: Northstar Engines and System Technical Discussion



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