: Northstar Engines and System Technical Discussion



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  1. Northstar head repair in Chicagoland area
  2. Guide pins
  3. Installing Rear Main Seal with Crank Removed
  4. Heater core follows head gasket ?
  5. 99 SLS overheating, need help
  6. Fixing Head Gasket
  7. Kent-Moore VS Time-sert
  8. Bought 1998 Deville 4 days ago - overheating
  9. Northstar: Did they ever get better?
  10. I need step by step procedure to replace a 2005 STS motor LH2 quickly
  11. HG test and green result
  12. Eliminating/raising the speed limiter - how to?
  13. Water pump removal socket-northstar
  14. Lurching idle
  15. 5.3 motor
  16. 95 Eldorado alternator plug wiring
  17. OVERHEATING (Long)
  18. 2000 Deville Motor Mount Heat Shield
  19. 95-99 Engine Beauty Cover - Intake bolts Not lining up
  20. 1998 STS Trouble Codes & Emission Test
  21. A positive HG repair experience
  22. 2000 DHS transmission light on
  23. Anyone that has pulled an N*? PLEASE! I need some advice.
  24. Blown Head Gasket Help
  25. Sell or Keep N*
  26. Best way to clean the engine bay?
  27. Shops that specilize in head gasket repair.
  28. oil loadup at idle
  29. EGR Cleaning - '97 ETC
  30. engine over heating..
  31. Cleared PCM codes - now emissions test not ready
  32. Madtuner.com
  33. N* 4.6 Bad Compression, Help Please
  34. Best Replacement Mount For 2000 Deville
  35. Do not stud a Northstar
  36. Drilling and Tapping The Northstar V8......my personal experience so far.
  37. Northstar TB upgrade
  38. 2002 Deville Transaxle
  39. clogged heater core
  40. 2000 Deville Base - Front Ground Wire
  41. fuel injectors,1993 4.6 northstar VIn Y
  42. Chips
  43. my STS...its a miracle!
  44. How to clean out fuel system in a 96 Eldorado sitting for 6 years.
  45. low oil pressure-'97 SLS
  46. Northstar exhaust
  47. Update on parts I have/had
  48. Northstar Smoke On Startup
  49. O5 DeVille Is That My Lifters I Hear????
  50. 2006 4.6 northstar performance upgrades
  51. 1995 SLS questions on codes
  52. Recommend Pro Mar in NJ for a Northstar Rebuild. :)
  53. Replacing a Northstar in my 2003 Seville...what should I check for?
  54. HELP! 1999 SLS Coolant leak
  55. 2008 DTS misfire issue
  56. P 0300 code 2005 DTS - can't find the miss
  57. .030" over head gasket?
  58. 4.6L 32 valve water in oil
  59. P 0306 code
  60. 2000 DHS - cooling system problems
  61. 1990 DeVille idles rough
  62. 1997 STS - hard start, backfire when cranking
  63. Tappets or Rocker Followers - Two Different Head Designs???
  64. 2004 0r 2006 ?
  65. Change cat?
  66. Changing the Serpentine belt on a VIN Y Northstar V8
  67. 2006 Northstar 4.6 overheating
  68. 2002 STS Bottom end repaired early on.........questions
  69. 2002 DTS Northstar questions
  70. Northstar Water Pump Mounting Changes - Year?
  71. 94 SLS feels like its going to stall when at stoplight
  72. 2000 DTS - Overheating Issues
  73. 2001 Northstar piston to rod orientation?
  74. Should I clean my EGR valve also replace air pump
  75. Best transmission for a Northstar to LaSalle Street Rod swap
  76. Would these chain tensioners cause excessive engine noise?
  77. Rebuilt 4.6 from Davis Auto Repair or Cadillac Doctor
  78. Real bad oil leak!
  79. P0719how much coukd this code cost me
  80. Drink coasters from engine cover emblems.
  81. Strange compression test results, oil inside intake manifold & smoke !!
  82. Bore heads for larger headbolts or stud/insert ?
  83. Diffrence from 2000 and 2006 northstar engine?
  84. Exxon valdez
  85. 97 ETC Head Gasket Project
  86. 1998 Deville Northstar - ready to get my hands dirty
  87. Northstar V-8 Engine - Gasoline Issue
  88. Engine shaking
  89. Piston pin
  90. Northstar cam timing and chain problem
  91. Small Oil Leak and Smell in 2000 Cadillac Deville
  92. Are 2001 y code transmissions AAN and VAN interchangeable?
  93. Crank question
  94. Where Does This Bracket Go??
  95. LD8 non-interference motor?
  96. Losing Compression
  97. where is thermostat
  98. Issues with code P 0411 - 2006 DTS
  99. 96 Deville won't idle down, hard start and backfires when cold
  100. 99 DeVille D'elegance
  101. Northstar build
  102. Intermediate Timing Chain Gear fit
  103. Fuel pressure jumping up and down on my 1998 Eldorado
  104. Mystery klanking sound.. over 200K N*
  105. GUZZLING GAS!!! 2000 Deville...
  106. 96 Northstar Build
  107. Misfire - 2001 Deville
  108. To fix the Blown Head Gasket, how hard is it if DIY?
  109. Help-Broke Oil Pressure Switch wires while replaceing CKP's 03 Deville
  110. Piston detonation evidence - 1998 Northstar
  111. Coolant crossover
  112. Northstar V8 and 4T80E questions
  113. 2002 SLS Code P 0401
  114. DTS oil level and change oil soon messages
  115. Rough Idle After Retiming.
  116. Yet another oil question - mix SAE 30 with 10W-30 ?
  117. No acceleration... 2000 Deville
  118. Northstar Manual Transmission Possibility?
  119. Idling Trouble for 2004 Deville
  120. Timing chain issue, not lining up? stretched chain possibly?
  121. Rough idle/shuddering and misfires...2004 SRX Northstar
  122. Northstar oil flow diagram - oil in a head bolt hole
  123. Coolant Temperature Problem
  124. SES Light - codes P0171 & P0174 - 2004 Seville
  125. Oil filter
  126. Used Northstar powertrains-FS
  127. production codes
  128. radiator cooling in cold temps
  129. Can anyone identify this?
  130. 2005 Northstar Knock on Start Up
  131. Swap engine from 2006-2007 into 2000 DTS ?
  132. 1994 Concours - head gasket replacement ?
  133. p0154/0151
  134. Engine cover removal
  135. Northstar Overheating Problem- Is it possible to live with or even avoid...?
  136. oops ruined a couple studs by accident
  137. Looking for a cartridge style rear main seal installer
  138. need a new motor!
  139. cataclean info
  140. Northstar Performance SLOW!!!!!!!!!!!!!!
  141. CODES of past ,present,future?
  142. CKP & OP Sensors AND Oil Filter Adapter Sealing, Servicing - Candidate 4 Sticky
  143. 1998 Eldorado failed HG
  144. need a little advice on what im looking at
  145. 97 Concours won't start now
  146. 1997 ETC engine performance upgrades
  147. 2006-2009 DTS Common Problems
  148. Engine randomly stalls when it rains and ran into another problem
  149. Pre-'05 4T80E Torque Converter Upgrade from viscous silicone to '05-later EC3?
  150. Looking for Northstar experts in or around Atlanta, GA
  151. Northstar water pump 2006-2011
  152. STP High mileage oil additive.
  153. Re: 2000+ Northstar Plenum Replacement steps
  154. NO oil war just info on dexos,please
  155. The Stumbling, The Codes and The Solution
  156. Engine knock after rebuild 2005 northstar
  157. 01 STS - Head Gasket - Perm or Temp/Quick Fix Solution
  158. Main Cap Bolt broken in block, UGHH.
  159. location of starter
  160. 1995 STS starter questions and seeking advice
  161. dog bones life span
  162. Engine parts cleaning during overhaul
  163. 2000 STS Northstar coolant problems
  164. Transaxle leaking
  165. Northstar head gasket problem
  166. 2000 Deville Code P0741 & P1860
  167. Motor Mounts
  168. Just bought a 99 Deville - question about the oil
  169. Buyer beware
  170. HOW TO: Change surge tank (and coolant) on a 96 VIN Y DeVille
  171. tapping sound
  172. hard shifting
  173. hard start, hi reving cadillac after storage
  174. oil leak. water pump camshaft
  175. 1998 caddy STS fixed wp pulleys & belt. More issues!!!
  176. Northstar - any thoughts or advice ????
  177. More big props to joe
  178. Plenum Issue??? AIR system issue ???
  179. 1999 Deville PCM codes - can you tune it?
  180. Overheating Northstars and bleeder valves
  181. How do you find tdc on cylinder #1 using timing marks?
  182. Cadillac Deville 2000 plugs and boots
  183. 2000 STS code 9 swapping to 2001 Y code engine
  184. 1996 STS - P1406 DTC with bucking and hesitation
  185. Quick and Dirty 97 Deville HG Job
  186. Check engine light won't go away???
  187. How do I drain ALL the coolant?
  188. High Mileage engine oil question
  189. Northstar Head/Engine removal
  190. A question for the more experienced N* gear-heads on site. Gasket or rings?
  191. Torque Spec for ARP Studs in Northstar
  192. Unusual noises or am I crazy?
  193. Exhaust parts needed
  194. CF chips
  195. Oil percentage - OLM information
  196. False Overheating?
  197. Issues Removing Crank Pulley
  198. Having HG problems and ordered NORTHSTAR PERFORMANCE studs...
  199. help with removing engine from 97 deville
  200. Oil Drain plug seized...can you use an air impact to remove without damage?
  201. 97 Deville Won't Start
  202. 2003 STS Idle/MAF/Coolant temp issues/Driving itself
  203. smokey the bandit!
  204. Engine misfire at certain times of the day - 2003 STS
  205. Can I use regular torque numbers on my cylinder heads?
  206. Concerns with my 1997 Northstar Engine
  207. 99 Deville Concours with cracked block!
  208. heater tube connection leak
  209. How To Remove Heater Core Hoses ? - 1997 Deville
  210. Northstar rev limiter
  211. New Owner 93 Eldorado pic. ? about HG issues in the early Northstars
  212. Is this the worst rusty engine you have seen?
  213. small coolant drip where sensor mounts
  214. Best way to flush cooling system
  215. For those that wish to "plug in & play"....late 90's N* crate engine
  216. 4.0 Northstar Performance Upgrade
  217. Seeking N* help in VA.....
  218. 98 Deville D'Elegance Stays At 222 F
  219. 1998 Eldorado - DexCool mix
  220. Size of hose used to connect heater line tubing
  221. 99DeVille_NrthSt*r's Project Thread
  222. 97 Deville Concours - Rough Starting
  223. Top pullers, I need help with a bolt
  224. 99 DeVille Electrical Harness
  225. Northstar Performance - Cylinder Head Studs. Stock Issues Resolved.
  226. 96 deville crossover gasket
  227. The best sealant for the oil pan gasket
  228. Vacuum Leak after WOT (P0101) - 2003 STS
  229. Does anyone know a good Cadillac mechanic in the NYC area
  230. Great deal on Rear Main Seal installer... but better hurry!
  231. Head Gasket Kit Verification
  232. Is it worth it?
  233. Results of coolant in oil
  234. 2000 Deville shakes at Idle, No DTC's
  235. Engine block cracked - Northstar Performance, where are you ?
  236. Cradle swapping possibilities
  237. Non Production VVT Northstar
  238. Jake Northstar Performance - stud problems
  239. Update on remanufactured Northstar Performance engine. 1 year later
  240. Head Gasket Questions
  241. Another overheating northstar....
  242. Northstar interesting stuff....
  243. '00 Deville sat for year. Coolant, Battery, Misfire, Brake fluid problems HELP
  244. Northstar Water Pump Housing Replacment
  245. my 1995 Cadillac Eldorado Overheating
  246. Seafoam - do you use it?
  247. Another N* Oil Pump question
  248. 2005 DTS Head gasket still a problem?
  249. Gforce performance "chip" ?
  250. SureGrip studded Eldo for sale?!!