: Northstar Engines and System Technical Discussion



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