: Northstar Engines and System Technical Discussion



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  1. Please help guy
  2. Northstar engine swap 2000 put in a 96 Northstar
  3. Power steering leak
  4. 97 sls shifting problem
  5. Deleting govnor on a 2000 eldorado????
  6. Service Engine Soon Codes 1022 & 1122
  7. Coolant Change Help
  8. Head Gasket Repair, now noticed block is cracked
  9. Priming the oil pump
  10. Confused as hell
  11. ATF Question...
  12. cooling fans come on at what temp?
  13. add torque struts(dog bones) to 99 seville
  14. Turbo Charged 99 STS
  15. What tools do you need for a hg/engine pull job
  16. headgasket need used insert kit
  17. Recent Stud Kit Customers - READ THIS PLEASE
  18. HELP My mechanic says I have carboned lifters
  19. What color are stock gaskets?
  20. Dumb head gasket question
  21. Resetting Timing after Head Gasket job.
  22. Cadillac Engineers please help us!
  23. how do i change my idle
  24. head gasket help!!!!!!
  25. Transmission cooling
  26. Idle at 3000 RPM HELP!!!
  27. added power?
  28. northstar crank sensors
  29. 2000 DTS plugs and hoses - tough job, I think
  30. FPR acting up
  31. 98+ STS brake upgrade?
  32. Spark plugs
  33. Email conversation with HEAL-A-SEAL
  34. O2 Sensors
  35. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  36. 06 DTS crank seal leaking
  37. 4t80e side cover drain
  38. '98 STS stumbles and misses (NO CEL)
  39. MAP sensor keeps going bad - 94 N*
  40. 2004 dhs starting problem
  41. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  42. headgasket being repaired
  43. High mileage oils
  44. P0420 code
  45. Wot?
  46. You'll never guess what I broke today
  47. 95 STS fluctuating rpm and slight bogging while driving
  48. 1993 Cadillac sts 4.6 idle fluctuating
  49. SLS engine and trannie in a STS?
  50. Air conditioning compressor clutch bearing
  51. Manifold Blowoff Leaking - parking break stuck
  52. 110,000 miles, what else should be done along with head gaskets?
  53. "Tic Tic Tic" sound on 02 SLS
  54. Flashing SES/P0300
  55. Working on mama's Caddy. Need help with O2 Sensor
  56. Head Gasket?
  57. Investors needed. Big time.
  58. thermostat housing gasket? 99 sts
  59. New England area Northstar mechanics? (Head Gaskets)
  60. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  61. That's a lot of smoke! (exhaust)
  62. Mobile 1 Clean High Mileage
  63. Chocolate Milk in the oilpan
  64. Heater Core Inlet Connector O-Ring Leak
  65. Breakthrough for anyone with bad exhaust cams
  66. 96 Aurora 4.0
  67. Idle Too Low P0506 New Throttle Body?
  68. Northstar mechanic on Long Island?
  69. 4t80E shift solenoid part #
  70. B0149
  71. Code P119
  72. HeadGasket Repaired - cost $1500 - but more problems?...
  73. 95 Eldo headgaskets?
  74. Only overheats when the AC or the heat is on....
  75. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  76. Aftermarket Temp. Gauge
  77. Coolant Supply Line
  78. Idles rough after being started in the morning
  79. Best way to clean the engine bay?
  80. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  81. Tricky Coolant Leak
  82. Coming back home
  83. 2000 DHS exhaust smoking and running poor
  84. 4 Engine Questions
  85. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  86. Any thoughts on this...
  87. tap for time serts
  88. Just bought a 98 Deville, was overheating, am I paranoid?
  89. 208 at 40+ 212 at <40
  90. low oil pressure
  91. Batman's Northstar
  92. Another Wont crank issue
  93. Woohoo...Head gasket repair is done
  94. 1998 Deville acceleration slip
  95. Steering joint bolt
  96. My bone stock '98 STS pulled a 14.95 in the 1/4
  97. Weird Noise
  98. Heartland High Mileage Oil Changer Review
  99. 95 sls n* solenoid clicking
  100. Interesting find
  101. Valve cover bolts???
  102. Timing mark clarification
  103. Engine in the car repair... how many gaskets?
  104. Front hydraulic motor mount
  105. I can't get the CV joint to separate from the Trans
  106. 1993 Caddillac Eldorado - Timing Chain Issue
  107. Stud Kit Success!!
  108. Ways to increase performance?
  109. Radiator leaks and engine runs rough, no codes
  110. Ethanol Blends
  111. 98 Eldorado Starting Problems
  112. Problems removing head dowels
  113. Another visit to the track
  114. 95 vs 99 Northstar
  115. Tuning up the engine.
  116. Head Gasket Repair At Your Location!
  117. Head Gasket Paranoia
  118. catalyst converter replaced
  119. 93 STS Lots of smoke after fillup
  120. Exact oil filter wrench for 1996 Seville SLS
  121. new northstar
  122. Super Noob needs help overheating
  123. Nitrous Help: 01 DTS
  124. Head gasket removal, best practices
  125. 01 deville o2's locations?
  126. Head stud kit
  127. Documenting a swap: N* 4.6 / 97 STS
  128. 2005 DTS Twin Turbo project??
  129. No pcm data
  130. No pcm data?
  131. WIll a 98 vin 9 motor go into a 94 STS
  132. another newbie HG question
  133. NEW - 2002 Head Gasket Failure - Best Fix...
  134. Failed Smog Emissions Northstar
  135. What could it be?
  136. Exchange fluids how often?
  137. Tuning thread. Disappointed, but I understand.
  138. looking to buy a Caddy
  139. AC Delco platinum plug gap settings for N*
  140. how do i get my car to northstar preformance, uh cheaply?
  141. Engine 'misses' at stoplights
  142. where to get my head gasket repaired?
  143. Engine Shaking
  144. 4.6 Prevention and maintenance for longer life IE head gaskets.
  145. How to properly switch from red to green in a 2000 STS
  146. Water Pump Issue
  147. Lucas Oil Stabilizer
  148. Rough idle and low speed chug
  149. barS headgasket repair, has anyone tried it?
  150. Secondary Air Injection Check Valve... Bent?
  151. 2000 STS motor mount help?
  152. Oil pressure dummy light flickers...
  153. Head Bolts...
  154. Slight stumble, no codes
  155. 97 Deville wont start in the morning
  156. Stud Kit Help
  157. A kitten caused my Serpentine Belt to come off
  158. Check Coolant Level
  159. Cleaning Heads and Block
  160. Over Heating... HELP!!!
  161. 2001 deville rough idle
  162. engine grounds
  163. manifold blowoff
  164. sealant for blown heads?
  165. 1994 STS Overheating (I think)...
  166. Block Identification Numbers
  167. Snapping noise when coming to a stop..Answered Finally!!!
  168. Overheating Eldorado Help
  169. need some help
  170. 05' STS. Little help with P0102 please
  171. 2000 DTS P0300 code
  172. Head gasket repair
  173. P041 1994 deville concours
  174. Quick Oil Question
  175. rough idle, no codes, rough start
  176. coolant leak
  177. STS Radiator Hose Replacement
  178. 95 Eldorado ETC - Cooling system
  179. power steering line: o-ring?
  180. broken bolt in oil pan
  181. Water pump & crossover gasket - $$$$
  182. Help Me Please
  183. Rad Cap PSI was wrong
  184. Coolant Leak. Where's it coming from?
  185. Water pump Purge line?
  186. 5w30 or 0w30
  187. Destroying a N* Engine
  188. N* engine removal - newbee
  189. 02 DHS overheating
  190. TCC Stuck Off
  191. No clue what to do. Northstar blues
  192. problem with map sensors
  193. 2001 caddy sts seville tranny
  194. What is going on with the car?
  195. Spark Plug Wires
  196. "Hush" or "Gasp" Before Expected Throttle Response
  197. my 93 ETC Eldorado N* has a question for you guys
  198. Which spark plugs to buy?
  199. Thoughts on Dex-Cool and Head Gaskets
  200. 2001 cadillac deville small hesitations
  201. Normal Operating Temperature?
  202. Intermittent starting issue 97Seville SLS
  203. Trouble finding exhaust leak 99 Deville Y motor
  204. Is 235 too hot for a N*star on hilly roads?
  205. Spark Plugs ACDELCO or somthign els ?
  206. Good mechanics to fix head gasket in Oceanside, California area
  207. rough idle, only when in gear and brake on
  208. The first head gasket failure - 1 out of around 90 or so
  209. Tranny problems?
  210. how to install serpentine belt on 98 concours
  211. engine swap
  212. Why high fuel pressure?
  213. 1997 Northstar low speed hesitation and noise
  214. 2001 DeVille DHS / North Star motor losing power
  215. Air-Dam / Belly Splash Guard importance on cooling your N*
  216. Make Your Own Damn Motor Mount
  217. cooling fans inop p01660
  218. Hard shifting 1-2 Help!
  219. Fabricated Torque Strut for the 2000+ Northstar
  220. Horrible Engine Bucking 93 N* Allante
  221. 1998 Seville STS Performance Engine Build - STAGE I
  222. My pulley melted
  223. 01 Deville issues, no codes, no check engine light
  224. '96 Deville Coolant Change
  225. Overheating
  226. White smoke after changing starter (by removing intake manifold)
  227. No current codes but...
  228. N* Powered Camaro
  229. Strange coolant/heat issue 99 STS
  230. 1998 STS engine full of mystery sludge?!
  231. Rough idle-stumble on accel
  232. 95 Eldorado 4.6L Engine stalls
  233. Oil in intake manifold 4.6 1993
  234. 98 Deville Concours Preformance Exhaust???
  235. Engine year compatibility
  236. Sucessful Northstar head gasket repair in a bottle
  237. PCM 09354896 code DCHJ
  238. 1997 4.6 eldorado up hill over heats
  239. fuel injector ohms
  240. 93 sts fuel rail removal tools
  241. Air ride compressor
  242. Overheating??
  243. Codes P0122 and P1122...
  244. Motor mount replaced!! WTF!!!!!
  245. 1996 Seville STS O2 Sensor REMOVAL. CAN"T GET TO IT
  246. 96 Seville where's the 02 Oxygen Sensor Location?? PLEASE HELP WONT PASS EMISSIONS!!!
  247. Long road trips good for the Northstar?
  248. headgaskets a 2nd time?
  249. 97 eldorado w/180,000 miles, should i upgrade to a preformance coil?
  250. 94 eldorado 4.6 - no codes - stumbling/chugging - about to give up