: Northstar Engines and System Technical Discussion



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