: Northstar Engines and System Technical Discussion



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  1. Another 2000+ head gasket failure
  2. 01 Deville DHS N* Repair in DFW Metroplex
  3. SureGrip stud kit / jig combo allignment?
  4. How hard to try to pull the head bolts on Northstar?
  5. How do I pull the airbox in my Eldo?
  6. 2000 Deville Crank Sensor Problems.. Please help if you can..
  7. ethanol or not
  8. Areas to look at while doing a HG repair
  9. PCM/EBTCM Pin Diagram, 2001 SLS
  10. Jake, wish you best of Luck !!
  11. What wire for the Speedo?
  12. Time sert kit kit # 500
  13. Torque Converter Whine
  14. PCM and engine switching
  15. 4T80E Viscous Torque Converter Internals / Clutch Failure (Lots of pictures included)
  16. timeserts
  17. Northstar removal
  18. Blocks, cracks and heat
  19. Please help: 1996 deville hard starting ?
  20. 2000 Deville using oil
  21. 2003 Deville engine start problem
  22. What exactly is a "base model" Deville ?
  23. need to replace flywheel
  24. Service engine light
  25. Possible to run northstar on an engine stand or outside of the car?
  26. Oil leak 2004 DHS could switching to Syn oil at 60k cause a leak or make one worse
  27. A few codes to clear up (02 Deville)
  28. Northstar Camshaft Wear - Common? Cause?
  29. My 98 Deville N* HG repair adventure !!
  30. northstar engine several issues--need major help
  31. Water pump removal
  32. Northstar coolant leak
  33. More Northstar repair services......ENJOY
  34. Shell Rimula R6 ME 5W30
  35. Camshaft pulley removal
  36. P0300 Code goes off at high rpm.
  37. Turbo'ed 98-04 STS N*
  38. 99' cadillac head gasket problems
  39. Fuel Injector resistance 1994 Northstar motor
  40. Northstar Main Studs-
  41. $575 99 Seville project Car overheating
  42. My Little Northstar engine Project
  43. Trans question p0748 after trans repaired by rebuilder
  44. 1994 Deville Concours PCM Replacement
  45. 94 Deville Concours PCM Codes P041 and P119
  46. Misfire Cylender 4 Low Compresion after flashing SES and p0300
  47. prospective owner with HG question
  48. tcc solenoid need help asap
  49. egr blockoff
  50. 01 eldorado ESC "hard" starting and once wouldn't start
  51. Shelby 1 Olds Supercharged Aurora - How About LS9 or LSA?
  52. Direct Injection - Technology Question
  53. Bought the '97 etc replacement
  54. Advice from some repair guys on cleaning processes
  55. 94 STS head gasket question
  56. Doesn't seem to be the head gasket but still overheats
  57. Looking for HG Repair Shop in Southeast US
  58. evap solonoid
  59. Ebay: Brand new Vortech Supercharged Aurora 4.0 engine
  60. 1995 elder northstar cooling
  61. how to change camshaft position sensor on 1997 sts
  62. Not happy with Federal Mogul's quality levels anymore. Specifically Fel-Pro.
  63. 1994 SLS Northstar running rich and stalling
  64. Front seal is leaking
  65. Thorttle body problem and code p2135
  66. Ignition drop-outs
  67. L37, ld8, l47 & lx5
  68. My 98 Deville with straight pipes... what do you guys think?
  69. hg repairs
  70. Wierd Temperature spikes 02 deville
  71. There was a thread or sticky that was all about engine oild and dino or conventional
  72. Oil pump prime
  73. Motor Mount project
  74. Hello Everyone, I need help with getting an engine......
  75. P0304 Misfire cylinder 4
  76. N* picky about motor oil?
  77. Timing chain seems loose on a 4.6L Deville.
  78. 99 deville fans just stop both of them
  79. Replacing a TPS in a 99 Deville?
  80. 2000 Deville Idle Relearn
  81. Polishing Cam lobes?
  82. Northstar Tuneup
  83. Felpro intake manifold gaskets
  84. PCM Codes P0171 and P0174
  85. 100 Cadillac head gasket repairs completed
  86. NorthStar Engine Block Crack Have you had one What year and how did it crack
  87. 4.6 N* Crank shaft / oil pump question
  88. hard starting 1997 sts
  89. air in coolant system?
  90. more electrical gremlins
  91. No fuel pressure
  92. Photos of the CNC turning center-
  93. 98 STS White smoke on accelation
  94. Should I have my brand new, never fired 4.0 long-block studded?
  95. Found my coolant leak
  96. Oil pump seal/oring
  97. Looking for a SPECIFIC N* Removal Guide
  98. Remote start and push button ignition
  99. Consequences of driving with failed HG
  100. How to space piston rings
  101. Cam journal caps broke
  102. Should I replace PCM? Need 2nd & 3rd opinions
  103. New owner of 1997 Eldorado, many questions
  104. N* To pull or not to pull, A/C is the question.
  105. 2002 Deville; Installing Vin Y Engine Into Vin 9 Car
  106. Northstar PCM Tuning
  107. Cross over gaskets ?
  108. Smells like exhaust in antifreeze again............... ?
  109. Disabling air injection system in 2002 engine?
  110. Couple of problems with my 94 Seville.
  111. 1994 cadillac seville Spark plug change
  112. Bad head gaskets or user error?
  113. northstar pre-trip opinion
  114. Source for engine internal parts?
  115. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  116. If Engine has been Studed can you Remove the heads and put the heads back with in car
  117. So where is my oil level sensor?
  118. Curious. . .crankshaft position sensors, are they reversable?
  119. Bad mileage
  120. Taking Pre-Orders for bottom end stud kits-
  121. Any good Northstar shops near Maryland?
  122. Have code P071 & P046
  123. Cost of DIY Headgaskets/studs?
  124. Ceramic coated exhaust manifolds?
  125. What is the timeline for Head Gasket failure
  126. Where are the parts for this build?
  127. MAF Housing R&R
  128. ticking tapping noise in engine video attached
  129. Interesting find........
  130. proper torque-to-yield on 99 sts
  131. Northstar 4.6 bottom end
  132. 1996 ETC Code nightmares p13
  133. 2000 STS Half-case seal gasket P/N
  134. Looks like an early factory "new" create engine
  135. Northstar Shake
  136. 5/16 course Head Bolts?
  137. Time sert removal
  138. tcc solenoid
  139. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  140. Question regarding slight motor mount/tranny thump
  141. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  142. Looking for a shop in GA that uses Studs for HG repair
  143. Help with Tune Up Northstar 4.6
  144. Disassembling my first N*
  145. bad ground the route of all evil ??
  146. Mysterious loss of coolant / 7000 miles without a problem since new studs & gaskets..
  147. Engine swap question
  148. New Guy to Northstar and their General Maintaince
  149. Torque Converter Shaft
  150. Painting engine cover and valve cover/s
  151. 1996 Cadillac Seville SLS - Replacing water pump belt HELP!
  152. Still getting Missfire-New AC Delco Plugs and new coil packs
  153. Removing exhaust down pipe on 99 Seville
  154. 94 Cadillac Seville SLS flooding out real bad
  155. New Member engine overheating problem...
  156. Oil Pressure...
  157. Pretty sure I have a fuel leak somewhere under the hood
  158. Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
  159. Oil, cams, Northstars, and ZDDP
  160. New member, 1st caddy- low coolant level warning
  161. 2000 SLS engine oddity
  162. 4.0 rebuild
  163. Northstar swap transmission please help
  164. Best method of cleaning
  165. Crank Bolt Removal and free block/tranny
  166. Time Sert Kit Needed.
  167. Iím not Convinced it the Head Gaskets again?
  168. Code question?
  169. Out the top! First time....
  170. cam swap to 4.0l
  171. Timesert Failure
  172. Looking for a GOOD shop in/near MASS for engine install.
  173. HG For Me Too!
  174. Northstar A/C
  175. ECU TROUBLE! IMPORTANT! How to fix or replace cut wires to ecu?
  176. Northstar in a 65 Corsa
  177. crank position sensor relearn
  178. I really need help OBD TROUBLE CODES 96 STS
  179. 2007 DTS Engine noise at start up help
  180. 02 Northstar in 99 sys basically complete
  181. Other Northstar Vehicles (LD8)
  182. Noticeable drop in power in warm weather
  183. norms insert alignment kit for sale
  184. 99 STS stumbles, P1370a, P1371a, P1377a codes; At wits end with this car
  185. 2000 cadillac sts completely stumped, tried everything and new to fourm.
  186. 2006 DTS Intermittent Leakage Causing Battery to go Dead Overnight
  187. new guy with 99 eldorado etc
  188. Anyone need a Stud Kit?
  189. Question about stud kit install?
  190. Timing question
  191. 94 eldo cooling problem
  192. Rear main (probable) seal leaking... talk to "Northstar performance" or no?
  193. Convert from Dex-Cool to green antifreeze
  194. Cracked Blocks. CKP swap to 00+ blocks?
  195. '96 STS starting trouble & heat only on right side
  196. how to replace a1994 sls map sensor, code p032
  197. Can anyone comment on the differences in '06 to '10 Vin Y (LD8) engines from '05
  198. 2002 Northstar security
  199. EMERGENCY! I have an interview tomorrow and my Car (2000 Eldo) is down!
  200. 2002 4t80e tranny
  201. Internal Engine Questions!
  202. Trouble communicating with Northstar Performance.
  203. It's been asked before, but more specifically.ACD 41-OEM Sparkplugs vs Denso Iridium
  204. Who has done the Most head gasket jobs on N's
  205. New supplier for a high performance exhaust crossover pipe
  206. Who has used studs from Northstar Performance ?
  207. Northstar XV12 engine
  208. Message to all stud kit customers, past, present, and future.
  209. Lower crankcase reseal questions
  210. Best Reasonably Priced Socket Tools?
  211. 2000 Eldo front cam cover gasket replacement
  212. P1599 - Engine Stall or Near Stall Detected
  213. No longer a Cadillac owner :-(
  214. PVC valve,where are you?
  215. Replaced head gaskets and northstar performance studs with egine in car
  216. Problem solved!
  217. Greetings all, Newby here. Got a '94 Eldo Northstar w/ zero problems and...
  218. new spark plugs and radio static
  219. Northstar removal guide - feedback wanted
  220. Crankcase half leak?
  221. 05 Northstar Timing Chain Failure?
  222. another shop pulling a scam?
  223. MAF SENSOR ISSUE 2000 Cadillac Seville SLS
  224. spark plugs
  225. Is it just me or does it seem like there are a lot more bad head gaskets, esp 2000+
  226. ignition switch keeps blowing on 02 deville
  227. idle vibration and no other codes/symptoms
  228. fuel pump info please
  229. 95 seville smokes tons at idle after sitting for a year
  230. Tapping Noise
  231. Coolant temp sensor
  232. 2002 Deville Mechanics are stumped
  233. white/blue smoke
  234. Fel-Pro or OEM gaskets?
  235. change to synthetic to help oil consumption?
  236. Steel of a deal?
  237. 94 top intake cover bolts- which side up
  238. 2002 Deville completely died at 80 mph
  239. pulsating engine and trans kickdown too high
  240. P0101 and P0741 -2000 Deville
  241. Cam shaft code 99 deville ongoing project with hg repair
  242. Blown Head Gasket 00 Deville
  243. God Bless America - stud kits to ship from new USA location
  244. Any differences between N* in 98 Deville and 98 Seville?
  245. 98 Deville HG failure
  246. Minimum idle speed adjustment on 1996 throttle body
  247. My NorthStar Head Stud installation picture
  248. bad idle and shuts off
  249. Question on Northstar small cover bolts, what size wrench?
  250. 2002 Cadillac DeVille and engine skip