: Northstar Engines and System Technical Discussion



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  1. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  2. Main Cap Bolt broken in block, UGHH.
  3. location of starter
  4. 1995 STS starter questions and seeking advice
  5. dog bones life span
  6. Engine parts cleaning during overhaul
  7. 2000 STS Northstar coolant problems
  8. Transaxle leaking
  9. Northstar head gasket problem
  10. 2000 Deville Code P0741 & P1860
  11. Motor Mounts
  12. Just bought a 99 Deville - question about the oil
  13. Buyer beware
  14. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  15. tapping sound
  16. hard shifting
  17. hard start, hi reving cadillac after storage
  18. oil leak. water pump camshaft
  19. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  20. Northstar - any thoughts or advice ????
  21. More big props to joe
  22. Plenum Issue??? AIR system issue ???
  23. 1999 Deville PCM codes - can you tune it?
  24. Overheating Northstars and bleeder valves
  25. How do you find tdc on cylinder #1 using timing marks?
  26. Cadillac Deville 2000 plugs and boots
  27. 2000 STS code 9 swapping to 2001 Y code engine
  28. 1996 STS - P1406 DTC with bucking and hesitation
  29. Quick and Dirty 97 Deville HG Job
  30. Check engine light won't go away???
  31. How do I drain ALL the coolant?
  32. High Mileage engine oil question
  33. Northstar Head/Engine removal
  34. A question for the more experienced N* gear-heads on site. Gasket or rings?
  35. Torque Spec for ARP Studs in Northstar
  36. Unusual noises or am I crazy?
  37. Exhaust parts needed
  38. CF chips
  39. Oil percentage - OLM information
  40. False Overheating?
  41. Issues Removing Crank Pulley
  42. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  43. help with removing engine from 97 deville
  44. Oil Drain plug seized...can you use an air impact to remove without damage?
  45. 97 Deville Won't Start
  46. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  47. smokey the bandit!
  48. Engine misfire at certain times of the day - 2003 STS
  49. Can I use regular torque numbers on my cylinder heads?
  50. Concerns with my 1997 Northstar Engine
  51. 99 Deville Concours with cracked block!
  52. heater tube connection leak
  53. How To Remove Heater Core Hoses ? - 1997 Deville
  54. Northstar rev limiter
  55. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  56. Is this the worst rusty engine you have seen?
  57. small coolant drip where sensor mounts
  58. Best way to flush cooling system
  59. For those that wish to "plug in & play"....late 90's N* crate engine
  60. 4.0 Northstar Performance Upgrade
  61. Seeking N* help in VA.....
  62. 98 Deville D'Elegance Stays At 222 F
  63. 1998 Eldorado - DexCool mix
  64. Size of hose used to connect heater line tubing
  65. 99DeVille_NrthSt*r's Project Thread
  66. 97 Deville Concours - Rough Starting
  67. Top pullers, I need help with a bolt
  68. 99 DeVille Electrical Harness
  69. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  70. 96 deville crossover gasket
  71. The best sealant for the oil pan gasket
  72. Vacuum Leak after WOT (P0101) - 2003 STS
  73. Does anyone know a good Cadillac mechanic in the NYC area
  74. Great deal on Rear Main Seal installer... but better hurry!
  75. Head Gasket Kit Verification
  76. Is it worth it?
  77. Results of coolant in oil
  78. 2000 Deville shakes at Idle, No DTC's
  79. Engine block cracked - Northstar Performance, where are you ?
  80. Cradle swapping possibilities
  81. Non Production VVT Northstar
  82. Jake Northstar Performance - stud problems
  83. Update on remanufactured Northstar Performance engine. 1 year later
  84. Head Gasket Questions
  85. Another overheating northstar....
  86. Northstar interesting stuff....
  87. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  88. Northstar Water Pump Housing Replacment
  89. my 1995 Cadillac Eldorado Overheating
  90. Seafoam - do you use it?
  91. Another N* Oil Pump question
  92. 2005 DTS Head gasket still a problem?
  93. Gforce performance "chip" ?
  94. SureGrip studded Eldo for sale?!!
  95. I'm relocating,,,,new complaints section....
  96. Remote key fob
  97. oil manifold question
  98. How do you clean ring grooves on pistons?
  99. Video. For those who want to see CNC machining in action.
  100. Plugs - Spark plugs for a Northstar ??
  101. Want To Buy N* stud tool kit
  102. What happened? Stored 1996 Deville engine knock
  103. Northstar head gasket repair
  104. WOT problem and P0300 - 2000 Eldorado
  105. Marks Turbocharged 99 STS
  106. water pump leak after replacing pump/seal
  107. Missing shield in cam cover?
  108. tight northstar cam chain
  109. front motor mounts
  110. northstar studs
  111. 2000 Deville - high pitched whistle
  112. 99 Deville HG job 4-2012
  113. I have a set of studs available if someone needs them thanks to my previous thread
  114. DIY Northstar Head Gasket / Crankcase Leak Repair
  115. 1997 Seville temperature problems
  116. Don't Wait More Than 120 days
  117. How to tell if head gaskets have been done before?
  118. Need top compression ring 98 N*....ugghhh
  119. 18mm Northstar Crankbolt needed
  120. 98 Eldorado replacing Engine Torque Mounts
  121. Troubleshooting help
  122. New Northstar Crate Engine
  123. Valve stem seal tool?
  124. Code P070 with stalling and surging-TPS or ISC?
  125. Huge thanks to Joe at Midwest Cadillac Repair
  126. Factory air intake question
  127. Bent pushrod - valvetrain noise ?
  128. '01 DTS Misfire.
  129. Thread size for Jake's studs?
  130. Drive Train Hum & No Overdrive
  131. Towing in third gear
  132. 2004 Deville PCM
  133. 01 Deville OverHeating Issue
  134. Please help diagnose my cooling system problem
  135. Overheating
  136. Is there an alternate way to lock the flywheel?
  137. northstar stud kit
  138. What engines are compatible with 2000 seville sts.... Coil to spark plug type.....
  139. Coolant Reservoir Overflow Line
  140. N* Upper to Lower block half sealing procedure.
  141. To re-seal or not?
  142. How do you SAFELY clean the valve covers?
  143. 98 ETC Head Gasket project started today...
  144. 2002 Eldorado ETC Head Gasket Project
  145. 97 N* Crank Pulley / Oil Pump Torque setting
  146. WP cam price
  147. 2001 Deville VIN Y - head gasket repair on Long Island ?
  148. Anyone want to compare MAF readings?
  149. Wheres Jake? We need studs and engines !!!
  150. serp belt
  151. Question about the Northstar PCM
  152. 96 Sedan De Ville V8 Northstar Over Heating
  153. po 300, po 507 need help asap!!
  154. 1997 STS N* connecting rod stamped number
  155. Is there an on-line breakdown of N* engine parts with GM part numbers?
  156. Torque specs on fasteners - torque angle?
  157. Northstar headbolt spacing/ pattern
  158. 95 eldorado 8th letter of vin is y
  159. Recently purchaced 2003 Cadillac Dev
  160. engine swap for a 2000 dts to a 2003 devell can it work i
  161. Jake, I REALLY, REALLY want to give you some money!
  162. Saga of a naive Head Gasket repair
  163. Cracked block!!!!
  164. What causes a headgasket failure?
  165. Spark advance/knock - What is tolerance?
  166. Towing with 02 Deville
  167. Northstar Temp sensor & Lock up converter ?'s
  168. P119 and p080
  169. Another (slightly different) Northstar oil consumption question.....
  170. holley injector harness
  171. Northstar oil pump failure
  172. 4.6 Rod Clearance
  173. Thank You
  174. Scratched Wall
  175. 4T80E Electronically controlled torque converter clutch
  176. Do The 2006 and newer DTS Northstars have the same headgasket issues?
  177. Feels like a miss?
  178. Need some advice for Northstar car purchase...
  179. need help with rough running northstsar
  180. '03 DeVille - Slight shudder under initial acceleration
  181. how can i check if head gasket leaks
  182. 1994 Deville Concours Ignition Control Module Replacement
  183. Get it while you can..........
  184. Backfiring issues
  185. Rear main seal install tool confusion
  186. surges/sputters while driving, but idles perfectly fine?
  187. Code P041 and Code P025 in 1994 Deville Concours
  188. Northstar 4.6 Overheating
  189. Differences of studs vs. Timeserts
  190. 94 deville concours northstar catalytic converter redhot and stalls
  191. dipstick level, which side to believe?
  192. 2002 Eldorado coolant flush what kind?
  193. Heated Seat Issue..Please Help!
  194. Running on 4 Cylinders..not in Overheat mode
  195. 2002 Deville, White Smoke when Ideling
  196. 1999 Deville w/ Northstar coolant issue
  197. Another 2000+ head gasket failure
  198. 01 Deville DHS N* Repair in DFW Metroplex
  199. SureGrip stud kit / jig combo allignment?
  200. How hard to try to pull the head bolts on Northstar?
  201. How do I pull the airbox in my Eldo?
  202. 2000 Deville Crank Sensor Problems.. Please help if you can..
  203. ethanol or not
  204. Areas to look at while doing a HG repair
  205. PCM/EBTCM Pin Diagram, 2001 SLS
  206. Jake, wish you best of Luck !!
  207. What wire for the Speedo?
  208. Time sert kit kit # 500
  209. Torque Converter Whine
  210. PCM and engine switching
  211. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  212. timeserts
  213. Northstar removal
  214. Blocks, cracks and heat
  215. Please help: 1996 deville hard starting ?
  216. 2000 deville using oil HELP !
  217. Cadillac deville engine start problem
  218. What exactly is a "base model" Deville ?
  219. need to replace flywheel
  220. Service engine light
  221. Possible to run northstar on an engine stand or outside of the car?
  222. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  223. A few codes to clear up (02 Deville)
  224. Northstar Camshaft Wear - Common? Cause?
  225. My 98 Deville N* HG repair adventure !!
  226. northstar engine several issues--need major help
  227. Water pump removal
  228. Northstar coolant leak
  229. More Northstar repair services......ENJOY
  230. Shell Rimula R6 ME 5W30
  231. Camshaft pulley removal
  232. P0300 Code goes off at high rpm.
  233. Turbo'ed 98-04 STS N*
  234. 99' cadillac head gasket problems
  235. Fuel Injector resistance 1994 Northstar motor
  236. Northstar Main Studs-
  237. $575 99 Seville project Car overheating
  238. My Little Northstar engine Project
  239. Trans question p0748 after trans repaired by rebuilder
  240. 1994 Deville Concours PCM Replacement
  241. 94 Deville Concours PCM Codes P041 and P119
  242. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  243. prospective owner with HG question
  244. tcc solenoid need help asap
  245. egr blockoff
  246. 01 eldorado ESC "hard" starting and once wouldn't start
  247. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  248. Direct Injection - Technology Question
  249. Bought the '97 etc replacement
  250. Advice from some repair guys on cleaning processes