: Northstar Engines and System Technical Discussion



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  1. timeserts
  2. Northstar removal
  3. Blocks, cracks and heat
  4. Please help: 1996 deville hard starting ?
  5. 2000 Deville using oil
  6. 2003 Deville engine start problem
  7. What exactly is a "base model" Deville ?
  8. need to replace flywheel
  9. Service engine light
  10. Possible to run northstar on an engine stand or outside of the car?
  11. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  12. A few codes to clear up (02 Deville)
  13. Northstar Camshaft Wear - Common? Cause?
  14. My 98 Deville N* HG repair adventure !!
  15. northstar engine several issues--need major help
  16. Water pump removal
  17. Northstar coolant leak
  18. More Northstar repair services......ENJOY
  19. Shell Rimula R6 ME 5W30
  20. Camshaft pulley removal
  21. P0300 Code goes off at high rpm.
  22. Turbo'ed 98-04 STS N*
  23. 99' cadillac head gasket problems
  24. Fuel Injector resistance 1994 Northstar motor
  25. Northstar Main Studs-
  26. $575 99 Seville project Car overheating
  27. My Little Northstar engine Project
  28. Trans question p0748 after trans repaired by rebuilder
  29. 1994 Deville Concours PCM Replacement
  30. 94 Deville Concours PCM Codes P041 and P119
  31. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  32. prospective owner with HG question
  33. tcc solenoid need help asap
  34. egr blockoff
  35. 01 eldorado ESC "hard" starting and once wouldn't start
  36. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  37. Direct Injection - Technology Question
  38. Bought the '97 etc replacement
  39. Advice from some repair guys on cleaning processes
  40. 94 STS head gasket question
  41. Doesn't seem to be the head gasket but still overheats
  42. Looking for HG Repair Shop in Southeast US
  43. evap solonoid
  44. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  45. 1995 elder northstar cooling
  46. how to change camshaft position sensor on 1997 sts
  47. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  48. 1994 SLS Northstar running rich and stalling
  49. Front seal is leaking
  50. Thorttle body problem and code p2135
  51. Ignition drop-outs
  52. L37, ld8, l47 & lx5
  53. My 98 Deville with straight pipes... what do you guys think?
  54. hg repairs
  55. Wierd Temperature spikes 02 deville
  56. There was a thread or sticky that was all about engine oild and dino or conventional
  57. Oil pump prime
  58. Motor Mount project
  59. Hello Everyone, I need help with getting an engine......
  60. P0304 Misfire cylinder 4
  61. N* picky about motor oil?
  62. Timing chain seems loose on a 4.6L Deville.
  63. 99 deville fans just stop both of them
  64. Replacing a TPS in a 99 Deville?
  65. 2000 Deville Idle Relearn
  66. Polishing Cam lobes?
  67. Northstar Tuneup
  68. Felpro intake manifold gaskets
  69. PCM Codes P0171 and P0174
  70. 100 Cadillac head gasket repairs completed
  71. NorthStar Engine Block Crack Have you had one What year and how did it crack
  72. 4.6 N* Crank shaft / oil pump question
  73. hard starting 1997 sts
  74. air in coolant system?
  75. more electrical gremlins
  76. No fuel pressure
  77. Photos of the CNC turning center-
  78. 98 STS White smoke on accelation
  79. Should I have my brand new, never fired 4.0 long-block studded?
  80. Found my coolant leak
  81. Oil pump seal/oring
  82. Looking for a SPECIFIC N* Removal Guide
  83. Remote start and push button ignition
  84. Consequences of driving with failed HG
  85. How to space piston rings
  86. Cam journal caps broke
  87. Should I replace PCM? Need 2nd & 3rd opinions
  88. New owner of 1997 Eldorado, many questions
  89. N* To pull or not to pull, A/C is the question.
  90. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  91. Northstar PCM Tuning
  92. Cross over gaskets ?
  93. Smells like exhaust in antifreeze again............... ?
  94. Disabling air injection system in 2002 engine?
  95. Couple of problems with my 94 Seville.
  96. 1994 cadillac seville Spark plug change
  97. Bad head gaskets or user error?
  98. northstar pre-trip opinion
  99. Source for engine internal parts?
  100. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  101. If Engine has been Studed can you Remove the heads and put the heads back with in car
  102. So where is my oil level sensor?
  103. Curious. . .crankshaft position sensors, are they reversable?
  104. Bad mileage
  105. Taking Pre-Orders for bottom end stud kits-
  106. Any good Northstar shops near Maryland?
  107. Have code P071 & P046
  108. Cost of DIY Headgaskets/studs?
  109. Ceramic coated exhaust manifolds?
  110. What is the timeline for Head Gasket failure
  111. Where are the parts for this build?
  112. MAF Housing R&R
  113. ticking tapping noise in engine video attached
  114. Interesting find........
  115. proper torque-to-yield on 99 sts
  116. Northstar 4.6 bottom end
  117. 1996 ETC Code nightmares p13
  118. 2000 STS Half-case seal gasket P/N
  119. Looks like an early factory "new" create engine
  120. Northstar Shake
  121. 5/16 course Head Bolts?
  122. Time sert removal
  123. tcc solenoid
  124. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  125. Question regarding slight motor mount/tranny thump
  126. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  127. Looking for a shop in GA that uses Studs for HG repair
  128. Help with Tune Up Northstar 4.6
  129. Disassembling my first N*
  130. bad ground the route of all evil ??
  131. Mysterious loss of coolant / 7000 miles without a problem since new studs & gaskets..
  132. Engine swap question
  133. New Guy to Northstar and their General Maintaince
  134. Torque Converter Shaft
  135. Painting engine cover and valve cover/s
  136. 1996 Cadillac Seville SLS - Replacing water pump belt HELP!
  137. Still getting Missfire-New AC Delco Plugs and new coil packs
  138. Removing exhaust down pipe on 99 Seville
  139. 94 Cadillac Seville SLS flooding out real bad
  140. New Member engine overheating problem...
  141. Oil Pressure...
  142. Pretty sure I have a fuel leak somewhere under the hood
  143. Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
  144. Oil, cams, Northstars, and ZDDP
  145. New member, 1st caddy- low coolant level warning
  146. 2000 SLS engine oddity
  147. 4.0 rebuild
  148. Northstar swap transmission please help
  149. Best method of cleaning
  150. Crank Bolt Removal and free block/tranny
  151. Time Sert Kit Needed.
  152. Iím not Convinced it the Head Gaskets again?
  153. Code question?
  154. Out the top! First time....
  155. cam swap to 4.0l
  156. Timesert Failure
  157. Looking for a GOOD shop in/near MASS for engine install.
  158. HG For Me Too!
  159. Northstar A/C
  160. ECU TROUBLE! IMPORTANT! How to fix or replace cut wires to ecu?
  161. Northstar in a 65 Corsa
  162. crank position sensor relearn
  163. I really need help OBD TROUBLE CODES 96 STS
  164. 2007 DTS Engine noise at start up help
  165. 02 Northstar in 99 sys basically complete
  166. Other Northstar Vehicles (LD8)
  167. Noticeable drop in power in warm weather
  168. norms insert alignment kit for sale
  169. 99 STS stumbles, P1370a, P1371a, P1377a codes; At wits end with this car
  170. 2000 cadillac sts completely stumped, tried everything and new to fourm.
  171. 2006 DTS Intermittent Leakage Causing Battery to go Dead Overnight
  172. new guy with 99 eldorado etc
  173. Anyone need a Stud Kit?
  174. Question about stud kit install?
  175. Timing question
  176. 94 eldo cooling problem
  177. Rear main (probable) seal leaking... talk to "Northstar performance" or no?
  178. Convert from Dex-Cool to green antifreeze
  179. Cracked Blocks. CKP swap to 00+ blocks?
  180. '96 STS starting trouble & heat only on right side
  181. how to replace a1994 sls map sensor, code p032
  182. Can anyone comment on the differences in '06 to '10 Vin Y (LD8) engines from '05
  183. 2002 Northstar security
  184. EMERGENCY! I have an interview tomorrow and my Car (2000 Eldo) is down!
  185. 2002 4t80e tranny
  186. Internal Engine Questions!
  187. Trouble communicating with Northstar Performance.
  188. It's been asked before, but more specifically.ACD 41-OEM Sparkplugs vs Denso Iridium
  189. Who has done the Most head gasket jobs on N's
  190. New supplier for a high performance exhaust crossover pipe
  191. Who has used studs from Northstar Performance ?
  192. Northstar XV12 engine
  193. Message to all stud kit customers, past, present, and future.
  194. Lower crankcase reseal questions
  195. Best Reasonably Priced Socket Tools?
  196. 2000 Eldo front cam cover gasket replacement
  197. P1599 - Engine Stall or Near Stall Detected
  198. No longer a Cadillac owner :-(
  199. PVC valve,where are you?
  200. Replaced head gaskets and northstar performance studs with egine in car
  201. Problem solved!
  202. Greetings all, Newby here. Got a '94 Eldo Northstar w/ zero problems and...
  203. new spark plugs and radio static
  204. Northstar removal guide - feedback wanted
  205. Crankcase half leak?
  206. 05 Northstar Timing Chain Failure?
  207. another shop pulling a scam?
  208. MAF SENSOR ISSUE 2000 Cadillac Seville SLS
  209. spark plugs
  210. Is it just me or does it seem like there are a lot more bad head gaskets, esp 2000+
  211. ignition switch keeps blowing on 02 deville
  212. idle vibration and no other codes/symptoms
  213. fuel pump info please
  214. 95 seville smokes tons at idle after sitting for a year
  215. Tapping Noise
  216. Coolant temp sensor
  217. 2002 Deville Mechanics are stumped
  218. white/blue smoke
  219. Fel-Pro or OEM gaskets?
  220. change to synthetic to help oil consumption?
  221. Steel of a deal?
  222. 94 top intake cover bolts- which side up
  223. 2002 Deville completely died at 80 mph
  224. pulsating engine and trans kickdown too high
  225. P0101 and P0741 -2000 Deville
  226. Cam shaft code 99 deville ongoing project with hg repair
  227. Blown Head Gasket 00 Deville
  228. God Bless America - stud kits to ship from new USA location
  229. Any differences between N* in 98 Deville and 98 Seville?
  230. 98 Deville HG failure
  231. Minimum idle speed adjustment on 1996 throttle body
  232. My NorthStar Head Stud installation picture
  233. bad idle and shuts off
  234. Question on Northstar small cover bolts, what size wrench?
  235. 2002 Cadillac DeVille and engine skip
  236. dropping Northstar
  237. Scan Tools For The DIY
  238. engine form 97 into 99?
  239. 94 4.6 Water Pump Housing question
  240. Northstar Performance - 24 hour head gasket repair & bottom end re-seal
  241. 1998 Deville, Both Cooling Fans fail to turn on when commanded with TECH II
  242. 1998 Deville Waterpump housing cover gasket is it reall a dealer only item
  243. Radiator Flush 02 deville
  244. Cannot remove spark plugs
  245. Crankshaft Sensors
  246. Crankshaft sensor?
  247. Fixed - Map sensors keep failing on 94 NorthStar
  248. Which motor mount is this?
  249. Stalls when stopping/stopped
  250. Help!!