: Northstar Engines and System Technical Discussion



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  1. P0621 Code Batt not Charging/Svc Chrg Sys
  2. Looking to do a HG job for the holidays?
  3. need tranny parts advise
  4. Anyone in Ontario with a good scanner/reader?
  5. State by state guide to Northstar head gasket repair shops
  6. Engine Installer or Head Gasket Repair in NY, CT, NJ, MA?
  7. 4T80 experts
  8. Your Opinion
  9. Fixable or not?
  10. Why NOT to use time serts -
  11. Rear main seal & case half seal - '98 Deville
  12. EVAP switch, purge solenoid, i butchered it
  13. Northstar Performance warranty-good
  14. Misfire 1998 STS
  15. Randomly Running Extremely Rich
  16. Is there a tuner for a 2001 Deville?
  17. I need help!!!
  18. pull tranny, fix half case leak
  19. Slow start and stalling
  20. Who wants/needs a brand new Supercharged Northstar / RWD Trans?
  21. Northstar powered trike
  22. torque angle meter?
  23. pulley decides to whine
  24. Misfire on cylinder 6
  25. TCC Stuck Off (Code P0741) Still on after Solenoid Changeout
  26. Still making engine noise
  27. CHRFAB cams installed - 98 STS - the results are in
  28. Race Caddy losing coolant and making noise
  29. northstar in a camaro!
  30. timming in a 95 sts
  31. To hone? or not to hone
  32. Pulleys... A good source?
  33. timing car with engine in car
  34. 98 N* engine, blue valve cover washers?
  35. motor swap
  36. Today's Racing Question: Studs or Norm's?
  37. Please help guy
  38. Northstar engine swap 2000 put in a 96 Northstar
  39. Power steering leak
  40. 97 sls shifting problem
  41. Deleting govnor on a 2000 eldorado????
  42. Service Engine Soon Codes 1022 & 1122
  43. Coolant Change Help
  44. Head Gasket Repair, now noticed block is cracked
  45. Priming the oil pump
  46. Confused as hell
  47. ATF Question...
  48. cooling fans come on at what temp?
  49. add torque struts(dog bones) to 99 seville
  50. Turbo Charged 99 STS
  51. What tools do you need for a hg/engine pull job
  52. headgasket need used insert kit
  53. Recent Stud Kit Customers - READ THIS PLEASE
  54. HELP My mechanic says I have carboned lifters
  55. What color are stock gaskets?
  56. Dumb head gasket question
  57. Resetting Timing after Head Gasket job.
  58. Cadillac Engineers please help us!
  59. how do i change my idle
  60. head gasket help!!!!!!
  61. Transmission cooling
  62. Idle at 3000 RPM HELP!!!
  63. added power?
  64. northstar crank sensors
  65. 2000 DTS plugs and hoses - tough job, I think
  66. FPR acting up
  67. 98+ STS brake upgrade?
  68. Spark plugs
  69. Email conversation with HEAL-A-SEAL
  70. O2 Sensors
  71. 01 SLS w/ Cracked Block - Need Cincy Area Mechanic
  72. 06 DTS crank seal leaking
  73. 4t80e side cover drain
  74. '98 STS stumbles and misses (NO CEL)
  75. MAP sensor keeps going bad - 94 N*
  76. 2004 dhs starting problem
  77. Attention All Northstar Technicians- New Northstar Drilling / Tapping Machine
  78. headgasket being repaired
  79. High mileage oils
  80. P0420 code
  81. Wot?
  82. You'll never guess what I broke today
  83. 95 STS fluctuating rpm and slight bogging while driving
  84. 1993 Cadillac sts 4.6 idle fluctuating
  85. SLS engine and trannie in a STS?
  86. Air conditioning compressor clutch bearing
  87. Manifold Blowoff Leaking - parking break stuck
  88. 110,000 miles, what else should be done along with head gaskets?
  89. "Tic Tic Tic" sound on 02 SLS
  90. Flashing SES/P0300
  91. Working on mama's Caddy. Need help with O2 Sensor
  92. Head Gasket?
  93. Investors needed. Big time.
  94. thermostat housing gasket? 99 sts
  95. New England area Northstar mechanics? (Head Gaskets)
  96. 6 oil leaks; gaskets replaced now intake plenum boot replaced..
  97. That's a lot of smoke! (exhaust)
  98. Mobile 1 Clean High Mileage
  99. Chocolate Milk in the oilpan
  100. Heater Core Inlet Connector O-Ring Leak
  101. Breakthrough for anyone with bad exhaust cams
  102. 96 Aurora 4.0
  103. Idle Too Low P0506 New Throttle Body?
  104. Northstar mechanic on Long Island?
  105. 4t80E shift solenoid part #
  106. B0149
  107. Code P119
  108. HeadGasket Repaired - cost $1500 - but more problems?...
  109. 95 Eldo headgaskets?
  110. Only overheats when the AC or the heat is on....
  111. 06+ STS Northstar ECM repin to 07-08, new carrer and trans install
  112. Aftermarket Temp. Gauge
  113. Coolant Supply Line
  114. Idles rough after being started in the morning
  115. Best way to clean the engine bay?
  116. 2001 Cadillac DTS Can't get up to speed, power loss, studdering, See Video
  117. Tricky Coolant Leak
  118. Coming back home
  119. 2000 DHS exhaust smoking and running poor
  120. 4 Engine Questions
  121. Is this guy being honest with me? video of a SEIZED ENGINE!!!
  122. Any thoughts on this...
  123. tap for time serts
  124. Just bought a 98 Deville, was overheating, am I paranoid?
  125. 208 at 40+ 212 at <40
  126. low oil pressure
  127. Batman's Northstar
  128. Another Wont crank issue
  129. Woohoo...Head gasket repair is done
  130. 1998 Deville acceleration slip
  131. Steering joint bolt
  132. My bone stock '98 STS pulled a 14.95 in the 1/4
  133. Weird Noise
  134. Heartland High Mileage Oil Changer Review
  135. 95 sls n* solenoid clicking
  136. Interesting find
  137. Valve cover bolts???
  138. Timing mark clarification
  139. Engine in the car repair... how many gaskets?
  140. Front hydraulic motor mount
  141. I can't get the CV joint to separate from the Trans
  142. 1993 Caddillac Eldorado - Timing Chain Issue
  143. Stud Kit Success!!
  144. Ways to increase performance?
  145. Radiator leaks and engine runs rough, no codes
  146. Ethanol Blends
  147. 98 Eldorado Starting Problems
  148. Problems removing head dowels
  149. Another visit to the track
  150. 95 vs 99 Northstar
  151. Tuning up the engine.
  152. Head Gasket Repair At Your Location!
  153. Head Gasket Paranoia
  154. catalyst converter replaced
  155. 93 STS Lots of smoke after fillup
  156. Exact oil filter wrench for 1996 Seville SLS
  157. new northstar
  158. Super Noob needs help overheating
  159. Nitrous Help: 01 DTS
  160. Head gasket removal, best practices
  161. 01 deville o2's locations?
  162. Head stud kit
  163. Documenting a swap: N* 4.6 / 97 STS
  164. 2005 DTS Twin Turbo project??
  165. No pcm data
  166. No pcm data?
  167. WIll a 98 vin 9 motor go into a 94 STS
  168. another newbie HG question
  169. NEW - 2002 Head Gasket Failure - Best Fix...
  170. Failed Smog Emissions Northstar
  171. What could it be?
  172. Exchange fluids how often?
  173. Tuning thread. Disappointed, but I understand.
  174. looking to buy a Caddy
  175. AC Delco platinum plug gap settings for N*
  176. how do i get my car to northstar preformance, uh cheaply?
  177. Engine 'misses' at stoplights
  178. where to get my head gasket repaired?
  179. Engine Shaking
  180. 4.6 Prevention and maintenance for longer life IE head gaskets.
  181. How to properly switch from red to green in a 2000 STS
  182. Water Pump Issue
  183. Lucas Oil Stabilizer
  184. Rough idle and low speed chug
  185. barS headgasket repair, has anyone tried it?
  186. Secondary Air Injection Check Valve... Bent?
  187. 2000 STS motor mount help?
  188. Oil pressure dummy light flickers...
  189. Head Bolts...
  190. Slight stumble, no codes
  191. 97 Deville wont start in the morning
  192. Stud Kit Help
  193. A kitten caused my Serpentine Belt to come off
  194. Check Coolant Level
  195. Cleaning Heads and Block
  196. Over Heating... HELP!!!
  197. 2001 deville rough idle
  198. engine grounds
  199. manifold blowoff
  200. sealant for blown heads?
  201. 1994 STS Overheating (I think)...
  202. Block Identification Numbers
  203. Snapping noise when coming to a stop..Answered Finally!!!
  204. Overheating Eldorado Help
  205. need some help
  206. 05' STS. Little help with P0102 please
  207. 2000 DTS P0300 code
  208. Head gasket repair
  209. P041 1994 deville concours
  210. Quick Oil Question
  211. rough idle, no codes, rough start
  212. coolant leak
  213. STS Radiator Hose Replacement
  214. 95 Eldorado ETC - Cooling system
  215. power steering line: o-ring?
  216. broken bolt in oil pan
  217. Water pump & crossover gasket - $$$$
  218. Help Me Please
  219. Rad Cap PSI was wrong
  220. Coolant Leak. Where's it coming from?
  221. Water pump Purge line?
  222. 5w30 or 0w30
  223. Destroying a N* Engine
  224. N* engine removal - newbee
  225. 02 DHS overheating
  226. TCC Stuck Off
  227. No clue what to do. Northstar blues
  228. problem with map sensors
  229. 2001 caddy sts seville tranny
  230. What is going on with the car?
  231. Spark Plug Wires
  232. "Hush" or "Gasp" Before Expected Throttle Response
  233. my 93 ETC Eldorado N* has a question for you guys
  234. Which spark plugs to buy?
  235. Thoughts on Dex-Cool and Head Gaskets
  236. 2001 cadillac deville small hesitations
  237. Normal Operating Temperature?
  238. Intermittent starting issue 97Seville SLS
  239. Trouble finding exhaust leak 99 Deville Y motor
  240. Is 235 too hot for a N*star on hilly roads?
  241. Spark Plugs ACDELCO or somthign els ?
  242. Good mechanics to fix head gasket in Oceanside, California area
  243. rough idle, only when in gear and brake on
  244. The first head gasket failure - 1 out of around 90 or so
  245. Tranny problems?
  246. how to install serpentine belt on 98 concours
  247. engine swap
  248. Why high fuel pressure?
  249. 1997 Northstar low speed hesitation and noise
  250. 2001 DeVille DHS / North Star motor losing power