: Northstar Engines and System Technical Discussion



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  1. Top pullers, I need help with a bolt
  2. 99 DeVille Electrical Harness
  3. 96 deville crossover gasket
  4. The best sealant for the oil pan gasket
  5. Vacuum Leak after WOT (P0101) - 2003 STS
  6. Does anyone know a good Cadillac mechanic in the NYC area
  7. Great deal on Rear Main Seal installer... but better hurry!
  8. Head Gasket Kit Verification
  9. Is it worth it?
  10. Results of coolant in oil
  11. 2000 Deville shakes at Idle, No DTC's
  12. Engine block cracked - Northstar Performance, where are you ?
  13. Cradle swapping possibilities
  14. Non Production VVT Northstar
  15. Head Gasket Questions
  16. Another overheating northstar....
  17. Northstar interesting stuff....
  18. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  19. Northstar Water Pump Housing Replacment
  20. my 1995 Cadillac Eldorado Overheating
  21. Seafoam - do you use it?
  22. Another N* Oil Pump question
  23. 2005 DTS Head gasket still a problem?
  24. Gforce performance "chip" ?
  25. SureGrip studded Eldo for sale?!!
  26. I'm relocating,,,,new complaints section....
  27. Remote key fob
  28. oil manifold question
  29. How do you clean ring grooves on pistons?
  30. Video. For those who want to see CNC machining in action.
  31. Plugs - Spark plugs for a Northstar ??
  32. Want To Buy N* stud tool kit
  33. What happened? Stored 1996 Deville engine knock
  34. Northstar head gasket repair
  35. WOT problem and P0300 - 2000 Eldorado
  36. Marks Turbocharged 99 STS
  37. water pump leak after replacing pump/seal
  38. Missing shield in cam cover?
  39. tight northstar cam chain
  40. front motor mounts
  41. northstar studs
  42. 2000 Deville - high pitched whistle
  43. 99 Deville HG job 4-2012
  44. I have a set of studs available if someone needs them thanks to my previous thread
  45. DIY Northstar Head Gasket / Crankcase Leak Repair
  46. 1997 Seville temperature problems
  47. How to tell if head gaskets have been done before?
  48. Need top compression ring 98 N*....ugghhh
  49. 18mm Northstar Crankbolt needed
  50. 98 Eldorado replacing Engine Torque Mounts
  51. Troubleshooting help
  52. New Northstar Crate Engine
  53. Valve stem seal tool?
  54. Code P070 with stalling and surging-TPS or ISC?
  55. Huge thanks to Joe at Midwest Cadillac Repair
  56. Factory air intake question
  57. Bent pushrod - valvetrain noise ?
  58. '01 DTS Misfire.
  59. Thread size for Jake's studs?
  60. Drive Train Hum & No Overdrive
  61. Towing in third gear
  62. 2004 Deville PCM
  63. 01 Deville OverHeating Issue
  64. Please help diagnose my cooling system problem
  65. Overheating
  66. Is there an alternate way to lock the flywheel?
  67. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  68. Coolant Reservoir Overflow Line
  69. N* Upper to Lower block half sealing procedure.
  70. To re-seal or not?
  71. How do you SAFELY clean the valve covers?
  72. 98 ETC Head Gasket project started today...
  73. 2002 Eldorado ETC Head Gasket Project
  74. 97 N* Crank Pulley / Oil Pump Torque setting
  75. WP cam price
  76. 2001 Deville VIN Y - head gasket repair on Long Island ?
  77. Anyone want to compare MAF readings?
  78. serp belt
  79. Question about the Northstar PCM
  80. 96 Sedan De Ville V8 Northstar Over Heating
  81. po 300, po 507 need help asap!!
  82. 1997 STS N* connecting rod stamped number
  83. Is there an on-line breakdown of N* engine parts with GM part numbers?
  84. Torque specs on fasteners - torque angle?
  85. Northstar headbolt spacing/ pattern
  86. 95 eldorado 8th letter of vin is y
  87. Recently purchaced 2003 Cadillac Dev
  88. engine swap for a 2000 dts to a 2003 devell can it work i
  89. Jake, I REALLY, REALLY want to give you some money!
  90. Saga of a naive Head Gasket repair
  91. Cracked block!!!!
  92. What causes a headgasket failure?
  93. Spark advance/knock - What is tolerance?
  94. Towing with 02 Deville
  95. Northstar Temp sensor & Lock up converter ?'s
  96. P119 and p080
  97. Another (slightly different) Northstar oil consumption question.....
  98. holley injector harness
  99. Northstar oil pump failure
  100. 4.6 Rod Clearance
  101. Determining Headbolt Thread Pitch
  102. Thank You
  103. Scratched Wall
  104. 4T80E Electronically controlled torque converter clutch
  105. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  106. Feels like a miss?
  107. Need some advice for Northstar car purchase...
  108. need help with rough running northstsar
  109. '03 DeVille - Slight shudder under initial acceleration
  110. how can i check if head gasket leaks
  111. 1994 Deville Concours Ignition Control Module Replacement
  112. Get it while you can..........
  113. Backfiring issues
  114. Rear main seal install tool confusion
  115. surges/sputters while driving, but idles perfectly fine?
  116. Code P041 and Code P025 in 1994 Deville Concours
  117. Northstar 4.6 Overheating
  118. Differences of studs vs. Timeserts
  119. 94 deville concours northstar catalytic converter redhot and stalls
  120. dipstick level, which side to believe?
  121. 2002 Eldorado coolant flush what kind?
  122. Heated Seat Issue..Please Help!
  123. Running on 4 Cylinders..not in Overheat mode
  124. 2002 Deville, White Smoke when Ideling
  125. 1999 Deville w/ Northstar coolant issue
  126. Another 2000+ head gasket failure
  127. 01 Deville DHS N* Repair in DFW Metroplex
  128. SureGrip stud kit / jig combo allignment?
  129. How hard to try to pull the head bolts on Northstar?
  130. How do I pull the airbox in my Eldo?
  131. 2000 Deville Crank Sensor Problems.. Please help if you can..
  132. ethanol or not
  133. Areas to look at while doing a HG repair
  134. PCM/EBTCM Pin Diagram, 2001 SLS
  135. Jake, wish you best of Luck !!
  136. What wire for the Speedo?
  137. Time sert kit kit # 500
  138. Torque Converter Whine
  139. PCM and engine switching
  140. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  141. timeserts
  142. Northstar removal
  143. Blocks, cracks and heat
  144. Please help: 1996 deville hard starting ?
  145. 2000 Deville using oil
  146. 2003 Deville engine start problem
  147. What exactly is a "base model" Deville ?
  148. need to replace flywheel
  149. Service engine light
  150. Possible to run northstar on an engine stand or outside of the car?
  151. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  152. A few codes to clear up (02 Deville)
  153. Northstar Camshaft Wear - Common? Cause?
  154. My 98 Deville N* HG repair adventure !!
  155. northstar engine several issues--need major help
  156. Water pump removal
  157. Northstar coolant leak
  158. More Northstar repair services......ENJOY
  159. Shell Rimula R6 ME 5W30
  160. Camshaft pulley removal
  161. P0300 Code goes off at high rpm.
  162. Turbo'ed 98-04 STS N*
  163. 99' cadillac head gasket problems
  164. Fuel Injector resistance 1994 Northstar motor
  165. Northstar Main Studs-
  166. $575 99 Seville project Car overheating
  167. My Little Northstar engine Project
  168. Trans question p0748 after trans repaired by rebuilder
  169. 1994 Deville Concours PCM Replacement
  170. 94 Deville Concours PCM Codes P041 and P119
  171. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  172. prospective owner with HG question
  173. tcc solenoid need help asap
  174. egr blockoff
  175. 01 eldorado ESC "hard" starting and once wouldn't start
  176. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  177. Direct Injection - Technology Question
  178. Bought the '97 etc replacement
  179. Advice from some repair guys on cleaning processes
  180. 94 STS head gasket question
  181. Doesn't seem to be the head gasket but still overheats
  182. Looking for HG Repair Shop in Southeast US
  183. evap solonoid
  184. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  185. 1995 elder northstar cooling
  186. how to change camshaft position sensor on 1997 sts
  187. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  188. 1994 SLS Northstar running rich and stalling
  189. Front seal is leaking
  190. Thorttle body problem and code p2135
  191. Ignition drop-outs
  192. L37, ld8, l47 & lx5
  193. My 98 Deville with straight pipes... what do you guys think?
  194. hg repairs
  195. Wierd Temperature spikes 02 deville
  196. There was a thread or sticky that was all about engine oild and dino or conventional
  197. Oil pump prime
  198. Motor Mount project
  199. Hello Everyone, I need help with getting an engine......
  200. P0304 Misfire cylinder 4
  201. N* picky about motor oil?
  202. Timing chain seems loose on a 4.6L Deville.
  203. 99 deville fans just stop both of them
  204. Replacing a TPS in a 99 Deville?
  205. 2000 Deville Idle Relearn
  206. Polishing Cam lobes?
  207. Northstar Tuneup
  208. Felpro intake manifold gaskets
  209. PCM Codes P0171 and P0174
  210. 100 Cadillac head gasket repairs completed
  211. NorthStar Engine Block Crack Have you had one What year and how did it crack
  212. 4.6 N* Crank shaft / oil pump question
  213. hard starting 1997 sts
  214. air in coolant system?
  215. more electrical gremlins
  216. No fuel pressure
  217. Photos of the CNC turning center-
  218. 98 STS White smoke on accelation
  219. Should I have my brand new, never fired 4.0 long-block studded?
  220. Found my coolant leak
  221. Oil pump seal/oring
  222. Looking for a SPECIFIC N* Removal Guide
  223. Remote start and push button ignition
  224. Consequences of driving with failed HG
  225. How to space piston rings
  226. Cam journal caps broke
  227. Should I replace PCM? Need 2nd & 3rd opinions
  228. New owner of 1997 Eldorado, many questions
  229. N* To pull or not to pull, A/C is the question.
  230. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  231. Northstar PCM Tuning
  232. Cross over gaskets ?
  233. Smells like exhaust in antifreeze again............... ?
  234. Disabling air injection system in 2002 engine?
  235. Couple of problems with my 94 Seville.
  236. 1994 cadillac seville Spark plug change
  237. Bad head gaskets or user error?
  238. northstar pre-trip opinion
  239. Source for engine internal parts?
  240. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  241. If Engine has been Studed can you Remove the heads and put the heads back with in car
  242. So where is my oil level sensor?
  243. Curious. . .crankshaft position sensors, are they reversable?
  244. Bad mileage
  245. Taking Pre-Orders for bottom end stud kits-
  246. Any good Northstar shops near Maryland?
  247. Have code P071 & P046
  248. Cost of DIY Headgaskets/studs?
  249. Ceramic coated exhaust manifolds?
  250. What is the timeline for Head Gasket failure