: Northstar Engines and System Technical Discussion



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