: Northstar Engines and System Technical Discussion



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  1. need help
  2. Now what do I do? Northstar block casting porosity
  3. Coolant all over top of engine?
  4. 97 SLS Overheating - I've checked everything and need ideas
  5. 03 Deville hard idle and bogging out lower speeds
  6. 2003 Deville CKP codes
  7. P 0300 random misfire - 2000 STS
  8. Northstar Performance rebuilt engine
  9. exhaust buzzing noise 2006 dts
  10. Northstar head repair in Chicagoland area
  11. Guide pins
  12. Installing Rear Main Seal with Crank Removed
  13. Heater core follows head gasket ?
  14. 99 SLS overheating, need help
  15. Fixing Head Gasket
  16. Kent-Moore VS Time-sert
  17. Bought 1998 Deville 4 days ago - overheating
  18. Northstar: Did they ever get better?
  19. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  20. HG test and green result
  21. Eliminating/raising the speed limiter - how to?
  22. Water pump removal socket-northstar
  23. Lurching idle
  24. 5.3 motor
  25. 95 Eldorado alternator plug wiring
  26. OVERHEATING (Long)
  27. 2000 Deville Motor Mount Heat Shield
  28. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  29. 1998 STS Trouble Codes & Emission Test
  30. A positive HG repair experience
  31. 2000 DHS transmission light on
  32. Anyone that has pulled an N*? PLEASE! I need some advice.
  33. Blown Head Gasket Help
  34. Sell or Keep N*
  35. Best way to clean the engine bay?
  36. Shops that specilize in head gasket repair.
  37. oil loadup at idle
  38. EGR Cleaning - '97 ETC
  39. engine over heating..
  40. Cleared PCM codes - now emissions test not ready
  41. Madtuner.com
  42. N* 4.6 Bad Compression, Help Please
  43. Best Replacement Mount For 2000 Deville
  44. Do not stud a Northstar
  45. Drilling and Tapping The Northstar V8......my personal experience so far.
  46. Northstar TB upgrade
  47. 2002 Deville Transaxle
  48. clogged heater core
  49. 2000 Deville Base - Front Ground Wire
  50. fuel injectors,1993 4.6 northstar VIn Y
  51. Chips
  52. my STS...its a miracle!
  53. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  54. low oil pressure-'97 SLS
  55. Northstar exhaust
  56. Update on parts I have/had
  57. Northstar Smoke On Startup
  58. O5 DeVille Is That My Lifters I Hear????
  59. 2006 4.6 northstar performance upgrades
  60. 1995 SLS questions on codes
  61. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  62. Replacing a Northstar in my 2003 Seville...what should I check for?
  63. HELP! 1999 SLS Coolant leak
  64. 2008 DTS misfire issue
  65. P 0300 code 2005 DTS - can't find the miss
  66. .030" over head gasket?
  67. 4.6L 32 valve water in oil
  68. P 0306 code
  69. 2000 DHS - cooling system problems
  70. 1990 DeVille idles rough
  71. 1997 STS - hard start, backfire when cranking
  72. Tappets or Rocker Followers - Two Different Head Designs???
  73. 2004 0r 2006 ?
  74. Change cat?
  75. Changing the Serpentine belt on a VIN Y Northstar V8
  76. 2006 Northstar 4.6 overheating
  77. 2002 STS Bottom end repaired early on.........questions
  78. 2002 DTS Northstar questions
  79. Northstar Water Pump Mounting Changes - Year?
  80. 94 SLS feels like its going to stall when at stoplight
  81. 2000 DTS - Overheating Issues
  82. 2001 Northstar piston to rod orientation?
  83. Should I clean my EGR valve also replace air pump
  84. Best transmission for a Northstar to LaSalle Street Rod swap
  85. Would these chain tensioners cause excessive engine noise?
  86. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  87. Real bad oil leak!
  88. P0719how much coukd this code cost me
  89. Drink coasters from engine cover emblems.
  90. Strange compression test results, oil inside intake manifold & smoke !!
  91. Bore heads for larger headbolts or stud/insert ?
  92. Diffrence from 2000 and 2006 northstar engine?
  93. Exxon valdez
  94. 97 ETC Head Gasket Project
  95. 1998 Deville Northstar - ready to get my hands dirty
  96. Northstar V-8 Engine - Gasoline Issue
  97. Engine shaking
  98. Piston pin
  99. Northstar cam timing and chain problem
  100. Small Oil Leak and Smell in 2000 Cadillac Deville
  101. Are 2001 y code transmissions AAN and VAN interchangeable?
  102. Crank question
  103. Where Does This Bracket Go??
  104. LD8 non-interference motor?
  105. Losing Compression
  106. where is thermostat
  107. Issues with code P 0411 - 2006 DTS
  108. 96 Deville won't idle down, hard start and backfires when cold
  109. 99 DeVille D'elegance
  110. Northstar build
  111. Intermediate Timing Chain Gear fit
  112. Fuel pressure jumping up and down on my 1998 Eldorado
  113. Mystery klanking sound.. over 200K N*
  114. GUZZLING GAS!!! 2000 Deville...
  115. 96 Northstar Build
  116. Misfire - 2001 Deville
  117. To fix the Blown Head Gasket, how hard is it if DIY?
  118. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  119. Piston detonation evidence - 1998 Northstar
  120. Coolant crossover
  121. Northstar V8 and 4T80E questions
  122. 2002 SLS Code P 0401
  123. DTS oil level and change oil soon messages
  124. Rough Idle After Retiming.
  125. Yet another oil question - mix SAE 30 with 10W-30 ?
  126. No acceleration... 2000 Deville
  127. Northstar Manual Transmission Possibility?
  128. Idling Trouble for 2004 Deville
  129. Timing chain issue, not lining up? stretched chain possibly?
  130. Rough idle/shuddering and misfires...2004 SRX Northstar
  131. Northstar oil flow diagram - oil in a head bolt hole
  132. Coolant Temperature Problem
  133. SES Light - codes P0171 & P0174 - 2004 Seville
  134. Oil filter
  135. Used Northstar powertrains-FS
  136. production codes
  137. radiator cooling in cold temps
  138. Can anyone identify this?
  139. 2005 Northstar Knock on Start Up
  140. Swap engine from 2006-2007 into 2000 DTS ?
  141. 1994 Concours - head gasket replacement ?
  142. p0154/0151
  143. Engine cover removal
  144. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  145. oops ruined a couple studs by accident
  146. Looking for a cartridge style rear main seal installer
  147. need a new motor!
  148. cataclean info
  149. Northstar Performance SLOW!!!!!!!!!!!!!!
  150. CODES of past ,present,future?
  151. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  152. 1998 Eldorado failed HG
  153. need a little advice on what im looking at
  154. 97 Concours won't start now
  155. 1997 ETC engine performance upgrades
  156. 2006-2009 DTS Common Problems
  157. Engine randomly stalls when it rains and ran into another problem
  158. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  159. Looking for Northstar experts in or around Atlanta, GA
  160. Northstar water pump 2006-2011
  161. STP High mileage oil additive.
  162. Re: 2000+ Northstar Plenum Replacement steps
  163. NO oil war just info on dexos,please
  164. The Stumbling, The Codes and The Solution
  165. Engine knock after rebuild 2005 northstar
  166. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  167. Main Cap Bolt broken in block, UGHH.
  168. location of starter
  169. 1995 STS starter questions and seeking advice
  170. dog bones life span
  171. Engine parts cleaning during overhaul
  172. 2000 STS Northstar coolant problems
  173. Transaxle leaking
  174. Northstar head gasket problem
  175. 2000 Deville Code P0741 & P1860
  176. Motor Mounts
  177. Just bought a 99 Deville - question about the oil
  178. Buyer beware
  179. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  180. tapping sound
  181. hard shifting
  182. hard start, hi reving cadillac after storage
  183. oil leak. water pump camshaft
  184. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  185. Northstar - any thoughts or advice ????
  186. More big props to joe
  187. Plenum Issue??? AIR system issue ???
  188. 1999 Deville PCM codes - can you tune it?
  189. Overheating Northstars and bleeder valves
  190. How do you find tdc on cylinder #1 using timing marks?
  191. Cadillac Deville 2000 plugs and boots
  192. 2000 STS code 9 swapping to 2001 Y code engine
  193. 1996 STS - P1406 DTC with bucking and hesitation
  194. Quick and Dirty 97 Deville HG Job
  195. Check engine light won't go away???
  196. How do I drain ALL the coolant?
  197. High Mileage engine oil question
  198. Northstar Head/Engine removal
  199. A question for the more experienced N* gear-heads on site. Gasket or rings?
  200. Torque Spec for ARP Studs in Northstar
  201. Unusual noises or am I crazy?
  202. Exhaust parts needed
  203. CF chips
  204. Oil percentage - OLM information
  205. False Overheating?
  206. Issues Removing Crank Pulley
  207. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  208. help with removing engine from 97 deville
  209. Oil Drain plug seized...can you use an air impact to remove without damage?
  210. 97 Deville Won't Start
  211. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  212. smokey the bandit!
  213. Engine misfire at certain times of the day - 2003 STS
  214. Can I use regular torque numbers on my cylinder heads?
  215. Concerns with my 1997 Northstar Engine
  216. 99 Deville Concours with cracked block!
  217. heater tube connection leak
  218. How To Remove Heater Core Hoses ? - 1997 Deville
  219. Northstar rev limiter
  220. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  221. Is this the worst rusty engine you have seen?
  222. small coolant drip where sensor mounts
  223. Best way to flush cooling system
  224. For those that wish to "plug in & play"....late 90's N* crate engine
  225. 4.0 Northstar Performance Upgrade
  226. Seeking N* help in VA.....
  227. 98 Deville D'Elegance Stays At 222 F
  228. 1998 Eldorado - DexCool mix
  229. Size of hose used to connect heater line tubing
  230. 99DeVille_NrthSt*r's Project Thread
  231. 97 Deville Concours - Rough Starting
  232. Top pullers, I need help with a bolt
  233. 99 DeVille Electrical Harness
  234. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  235. 96 deville crossover gasket
  236. The best sealant for the oil pan gasket
  237. Vacuum Leak after WOT (P0101) - 2003 STS
  238. Does anyone know a good Cadillac mechanic in the NYC area
  239. Great deal on Rear Main Seal installer... but better hurry!
  240. Head Gasket Kit Verification
  241. Is it worth it?
  242. Results of coolant in oil
  243. 2000 Deville shakes at Idle, No DTC's
  244. Engine block cracked - Northstar Performance, where are you ?
  245. Cradle swapping possibilities
  246. Non Production VVT Northstar
  247. Jake Northstar Performance - stud problems
  248. Update on remanufactured Northstar Performance engine. 1 year later
  249. Head Gasket Questions
  250. Another overheating northstar....