: Northstar Engines and System Technical Discussion



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  1. 1999 Deville PCM codes - can you tune it?
  2. Overheating Northstars and bleeder valves
  3. How do you find tdc on cylinder #1 using timing marks?
  4. Cadillac Deville 2000 plugs and boots
  5. 2000 STS code 9 swapping to 2001 Y code engine
  6. 1996 STS - P1406 DTC with bucking and hesitation
  7. Quick and Dirty 97 Deville HG Job
  8. Check engine light won't go away???
  9. How do I drain ALL the coolant?
  10. High Mileage engine oil question
  11. Northstar Head/Engine removal
  12. A question for the more experienced N* gear-heads on site. Gasket or rings?
  13. Torque Spec for ARP Studs in Northstar
  14. Unusual noises or am I crazy?
  15. Exhaust parts needed
  16. CF chips
  17. Oil percentage - OLM information
  18. False Overheating?
  19. Issues Removing Crank Pulley
  20. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  21. help with removing engine from 97 deville
  22. Oil Drain plug seized...can you use an air impact to remove without damage?
  23. 97 Deville Won't Start
  24. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  25. smokey the bandit!
  26. Engine misfire at certain times of the day - 2003 STS
  27. Can I use regular torque numbers on my cylinder heads?
  28. Concerns with my 1997 Northstar Engine
  29. 99 Deville Concours with cracked block!
  30. heater tube connection leak
  31. How To Remove Heater Core Hoses ? - 1997 Deville
  32. Northstar rev limiter
  33. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  34. Is this the worst rusty engine you have seen?
  35. small coolant drip where sensor mounts
  36. Best way to flush cooling system
  37. For those that wish to "plug in & play"....late 90's N* crate engine
  38. 4.0 Northstar Performance Upgrade
  39. Seeking N* help in VA.....
  40. 98 Deville D'Elegance Stays At 222 F
  41. 1998 Eldorado - DexCool mix
  42. Size of hose used to connect heater line tubing
  43. 99DeVille_NrthSt*r's Project Thread
  44. 97 Deville Concours - Rough Starting
  45. Top pullers, I need help with a bolt
  46. 99 DeVille Electrical Harness
  47. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  48. 96 deville crossover gasket
  49. The best sealant for the oil pan gasket
  50. Vacuum Leak after WOT (P0101) - 2003 STS
  51. Does anyone know a good Cadillac mechanic in the NYC area
  52. Great deal on Rear Main Seal installer... but better hurry!
  53. Head Gasket Kit Verification
  54. Is it worth it?
  55. Results of coolant in oil
  56. 2000 Deville shakes at Idle, No DTC's
  57. Engine block cracked - Northstar Performance, where are you ?
  58. Cradle swapping possibilities
  59. Non Production VVT Northstar
  60. Jake Northstar Performance - stud problems
  61. Update on remanufactured Northstar Performance engine. 1 year later
  62. Head Gasket Questions
  63. Another overheating northstar....
  64. Northstar interesting stuff....
  65. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  66. Northstar Water Pump Housing Replacment
  67. my 1995 Cadillac Eldorado Overheating
  68. Seafoam - do you use it?
  69. Another N* Oil Pump question
  70. 2005 DTS Head gasket still a problem?
  71. Gforce performance "chip" ?
  72. SureGrip studded Eldo for sale?!!
  73. I'm relocating,,,,new complaints section....
  74. Remote key fob
  75. oil manifold question
  76. How do you clean ring grooves on pistons?
  77. Video. For those who want to see CNC machining in action.
  78. Plugs - Spark plugs for a Northstar ??
  79. Want To Buy N* stud tool kit
  80. What happened? Stored 1996 Deville engine knock
  81. Northstar head gasket repair
  82. WOT problem and P0300 - 2000 Eldorado
  83. Marks Turbocharged 99 STS
  84. water pump leak after replacing pump/seal
  85. Missing shield in cam cover?
  86. tight northstar cam chain
  87. front motor mounts
  88. northstar studs
  89. 2000 Deville - high pitched whistle
  90. 99 Deville HG job 4-2012
  91. I have a set of studs available if someone needs them thanks to my previous thread
  92. DIY Northstar Head Gasket / Crankcase Leak Repair
  93. 1997 Seville temperature problems
  94. Don't Wait More Than 120 days
  95. How to tell if head gaskets have been done before?
  96. Need top compression ring 98 N*....ugghhh
  97. 18mm Northstar Crankbolt needed
  98. 98 Eldorado replacing Engine Torque Mounts
  99. Troubleshooting help
  100. New Northstar Crate Engine
  101. Valve stem seal tool?
  102. Code P070 with stalling and surging-TPS or ISC?
  103. Huge thanks to Joe at Midwest Cadillac Repair
  104. Factory air intake question
  105. Bent pushrod - valvetrain noise ?
  106. '01 DTS Misfire.
  107. Thread size for Jake's studs?
  108. Drive Train Hum & No Overdrive
  109. Towing in third gear
  110. 2004 Deville PCM
  111. 01 Deville OverHeating Issue
  112. Please help diagnose my cooling system problem
  113. Overheating
  114. Is there an alternate way to lock the flywheel?
  115. northstar stud kit
  116. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  117. Coolant Reservoir Overflow Line
  118. N* Upper to Lower block half sealing procedure.
  119. To re-seal or not?
  120. How do you SAFELY clean the valve covers?
  121. 98 ETC Head Gasket project started today...
  122. 2002 Eldorado ETC Head Gasket Project
  123. 97 N* Crank Pulley / Oil Pump Torque setting
  124. WP cam price
  125. 2001 Deville VIN Y - head gasket repair on Long Island ?
  126. Anyone want to compare MAF readings?
  127. Wheres Jake? We need studs and engines !!!
  128. serp belt
  129. Question about the Northstar PCM
  130. 96 Sedan De Ville V8 Northstar Over Heating
  131. po 300, po 507 need help asap!!
  132. 1997 STS N* connecting rod stamped number
  133. Is there an on-line breakdown of N* engine parts with GM part numbers?
  134. Torque specs on fasteners - torque angle?
  135. Northstar headbolt spacing/ pattern
  136. 95 eldorado 8th letter of vin is y
  137. Recently purchaced 2003 Cadillac Dev
  138. engine swap for a 2000 dts to a 2003 devell can it work i
  139. Jake, I REALLY, REALLY want to give you some money!
  140. Saga of a naive Head Gasket repair
  141. Cracked block!!!!
  142. What causes a headgasket failure?
  143. Spark advance/knock - What is tolerance?
  144. Towing with 02 Deville
  145. Northstar Temp sensor & Lock up converter ?'s
  146. P119 and p080
  147. Another (slightly different) Northstar oil consumption question.....
  148. holley injector harness
  149. Northstar oil pump failure
  150. 4.6 Rod Clearance
  151. Thank You
  152. Scratched Wall
  153. 4T80E Electronically controlled torque converter clutch
  154. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  155. Feels like a miss?
  156. Need some advice for Northstar car purchase...
  157. need help with rough running northstsar
  158. '03 DeVille - Slight shudder under initial acceleration
  159. how can i check if head gasket leaks
  160. 1994 Deville Concours Ignition Control Module Replacement
  161. Get it while you can..........
  162. Backfiring issues
  163. Rear main seal install tool confusion
  164. surges/sputters while driving, but idles perfectly fine?
  165. Code P041 and Code P025 in 1994 Deville Concours
  166. Northstar 4.6 Overheating
  167. Differences of studs vs. Timeserts
  168. 94 deville concours northstar catalytic converter redhot and stalls
  169. dipstick level, which side to believe?
  170. 2002 Eldorado coolant flush what kind?
  171. Heated Seat Issue..Please Help!
  172. Running on 4 Cylinders..not in Overheat mode
  173. 2002 Deville, White Smoke when Ideling
  174. 1999 Deville w/ Northstar coolant issue
  175. Another 2000+ head gasket failure
  176. 01 Deville DHS N* Repair in DFW Metroplex
  177. SureGrip stud kit / jig combo allignment?
  178. How hard to try to pull the head bolts on Northstar?
  179. How do I pull the airbox in my Eldo?
  180. 2000 Deville Crank Sensor Problems.. Please help if you can..
  181. ethanol or not
  182. Areas to look at while doing a HG repair
  183. PCM/EBTCM Pin Diagram, 2001 SLS
  184. Jake, wish you best of Luck !!
  185. What wire for the Speedo?
  186. Time sert kit kit # 500
  187. Torque Converter Whine
  188. PCM and engine switching
  189. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  190. timeserts
  191. Northstar removal
  192. Blocks, cracks and heat
  193. Please help: 1996 deville hard starting ?
  194. 2000 deville using oil HELP !
  195. Cadillac deville engine start problem
  196. What exactly is a "base model" Deville ?
  197. need to replace flywheel
  198. Service engine light
  199. Possible to run northstar on an engine stand or outside of the car?
  200. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  201. A few codes to clear up (02 Deville)
  202. Northstar Camshaft Wear - Common? Cause?
  203. My 98 Deville N* HG repair adventure !!
  204. northstar engine several issues--need major help
  205. Water pump removal
  206. Northstar coolant leak
  207. More Northstar repair services......ENJOY
  208. Shell Rimula R6 ME 5W30
  209. Camshaft pulley removal
  210. P0300 Code goes off at high rpm.
  211. Turbo'ed 98-04 STS N*
  212. 99' cadillac head gasket problems
  213. Fuel Injector resistance 1994 Northstar motor
  214. Northstar Main Studs-
  215. $575 99 Seville project Car overheating
  216. My Little Northstar engine Project
  217. Trans question p0748 after trans repaired by rebuilder
  218. 1994 Deville Concours PCM Replacement
  219. 94 Deville Concours PCM Codes P041 and P119
  220. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  221. prospective owner with HG question
  222. tcc solenoid need help asap
  223. egr blockoff
  224. 01 eldorado ESC "hard" starting and once wouldn't start
  225. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  226. Direct Injection - Technology Question
  227. Bought the '97 etc replacement
  228. Advice from some repair guys on cleaning processes
  229. 94 STS head gasket question
  230. Doesn't seem to be the head gasket but still overheats
  231. Looking for HG Repair Shop in Southeast US
  232. evap solonoid
  233. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  234. 1995 elder northstar cooling
  235. how to change camshaft position sensor on 1997 sts
  236. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  237. 1994 SLS Northstar running rich and stalling
  238. Front seal is leaking
  239. Thorttle body problem and code p2135
  240. Ignition drop-outs
  241. L37, ld8, l47 & lx5
  242. My 98 Deville with straight pipes... what do you guys think?
  243. hg repairs
  244. Wierd Temperature spikes 02 deville
  245. There was a thread or sticky that was all about engine oild and dino or conventional
  246. Oil pump prime
  247. Motor Mount project
  248. Hello Everyone, I need help with getting an engine......
  249. P0304 Misfire cylinder 4
  250. N* picky about motor oil?