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Old 11-02-2008, 08:59 AM   #1 (permalink)
 
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HOW-TO: Change Timing Belt

I want to thank all you guys for your help and patience. I would like to give a special thanks to GreaseMonkey for putting up with my pms and lending a huge hand with this project.

To start off with I would like to say if you dont have a pair of these purple gloves just forget about even atttempting this job.

Down to business. I would suggest taking a look between the Firewall and your turbo for a good amount of clearance. I only had about half an inch to an inch at the most so I had to drop it behind the motor.





Remove your accesory belts next. This is very easy and will only take a few minutes. For the power steering/ac drive belt all you have to do is turn the tensioner and boom your done.



The alternator is a bit differant. Just behind the bracket, near the firewall there is a bolt, just loosten that and the belt will become looser. (will post pic soon)

Remove the power steering pump from the Motor mount engine bracket by removing three bolts. To lighten the stress and hand cramps, grab a few extensions to loosen these bolts from the opposite side of the manifold.





mind that sensor



Place something under the motor for support without binding the motor. Begin to remove the motor mount, motor mount strut bracket and two bolts holding the motor mount to the motor mount engine bracket. Remove the five bolts given your ground is located in the same spot mine is and slide the whole assembly to the left. There is a bolt in the frame rail for support but you do not want that to hold your motor in place especially since you need that to come out a little later



(OPTIONAL) Take the valve cover off for more referances and more accurate timing. These cam holes can provide great second opinions depending your angle to the cam gears.



Look just behind your passenger side wheel you will see either a star pattern bolt or a piece of black plastice covering the bolt. This is the bolt you will need to pull for this to happen. Male sure you have the motor supported tightly so it doesnt just drop when performing this step.



Once this bolt is removed the motor should move freely. Begin to jack the motor up practically to where the top most part of the Rear Timing Belt cover is nearly flush with the bottom of the windshield cowl wheather strip.



Once you have the motor to this level its time to tackle the three bolts holding the motor mount enigine bracket to the block itself. At this stage and even with the motor at this heigth this is still a difficult part of this task.



The third is hidden under a lip in the engine bracket. I found it easier to get a wrench on it and take my time like in the picture above.



As said before this part of this task is very trying and will require a little bit of shaking and prying to get this part out due to the limited amount of space.



Pay close attention to your temp gauge harness (I believe thats what that is) and dont break it like I did. Thankfully i just broke the clip.



((OPTIONAL) take your passenger side wheel off for easy and wider work
area.

Next you will have to break the Harmonic Balancer Bolt loose. I simply did this old school. II got a large wrench and pried it against the axle and simply "BUMPED" the motor and boom 15 seconds it was done.



I would strongly advice getting Special Tool #OTC6267 the Chrysler harmonic balancer puller. This tool will makes pulling this pulley a piece of cake. You can rent one if you have an autozone near.



Once the blancer is off pull the bottom front Timing Belt cover off to reveal the bealt and expose the tensioner. With a 6mm allen key and crank of a wrench to loosen the tensioner your belt will come off. With the tensioner bolt loose simply turn the allen key left for less tension and right for more. At the bottom make sure your timing marks on the crank shaft sprocket and oil pump housing are aligned to ensure TDC (sorry no pics it was dark at this time and i didnt get any good ones). Pay close attention to the cam gears and try not to let the crank sprocket move while your doing this.

I noticed there where two marks on my cam gear sprockets. Make sure the marks are lined up and you can read the words "UP" on each sprocket.

This Pic Illustrates perfectly the two marks on my cams



Even as close as they are I am still off. I can feel it when its cold but warm i cant tell a differance. I have re done it since then its worth the piece of mind.



With your belt on use your tensioner to seal the deal. Stick the allen key through the hole designated for it on the tensioner and turn it counter clockwise. Tighten the tensioner bolt and your pretty much done.



Before putting anything back together I would advice you give it a quick crank just to check your work. I was wrongg once and it is no fun to do this two days in a row.

After you get a start work backwards and boo-yah you just did your timing.

Last edited by slowking69 : 11-04-2008 at 09:11 AM.
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Old 11-02-2008, 09:17 AM   #2 (permalink)
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Great tutorial. Thank you.
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Old 11-02-2008, 09:17 AM   #3 (permalink)
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they did make it interesting.
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Old 11-02-2008, 06:07 PM   #4 (permalink)
 
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Is it insiteful enough. I had my girlfiriend look it over just to see if she woulod catch and idea of what to do and she felt she could do it. Not saying women are not mechanically inclined she just isnt the type. just glad i could help
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Old 11-05-2008, 09:08 AM   #5 (permalink)
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damn due thanks for the how to, it seems like a lot of work
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Old 11-12-2008, 10:49 PM   #6 (permalink)
 
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Quote: Originally Posted by EvilGoat View Post
damn due thanks for the how to, it seems like a lot of work


IT IS TIME CONSUMING but once you have done that everything else is pretty easy and you can save alot of money
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Old 11-14-2008, 07:46 AM   #7 (permalink)
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Default quick questions....

1) I am planning on doing the clutch sometime soon...seems that I could then move the engine away from the side of the car and make this job alot easier -anyone do this method before?

2) Is the oil pump easy to replace once I've taken all this stuff off? Looks like there may be some special tools to replace the front crankshaft seal...

3) Are there locations to attach an overhead hoist? I've kinda scanned the engine, but did not see anything like I have seem on some engines (they'd leave some hoist straps on the engine).
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Old 11-23-2008, 09:22 PM   #8 (permalink)
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subscribed doing this soon!
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Old 11-23-2008, 09:59 PM   #9 (permalink)
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maybe a side note:

Since your in there it might be worth it to put in a new tensioner. Just a thought.

-Slyder
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Old 11-24-2008, 05:19 AM   #10 (permalink)
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Default One possible issue

Question - do you have the stock transmission mount? I do not - I have a solid trans mount which is alot less flexible - the amount you are jacking up the motor may not work with a solid trans mount and could bend the bracket or break the mount, imho....love to see if others concur.

This could complicate the job as both sides of the engine are now loose so it has to be stabilized somehow.
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Old 11-26-2008, 07:26 PM   #11 (permalink)
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man i'm rebuilding an engine and teh only thing i'm not 100% sure is the damn timing! does the pulley has a mark too? fi so hw do you line it up?
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Old 11-26-2008, 10:02 PM   #12 (permalink)
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you have to line up the crank gear to the back side of the tooth for timing, then do the cam gears. Check the how-to it's in there. Also pre-load the cam and the tensioner will take out the slack to help get the cam timing right. It's a pain but can be done.

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Old 11-26-2008, 10:26 PM   #13 (permalink)
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next how-to spell how-to...
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Old 11-26-2008, 11:34 PM   #14 (permalink)
 
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Quote: Originally Posted by ferguson View Post
next how-to spell how-to...

HAHAHAHAA i just saw that im an idiot
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Old 11-29-2008, 04:43 PM   #15 (permalink)
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couple of notes thanks slowking for the post very insightfull

first time i did it took a long time due to some running around.


i have all 3 solid mounts i undid all except tranny doesnt seem to be issues
yet scary none the less (havent visual inspected it but nothin unusal as of a week of driving it hard

the steering pump removal if u do not have extension jack up motor some after removing mounts lot more room in there(fig this out after reinstall)

get it all aligned up on ur crank and cams (the more hands to stop crank/ cams from spinning the better)

as for bumping the harmonic balancer bolt friend and i used a 125 psi 15 gal compressor with a impact and no luck tried jammin it and by hand pry bar no luck . i didnt like the idea of bumping it myself but after all failed and gone so deep into it i broke down and bumped it . IT WORKED

oh and make sure ur belt is well centered and on cam gears or at least sits were ur old one was (last thing u want is to have it off of the back side burning into ur rear platic cover)

last but not least before closing it all back up like slow says crank it to see how it runs ull hear and feel it if ur tdc marks are off. first time we got belt on we were slightly off we started it and it loped bad took off redid and bingo


when its all done and in doubt and u hear some funky sounds because ur paranoid like me comin from the top cover cam area and u want to check if its placed well (undo the 2 bolts that ur top mount connects too pull towards fender undo the three screws for top timing cover and pull out start motor inspect etc etc..


all in all its really cake time consuming and lil nerve racking the first time prob could do it in 3 hrs now

Last edited by mikes04rt4 : 11-29-2008 at 04:46 PM.
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