic Tic" sound on 02 SLS
• 1993 Cadillac sts 4.6 idle fluctuating
• MAP sensor keeps going bad - 94 N*
• P0420 code
• 2004 dhs starting problem
• Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
• Is this guy being honest with me? video of a SEIZED ENGINE!!!
• Changing Spark plugs and Spark plug wires (Tuneup)
• Air conditioning compressor clutch bearing
• Manifold Blowoff Leaking - parking break stuck
• 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
• 95 STS fluctuating rpm and slight bogging while driving
• Idles rough after being started in the morning
• P0171 - P0174
• Chocolate Milk in the oilpan
• 110,000 miles, what else should be done along with head gaskets?
• SLS engine and trannie in a STS?
• Head Gasket?
• Seville 03 shaking problems after tune-up.
• Only overheats when the AC or the heat is on....
• 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
• Flashing SES/P0300
• Changing spark plugs on a Northstar
• Idle Too Low P0506 New Throttle Body?
• Breakthrough for anyone with bad exhaust cams
• That's a lot of smoke! (exhaust)
• 96 Aurora 4.0
• Mobile 1 Clean High Mileage
• thermostat housing gasket? 99 sts
• 6 oil leaks; gaskets replaced now intake plenum boot replaced..
• Fabricated Torque Strut for the 2000+ Norhtstar
• HeadGasket Repaired - cost $1500 - but more problems?...
• 4t80E shift solenoid part #
• Heater Core Inlet Connector O-Ring Leak
• 2000 DHS exhaust smoking and running poor
• Northstar mechanic on Long Island?
• o2 sensor---good/bad ?????
• B0149
• Oxytane?
• Damned Motor Mounts
• Code P119
• Weird Noise
• Aftermarket Temp. Gauge
• 95 Eldo headgaskets?
• Any thoughts on this...
• Documenting a swap: N* 4.6 / 97 STS
• Coming back home
• Ways to increase performance?
• new northstar
• PCM P0410 Secondary Air Injection System Malfunction
• Head Gasket Repair At Your Location!
• Woohoo...Head gasket repair is done
• 2000 cadillac deville dts P0300 code
• Heartland High Mileage Oil Changer Review
• Stud Kit Success!!
• another newbie HG question
• 4 Engine Questions
• 208 at 40+ 212 at <40
• Another Wont crank issue
• Just bought a 98 Deville, was overheating, am I paranoid?
• tap for time serts
• Batman's Northstar
• Tufoil?
• loss of power overheating issues HELP
• low oil pressure
• Another visit to the track
• Interesting find
• 95 sls n* solenoid clicking
• Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
• Steering joint bolt
• Valve cover bolts???
• 1998 Deville acceleration slip
• Destroying a N* Engine
• Radiator leaks and engine runs rough, no codes
• My bone stock '98 STS pulled a 14.95 in the 1/4
• Front hydraulic motor mount
• 93 STS Lots of smoke after fillup
• New '98 Deville Owner with coolant questions
• 98 STS airbox mod?
• Ethanol Blends
• Timing mark clarification
• Engine in the car repair... how many gaskets?
• I can't get the CV joint to separate from the Trans
• 1993 Caddillac Eldorado - Timing Chain Issue
• NEW - 2002 Head Gasket Failure - Best Fix...
• Problems removing head dowels
• Head Gasket Paranoia
• shift points???
• Engine 'misses' at stoplights
• How to install Nitrous the correct way! I need input
• Nitrous Help: 01 DTS
• 98 Eldorado Starting Problems
• Torque Converter Clutch (p0741 tcc stuck off)
• Tuning up the engine.
• 95 vs 99 Northstar
• 2005 DTS Twin Turbo project??
• catalyst converter replaced
• Check Coolant Level
• Super Noob needs help overheating
• Exact oil filter wrench for 1996 Seville SLS
• Head stud kit
• The first head gasket failure - 1 out of around 90 or so
• WIll a 98 vin 9 motor go into a 94 STS
• Slight stumble, no codes
• Any thoughts? Code P1350 p1375
• Head gasket removal, best practices
• Prevention of Headgasket Trouble?
• Intake Manifold Removal, '97 SLS
• 01 deville o2's locations?
• 4.6 Prevention and maintenance for longer life IE head gaskets.
• where to get my head gasket repaired?
• What could it be?
• Northstar Oil Leak
• No pcm data
• Check out my Headgasket Job in the car!!!!
• Lifter starting to tap and needs replacing,
• No pcm data?
• AC Delco platinum plug gap settings for N*
• How to properly switch from red to green in a 2000 STS
• p0340 camshaft position sensor
• Failed Smog Emissions Northstar
• Head Bolts...
• 02 DHS overheating
• Tuning thread. Disappointed, but I understand.
• Engine Shaking
• Exchange fluids how often?
• looking to buy a Caddy
• how do i get my car to northstar preformance, uh cheaply?
• High Mileage Northstar Thread: Who can beat me?
• 1998 Seville STS Performance Engine Build - STAGE I
• barS headgasket repair, has anyone tried it?
• Thoughts on Dex-Cool and Head Gaskets
• Lucas Oil Stabilizer
• 97 Deville wont start in the morning
• Water Pump Issue
• 95 SLS throttle body vacuum plug
• Rough idle and low speed chug
• STS Radiator Hose Replacement
• A kitten caused my Serpentine Belt to come off
• Water pump Purge line?
• Secondary Air Injection Check Valve... Bent?

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