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 Daryl Your Own Question

Daryl
Daryl, Shop Owner, Certified Mechanic
Category: Car
Satisfied Customers: 12416
Experience:  28 years experience, Master Mechanic
8994801
Type Your Car Question Here...
Daryl is online now
A new question is answered every 9 seconds

how do you change a timing chain on a 1999 Grand Am 3.4L engine.

Customer Question

how do you change a timing chain on a 1999 Grand Am 3.4L engine. with photo's
Submitted: 5 years ago.
Category: Car
Expert:  Daryl replied 5 years ago.

 

Removal ‘t 1
Disconnect negative battery cable. Drain cooling system. Drain engine oil. Remove front cover Rotate crankshaft until timing marks on crankshaft sprocket and camshaft sprocket are aligned on timing chain damper. See Fig. 7.
2. Remove camshaft sprocket bolt. Remove camshaft sprocket and timing chain. Using Crankshaft Sprocket Puller (J5825-A), remove crankshaft sprocket. Remove timing chain damper bolts and remove damper.
Installation
1. Using Crankshaft Sprocket Installer (J-38612), install crankshaft sprocket. Install timing chain damper. Tighten damper bolts to 15 ft. lbs. (20 N.m).
2. Align crankshaft timing mark to timing mark on bottom of chain damper. Hold camshaft sprocket with chain hanging down and install chain onto crankshaft gear. Align timing mark on camshaft gear with timing mark on top of chain damper. See Fig. 7.
3. Install camshaft sprocket bolt. Lubricate chain with engine oil. Install timing chain front cover with NEW gasket. Tighten cover bolts to specification. To install remaining components, reverse removal procedure.

 

graphic

Customer: replied 5 years ago.
I need from start to finish. Starting from how to remove the timing cover and what tools are needed please help
Expert:  Daryl replied 5 years ago.

Below is how to remove the timing cover I believe there are also two bolts from the bottom thought the oil pan not shown in the pic. I do not have a list of tools needed to do this job, I just use what fits.

 

Removal Timing cover
1. Remove coolant expansion tank. Remove front crankshaft damper. Remove accessory drive belt tensioner. Unbolt power steering pump, and position aside with hoses attached.
2. Remove thermostat by-pass pipe. Disconnect lower radiator hose from water pump. Remove
water pump pulley. Remove upper and lower crankshaft position sensor wiring harness brackets
from front cover. Remove front cover retaining bolts. Remove front cover and gasket. See
6.

 

graphic

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