: Northstar Engines and System Technical Discussion



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