: Northstar Engines and System Technical Discussion



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