How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Dan Your Own Question

Dan
Dan, Auto Service Technician
Category: Car
Satisfied Customers: 3490
Experience:  GM ASEP A.A.S. 14 years GM experience. Mark of Excellence and Professional Guild awarded.
4976144
Type Your Car Question Here...
Dan is online now
A new question is answered every 9 seconds

2001 Cadillac DeVille .... sometimes it will not start.

Resolved Question:

2001 Cadillac DeVille .... sometimes it will not start. Let it set for a few minutes, it starts right up. Whether the 1st start of the day or after it''s been driven, it just won''t start. This happens about 1 time a month.
Submitted: 6 years ago.
Category: Car
Expert:  Dan replied 6 years ago.
Subject:00-03 Cadillac EB KB 4.6L LD8 L37 Engine Northstar Updated Crankshaft Sensors - kw DTC MIL driveability #PIP3036 - (06/29/2004)

 

Models:.

 



The following diagnosis might be helpful if the vehicle exhibits the described symptoms in the PI.

Condition/Concern:

00-03 Cadillac EB KB 4.6L (LD8) (L37) Engine Northstar updated Crankshaft Sensors .

Recommendation/Instructions:

The engine assembly part numbers listed below have the updated crank sensor installed in them as of March 23rd, 2004. All stock within GMSPO warehousing system (listed part number of engine assemblies) as of March 23rd have the updated sensors. The new cranks sensor part numbers are:

.

12575481- UPPER-(GRAY IN COLOR)

12575482-LOWER-(BLACK IN COLOR)

.

88894249-LD8-2000 MY-MODELS: EA, KD, KE, KS

88894250-L37-2000 MY-MODELS: EA, KD, KF, KY

88894238-L47-2001 and 2002 MY-MODELS: GA

88894239-L37-2001 and 2002 MY- MODELS: EA, KF, KY, KD

88894240-LD8-2001 and 2002 MY- MODELS: EA, KD, KE, KS

88984253-L37-2003 MY-MODEL: KA

88984254-LD8-2003 MY-MODEL: KA

88984255-L47-2003 MY-MODEL: GA

.

EA: ELDORADO

GA: AURORA

KD: DEVILLE

KE: DEVILLE D' ELEGANCE

KF: CONCOURS (DEVILLE)

KS: SEVILLE SLS

KY: SEVILLE STS

.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance.

Models:

((2000 CADILLAC DEVILLE 4.6L (LD8) ENGINE) and (2001 CADILLAC DEVILLE 4.6L (LD8) ENGINE) and (2002 CADILLAC DEVILLE 4.6L (LD8) ENGINE) and (2003 CADILLAC DEVILLE 4.6L (LD8) ENGINE) and (2000 CADILLAC ELDORADO 4.6L (LD8, L37) ENGINE) and (2001 CADILLAC ELDORADO 4.6L (LD8, L37) ENGINE) and (2002 CADILLAC ELDORADO 4.6L (LD8, L37) ENGINE) and (2000 CADILLAC SEVILLE 4.6L (LD8, L37) ENGINE) and (2001 CADILLAC SEVILLE 4.6L (LD8, L37) ENGINE) and (2002 CADILLAC SEVILLE 4.6L (LD8, L37) ENGINE) and (2003 CADILLAC SEVILLE 4.6L (LD8, L37) ENGINE) )

Crankshaft Position Sensor Replacement

Removal Procedure


    Object Number: 602305  Size: SH
    Click here for detailed picture of above imageidth=
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the oil filter adaptor. Refer to Oil Filter Adapter Replacement in Engine Mechanical 4.6L.
  3. Remove the crankshaft sensor electrical connector.
  4. Remove the crankshaft sensor retaining bolt.
  5. Remove the crankshaft sensor.

Installation Procedure


    Object Number: 602305  Size: SH
    Click here for detailed picture of above imageidth=

    Important: Inspect the crankshaft sensor O-ring for wear or damage. If a problem is found, replace the O-ring.

  1. Lubricate the crankshaft sensor O-ring with clean engine oil.

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the crankshaft sensor and the retaining bolt.

    Tighten

    Tighten the retaining bolt between 10 N·m (89 lb in).

  3. Install the crankshaft sensor electrical connector.
  4. Install the oil filter adaptor. Refer to Oil Filter Adapter Replacement in Engine Mechanical.
  5. Install the Air Deflector. Refer to Air Deflector Replacement - Front in Body Front End.
  6. Lower the vehicle.
  7. Operate the engine and inspect crankshaft sensor for engine oil leaks.
  8. Perform the CKP System Variation Learn Procedure .

.

Dan, Auto Service Technician
Category: Car
Satisfied Customers: 3490
Experience: GM ASEP A.A.S. 14 years GM experience. Mark of Excellence and Professional Guild awarded.
Dan and 10 other Car Specialists are ready to help you

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
< Last | Next >
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
  • used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future. David L. Richmond, TX
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil Marysville, CA
  • Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible. Charles Walnut Creek, CA
  • As a single woman, I really appreciate an excellent and affordable opinion.
    Thank you Geordie, I will not hesitate to contact justanswer in the future!
    Sue Charleston, WV
  • Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff. Jim Castleberry, FL
  • Excellent reply, and also very quick. Really sounds like the Expert knows what he is talking about. I will be back to use your service when I need more help with my RV. Dutch USA
 
 
 

Meet The Experts:

 
 
 
  • Chris (aka-Moose)

    Technician

    Satisfied Customers:

    846
    16 years of experience
< Last | Next >
  • http://ww2.justanswer.com/uploads/MU/muddyford/2012-6-13_1204_1.64x64.png Chris (aka-Moose)'s Avatar

    Chris (aka-Moose)

    Technician

    Satisfied Customers:

    846
    16 years of experience
  • http://ww2.justanswer.com/uploads/TE/TedG/2012-6-15_14759_avaLarge.64x64.jpg Ted G.'s Avatar

    Ted G.

    ASE Certified Technician

    Satisfied Customers:

    1596
    20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness
  • http://ww2.justanswer.com/uploads/joecamel90/2008-11-13_03615_head_shot.jpg George H.'s Avatar

    George H.

    ASE Certified Technician

    Satisfied Customers:

    1311
    ASE Master Tech 15+ yrs, AAS Automotive Technology, Factory trained Asian specialist
  • http://ww2.justanswer.com/uploads/AM/amedee/2013-10-24_23656_Amedee1.64x64.jpg Amedee's Avatar

    Amedee

    ASE Master Tech

    Satisfied Customers:

    2367
    ASE Master Tech advanced level specialist
  • http://ww2.justanswer.com/uploads/SU/supermechanic/2013-8-23_03546_500.64x64.jpg Jerry's Avatar

    Jerry

    Master Mechanic

    Satisfied Customers:

    1906
    ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager
  • http://ww2.justanswer.com/uploads/CR/crzydrvr00/2013-11-3_12123_246347.64x64.jpg Richard's Avatar

    Richard

    ASE Certified Technician

    Satisfied Customers:

    942
    12 years Ford Lincoln/Mercury Jaguar dealership as a technician and shop foreman reparing all makes
  • http://ww2.justanswer.com/uploads/ST/Steve7654/2012-6-5_215929_japic800x660.64x64.jpg Steve's Avatar

    Steve

    Auto Service Technician

    Satisfied Customers:

    1980
    25+ yrs experience as a professional working technician; ASE L1 master technician