: Northstar Engines and System Technical Discussion



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