: Northstar Engines and System Technical Discussion



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  1. 98 Deville D'Elegance Stays At 222 F
  2. 1998 Eldorado - DexCool mix
  3. Size of hose used to connect heater line tubing
  4. 99DeVille_NrthSt*r's Project Thread
  5. 97 Deville Concours - Rough Starting
  6. Top pullers, I need help with a bolt
  7. 99 DeVille Electrical Harness
  8. 96 deville crossover gasket
  9. The best sealant for the oil pan gasket
  10. Vacuum Leak after WOT (P0101) - 2003 STS
  11. Does anyone know a good Cadillac mechanic in the NYC area
  12. Great deal on Rear Main Seal installer... but better hurry!
  13. Head Gasket Kit Verification
  14. Is it worth it?
  15. Results of coolant in oil
  16. 2000 Deville shakes at Idle, No DTC's
  17. Engine block cracked - Northstar Performance, where are you ?
  18. Cradle swapping possibilities
  19. Non Production VVT Northstar
  20. Head Gasket Questions
  21. Another overheating northstar....
  22. Northstar interesting stuff....
  23. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  24. Northstar Water Pump Housing Replacment
  25. my 1995 Cadillac Eldorado Overheating
  26. Seafoam - do you use it?
  27. Another N* Oil Pump question
  28. 2005 DTS Head gasket still a problem?
  29. Gforce performance "chip" ?
  30. SureGrip studded Eldo for sale?!!
  31. I'm relocating,,,,new complaints section....
  32. Remote key fob
  33. oil manifold question
  34. How do you clean ring grooves on pistons?
  35. Video. For those who want to see CNC machining in action.
  36. Plugs - Spark plugs for a Northstar ??
  37. Want To Buy N* stud tool kit
  38. What happened? Stored 1996 Deville engine knock
  39. Northstar head gasket repair
  40. WOT problem and P0300 - 2000 Eldorado
  41. Marks Turbocharged 99 STS
  42. water pump leak after replacing pump/seal
  43. Missing shield in cam cover?
  44. tight northstar cam chain
  45. front motor mounts
  46. northstar studs
  47. 2000 Deville - high pitched whistle
  48. 99 Deville HG job 4-2012
  49. I have a set of studs available if someone needs them thanks to my previous thread
  50. DIY Northstar Head Gasket / Crankcase Leak Repair
  51. 1997 Seville temperature problems
  52. How to tell if head gaskets have been done before?
  53. Need top compression ring 98 N*....ugghhh
  54. 18mm Northstar Crankbolt needed
  55. 98 Eldorado replacing Engine Torque Mounts
  56. Troubleshooting help
  57. New Northstar Crate Engine
  58. Valve stem seal tool?
  59. Code P070 with stalling and surging-TPS or ISC?
  60. Huge thanks to Joe at Midwest Cadillac Repair
  61. Factory air intake question
  62. Bent pushrod - valvetrain noise ?
  63. '01 DTS Misfire.
  64. Thread size for Jake's studs?
  65. Drive Train Hum & No Overdrive
  66. Towing in third gear
  67. 2004 Deville PCM
  68. 01 Deville OverHeating Issue
  69. Please help diagnose my cooling system problem
  70. Overheating
  71. Is there an alternate way to lock the flywheel?
  72. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  73. Coolant Reservoir Overflow Line
  74. N* Upper to Lower block half sealing procedure.
  75. To re-seal or not?
  76. How do you SAFELY clean the valve covers?
  77. 98 ETC Head Gasket project started today...
  78. 2002 Eldorado ETC Head Gasket Project
  79. 97 N* Crank Pulley / Oil Pump Torque setting
  80. WP cam price
  81. 2001 Deville VIN Y - head gasket repair on Long Island ?
  82. Anyone want to compare MAF readings?
  83. serp belt
  84. Question about the Northstar PCM
  85. 96 Sedan De Ville V8 Northstar Over Heating
  86. po 300, po 507 need help asap!!
  87. 1997 STS N* connecting rod stamped number
  88. Is there an on-line breakdown of N* engine parts with GM part numbers?
  89. Torque specs on fasteners - torque angle?
  90. Northstar headbolt spacing/ pattern
  91. 95 eldorado 8th letter of vin is y
  92. Recently purchaced 2003 Cadillac Dev
  93. engine swap for a 2000 dts to a 2003 devell can it work i
  94. Jake, I REALLY, REALLY want to give you some money!
  95. Saga of a naive Head Gasket repair
  96. Cracked block!!!!
  97. What causes a headgasket failure?
  98. Spark advance/knock - What is tolerance?
  99. Towing with 02 Deville
  100. Northstar Temp sensor & Lock up converter ?'s
  101. P119 and p080
  102. Another (slightly different) Northstar oil consumption question.....
  103. holley injector harness
  104. Northstar oil pump failure
  105. 4.6 Rod Clearance
  106. Determining Headbolt Thread Pitch
  107. Thank You
  108. Scratched Wall
  109. 4T80E Electronically controlled torque converter clutch
  110. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  111. Feels like a miss?
  112. Need some advice for Northstar car purchase...
  113. need help with rough running northstsar
  114. '03 DeVille - Slight shudder under initial acceleration
  115. how can i check if head gasket leaks
  116. 1994 Deville Concours Ignition Control Module Replacement
  117. Get it while you can..........
  118. Backfiring issues
  119. Rear main seal install tool confusion
  120. surges/sputters while driving, but idles perfectly fine?
  121. Code P041 and Code P025 in 1994 Deville Concours
  122. Northstar 4.6 Overheating
  123. Differences of studs vs. Timeserts
  124. 94 deville concours northstar catalytic converter redhot and stalls
  125. dipstick level, which side to believe?
  126. 2002 Eldorado coolant flush what kind?
  127. Heated Seat Issue..Please Help!
  128. Running on 4 Cylinders..not in Overheat mode
  129. 2002 Deville, White Smoke when Ideling
  130. 1999 Deville w/ Northstar coolant issue
  131. Another 2000+ head gasket failure
  132. 01 Deville DHS N* Repair in DFW Metroplex
  133. SureGrip stud kit / jig combo allignment?
  134. How hard to try to pull the head bolts on Northstar?
  135. How do I pull the airbox in my Eldo?
  136. 2000 Deville Crank Sensor Problems.. Please help if you can..
  137. ethanol or not
  138. Areas to look at while doing a HG repair
  139. PCM/EBTCM Pin Diagram, 2001 SLS
  140. Jake, wish you best of Luck !!
  141. What wire for the Speedo?
  142. Time sert kit kit # 500
  143. Torque Converter Whine
  144. PCM and engine switching
  145. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  146. timeserts
  147. Northstar removal
  148. Blocks, cracks and heat
  149. Please help: 1996 deville hard starting ?
  150. 2000 Deville using oil
  151. 2003 Deville engine start problem
  152. What exactly is a "base model" Deville ?
  153. need to replace flywheel
  154. Service engine light
  155. Possible to run northstar on an engine stand or outside of the car?
  156. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  157. A few codes to clear up (02 Deville)
  158. Northstar Camshaft Wear - Common? Cause?
  159. My 98 Deville N* HG repair adventure !!
  160. northstar engine several issues--need major help
  161. Water pump removal
  162. Northstar coolant leak
  163. More Northstar repair services......ENJOY
  164. Shell Rimula R6 ME 5W30
  165. Camshaft pulley removal
  166. P0300 Code goes off at high rpm.
  167. Turbo'ed 98-04 STS N*
  168. 99' cadillac head gasket problems
  169. Fuel Injector resistance 1994 Northstar motor
  170. Northstar Main Studs-
  171. $575 99 Seville project Car overheating
  172. My Little Northstar engine Project
  173. Trans question p0748 after trans repaired by rebuilder
  174. 1994 Deville Concours PCM Replacement
  175. 94 Deville Concours PCM Codes P041 and P119
  176. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  177. prospective owner with HG question
  178. tcc solenoid need help asap
  179. egr blockoff
  180. 01 eldorado ESC "hard" starting and once wouldn't start
  181. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  182. Direct Injection - Technology Question
  183. Bought the '97 etc replacement
  184. Advice from some repair guys on cleaning processes
  185. 94 STS head gasket question
  186. Doesn't seem to be the head gasket but still overheats
  187. Looking for HG Repair Shop in Southeast US
  188. evap solonoid
  189. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  190. 1995 elder northstar cooling
  191. how to change camshaft position sensor on 1997 sts
  192. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  193. 1994 SLS Northstar running rich and stalling
  194. Front seal is leaking
  195. Thorttle body problem and code p2135
  196. Ignition drop-outs
  197. L37, ld8, l47 & lx5
  198. My 98 Deville with straight pipes... what do you guys think?
  199. hg repairs
  200. Wierd Temperature spikes 02 deville
  201. There was a thread or sticky that was all about engine oild and dino or conventional
  202. Oil pump prime
  203. Motor Mount project
  204. Hello Everyone, I need help with getting an engine......
  205. P0304 Misfire cylinder 4
  206. N* picky about motor oil?
  207. Timing chain seems loose on a 4.6L Deville.
  208. 99 deville fans just stop both of them
  209. Replacing a TPS in a 99 Deville?
  210. 2000 Deville Idle Relearn
  211. Polishing Cam lobes?
  212. Northstar Tuneup
  213. Felpro intake manifold gaskets
  214. PCM Codes P0171 and P0174
  215. 100 Cadillac head gasket repairs completed
  216. NorthStar Engine Block Crack Have you had one What year and how did it crack
  217. 4.6 N* Crank shaft / oil pump question
  218. hard starting 1997 sts
  219. air in coolant system?
  220. more electrical gremlins
  221. No fuel pressure
  222. Photos of the CNC turning center-
  223. 98 STS White smoke on accelation
  224. Should I have my brand new, never fired 4.0 long-block studded?
  225. Found my coolant leak
  226. Oil pump seal/oring
  227. Looking for a SPECIFIC N* Removal Guide
  228. Remote start and push button ignition
  229. Consequences of driving with failed HG
  230. How to space piston rings
  231. Cam journal caps broke
  232. Should I replace PCM? Need 2nd & 3rd opinions
  233. New owner of 1997 Eldorado, many questions
  234. N* To pull or not to pull, A/C is the question.
  235. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  236. Northstar PCM Tuning
  237. Cross over gaskets ?
  238. Smells like exhaust in antifreeze again............... ?
  239. Disabling air injection system in 2002 engine?
  240. Couple of problems with my 94 Seville.
  241. 1994 cadillac seville Spark plug change
  242. Bad head gaskets or user error?
  243. northstar pre-trip opinion
  244. Source for engine internal parts?
  245. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  246. If Engine has been Studed can you Remove the heads and put the heads back with in car
  247. So where is my oil level sensor?
  248. Curious. . .crankshaft position sensors, are they reversable?
  249. Bad mileage
  250. Taking Pre-Orders for bottom end stud kits-