: Northstar Engines and System Technical Discussion



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