: Northstar Engines and System Technical Discussion



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  1. 1994 cadillac seville Spark plug change
  2. Bad head gaskets or user error?
  3. northstar pre-trip opinion
  4. Source for engine internal parts?
  5. First post: Anyone know if the RWD and AWD wire harnesses are the same for 04-05 STS?
  6. If Engine has been Studed can you Remove the heads and put the heads back with in car
  7. So where is my oil level sensor?
  8. Curious. . .crankshaft position sensors, are they reversable?
  9. Bad mileage
  10. Taking Pre-Orders for bottom end stud kits-
  11. Any good Northstar shops near Maryland?
  12. Have code P071 & P046
  13. Cost of DIY Headgaskets/studs?
  14. Ceramic coated exhaust manifolds?
  15. What is the timeline for Head Gasket failure
  16. Where are the parts for this build?
  17. MAF Housing R&R
  18. ticking tapping noise in engine video attached
  19. Interesting find........
  20. proper torque-to-yield on 99 sts
  21. Northstar 4.6 bottom end
  22. 1996 ETC Code nightmares p13
  23. 2000 STS Half-case seal gasket P/N
  24. Looks like an early factory "new" create engine
  25. Northstar Shake
  26. 5/16 course Head Bolts?
  27. Time sert removal
  28. tcc solenoid
  29. Just got exhaust work done and now I'm getting some codes... Advice? 2002 DTS
  30. Question regarding slight motor mount/tranny thump
  31. 85 Northstar head gasket jobs completed 85 Cadillacs saved!
  32. Looking for a shop in GA that uses Studs for HG repair
  33. Help with Tune Up Northstar 4.6
  34. Disassembling my first N*
  35. bad ground the route of all evil ??
  36. Mysterious loss of coolant / 7000 miles without a problem since new studs & gaskets..
  37. Engine swap question
  38. New Guy to Northstar and their General Maintaince
  39. Torque Converter Shaft
  40. Painting engine cover and valve cover/s
  41. 1996 Cadillac Seville SLS - Replacing water pump belt HELP!
  42. Still getting Missfire-New AC Delco Plugs and new coil packs
  43. Removing exhaust down pipe on 99 Seville
  44. 94 Cadillac Seville SLS flooding out real bad
  45. New Member engine overheating problem...
  46. Oil Pressure...
  47. Pretty sure I have a fuel leak somewhere under the hood
  48. Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
  49. Oil, cams, Northstars, and ZDDP
  50. New member, 1st caddy- low coolant level warning
  51. 2000 SLS engine oddity
  52. 4.0 rebuild
  53. Northstar swap transmission please help
  54. Best method of cleaning
  55. Crank Bolt Removal and free block/tranny
  56. Time Sert Kit Needed.
  57. I’m not Convinced it the Head Gaskets again?
  58. Code question?
  59. Out the top! First time....
  60. cam swap to 4.0l
  61. Timesert Failure
  62. Looking for a GOOD shop in/near MASS for engine install.
  63. HG For Me Too!
  64. Northstar A/C
  65. ECU TROUBLE! IMPORTANT! How to fix or replace cut wires to ecu?
  66. Northstar in a 65 Corsa
  67. crank position sensor relearn
  68. I really need help OBD TROUBLE CODES 96 STS
  69. 2007 DTS Engine noise at start up help
  70. 02 Northstar in 99 sys basically complete
  71. Other Northstar Vehicles (LD8)
  72. Noticeable drop in power in warm weather
  73. norms insert alignment kit for sale
  74. 99 STS stumbles, P1370a, P1371a, P1377a codes; At wits end with this car
  75. 2000 cadillac sts completely stumped, tried everything and new to fourm.
  76. 2006 DTS Intermittent Leakage Causing Battery to go Dead Overnight
  77. new guy with 99 eldorado etc
  78. Anyone need a Stud Kit?
  79. Question about stud kit install?
  80. Timing question
  81. 94 eldo cooling problem
  82. Rear main (probable) seal leaking... talk to "Northstar performance" or no?
  83. Convert from Dex-Cool to green antifreeze
  84. Cracked Blocks. CKP swap to 00+ blocks?
  85. '96 STS starting trouble & heat only on right side
  86. how to replace a1994 sls map sensor, code p032
  87. Can anyone comment on the differences in '06 to '10 Vin Y (LD8) engines from '05
  88. 2002 Northstar security
  89. EMERGENCY! I have an interview tomorrow and my Car (2000 Eldo) is down!
  90. 2002 4t80e tranny
  91. Internal Engine Questions!
  92. Trouble communicating with Northstar Performance.
  93. It's been asked before, but more specifically.ACD 41-OEM Sparkplugs vs Denso Iridium
  94. Who has done the Most head gasket jobs on N's
  95. New supplier for a high performance exhaust crossover pipe
  96. Who has used studs from Northstar Performance ?
  97. Northstar XV12 engine
  98. Message to all stud kit customers, past, present, and future.
  99. Lower crankcase reseal questions
  100. Best Reasonably Priced Socket Tools?
  101. 2000 Eldo front cam cover gasket replacement
  102. P1599 - Engine Stall or Near Stall Detected
  103. No longer a Cadillac owner :-(
  104. PVC valve,where are you?
  105. Replaced head gaskets and northstar performance studs with egine in car
  106. Problem solved!
  107. Greetings all, Newby here. Got a '94 Eldo Northstar w/ zero problems and...
  108. new spark plugs and radio static
  109. Northstar removal guide - feedback wanted
  110. Crankcase half leak?
  111. 05 Northstar Timing Chain Failure?
  112. another shop pulling a scam?
  113. MAF SENSOR ISSUE 2000 Cadillac Seville SLS
  114. spark plugs
  115. Is it just me or does it seem like there are a lot more bad head gaskets, esp 2000+
  116. ignition switch keeps blowing on 02 deville
  117. idle vibration and no other codes/symptoms
  118. fuel pump info please
  119. 95 seville smokes tons at idle after sitting for a year
  120. Tapping Noise
  121. Coolant temp sensor
  122. 2002 Deville Mechanics are stumped
  123. white/blue smoke
  124. Fel-Pro or OEM gaskets?
  125. change to synthetic to help oil consumption?
  126. Steel of a deal?
  127. 94 top intake cover bolts- which side up
  128. 2002 Deville completely died at 80 mph
  129. pulsating engine and trans kickdown too high
  130. P0101 and P0741 -2000 Deville
  131. Cam shaft code 99 deville ongoing project with hg repair
  132. Blown Head Gasket 00 Deville
  133. God Bless America - stud kits to ship from new USA location
  134. Any differences between N* in 98 Deville and 98 Seville?
  135. 98 Deville HG failure
  136. Minimum idle speed adjustment on 1996 throttle body
  137. My NorthStar Head Stud installation picture
  138. bad idle and shuts off
  139. Question on Northstar small cover bolts, what size wrench?
  140. 2002 Cadillac DeVille and engine skip
  141. dropping Northstar
  142. Scan Tools For The DIY
  143. engine form 97 into 99?
  144. 94 4.6 Water Pump Housing question
  145. Northstar Performance - 24 hour head gasket repair & bottom end re-seal
  146. 1998 Deville, Both Cooling Fans fail to turn on when commanded with TECH II
  147. 1998 Deville Waterpump housing cover gasket is it reall a dealer only item
  148. Radiator Flush 02 deville
  149. Cannot remove spark plugs
  150. Crankshaft Sensors
  151. Crankshaft sensor?
  152. Fixed - Map sensors keep failing on 94 NorthStar
  153. Which motor mount is this?
  154. Stalls when stopping/stopped
  155. Help!!
  156. ♠ The never had a headgasket problem club…
  157. Cam Cover Colors
  158. P0410 and P0418 on 2005 Bonneville GXP
  159. Spark plug replacment
  160. 94 STS Acceleration issue
  161. EGR or IAC problem on -95 Eldo
  162. Northstar Headgasket Leak/Headbolts......Northstar Performance Bolts
  163. Sticky gas pedal
  164. Cannonball Run Sept 3/2011
  165. Would my baby make it?
  166. GM's response to ZDDP reduction in oil
  167. 1998 Cadillac STS overheating
  168. steel sleeve/block
  169. water pump cover gasket
  170. p0300
  171. New owner of a 98 Eldorado and need some advice
  172. Sub: The wikipedia of Cadillacs
  173. water pump cover leak
  174. headgasket thickness?!
  175. Garage sale
  176. Jake's studs make me happy in the pants.
  177. Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade
  178. 98 deville concour... correct spark plug gap
  179. Introduction and a little desperate for a fix
  180. 1998 Northstar throttle sticking.
  181. Coolant System Questions 1996 Cadillac Deville
  182. 98 seville sts white smoke
  183. Note to all stud kit customers, effective immediately pricing and policy changes.
  184. 2000 Deville Misfire
  185. Frequency of HG Failure by Age & Miles
  186. why is over filling bad ?
  187. Removing front valve covers from 99 STS engine in car.
  188. Catalytic Converter operating temp specs
  189. For those of you who've successfully rebuilt a northstar engine. . .
  190. cold carbon rap
  191. Note from grampa
  192. Jake i hope you are still here and have not left Thank you Jake for all you do
  193. when i get the heater core replaced to i stay Dex or go green
  194. Swapping PCM
  195. 99 STS running cold (yes cold!!)
  196. Denso Products
  197. '98 DeVille Northstar dies while coasting.
  198. 2000 seville SLS engine removal
  199. 94 Northstar Ecm options
  200. 350 Cadillac head gasket jobs completed
  201. 4.6 northstar injector information
  202. '99 STS with 16k miles, go for it or no?
  203. Bad MPG is freezing weather
  204. The dreaded weekly P0741 engine code & a fix
  205. Northstar Making a Loud Noise - Need Help!
  206. 99 STS Project
  207. Dead starter?
  208. looking for mechanic who does Time sert
  209. Northstar Engine Swap
  210. codes
  211. 2001 Northstar - Head Gaskets blown or not?? I'm stumped!!
  212. About to pull engine for head gaskets, mods and other repairs while engine is out
  213. Sea foaming l37
  214. Olds Aurora Hesitating
  215. Does anyone know how the steering wheel position sensor works?
  216. Delco has new oil filter design
  217. need an northstar engine block ,northstar performance?
  218. Best Economical Way to Get A Car to Jake in Canada
  219. Well, yard engine and tranny installed and took it on a test drive for a hundred mile
  220. Doing HG 1997 STS: questions!
  221. What would it take to mount this on an Eldorado?
  222. Why me? Two Northstars with failed head bolts/gaskets
  223. 96 Deville high idle.
  224. hard cold starting
  225. Wonders if I could run drano thru my heater core to unclog? Lol
  226. Modified Olds Aurora. Merry Christmas everyone!
  227. Torque converter.
  228. anyone here done the ring cleaning procedure?
  229. Bucks, sometimes stalls only under load
  230. 1997 eldorado with northstar
  231. Jake Wiebe, The Clown Prince of Cadillacs
  232. 2000 no roller cams i thout they where 2000 and up
  233. Got the Seville Back today Engine totaly rebuit with studs perfect
  234. Anyone know where the ground wires are for the ignition modules on 00+ Northstars?
  235. Verge of business closure and loss of the stud repair system
  236. When I put my half axles back in the trans one is out further than the other
  237. leaking Water Pump 2000 dts cadillac
  238. No cost HG replacement job, hopefully for a worthy cause this Christmas -
  239. Anyone have Picture of there Stud Job ?
  240. Anyone know what the washer and speednut on the rear transaxle mount is for?
  241. Jake, please get in contact with me
  242. carbonized pistons what does it mean ?
  243. 2000 and Newer Head Gaskets?
  244. RIP my 98. Engine goes boom at < 25,000 miles.
  245. couple questions on 2 loose ends...
  246. Suggestions for keeping 05 4.6L in mint condition?
  247. Can a torn plenum cause P0106?
  248. Best way to mate the engine to the transmission, flowers and wine?
  249. 3 out of 3: Intake Plenum
  250. Work has Been Started ThisMorning on my Baby