Timing chain - Team Camaro Tech
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post #1 of 6 (permalink) Old May 23rd, 01, 01:05 PM Thread Starter
 
Join Date: May 2001
Location: Las Vegas, Nv. U.S.A
Posts: 4
Unhappy

I have been told that to replace the timing chain you have to take the oil pan off.

1987 305/auto/carb combo.

Is this true?

Thank you for all responses!

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[This message has been edited by boomer54 (edited 05-23-2001).]
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post #2 of 6 (permalink) Old May 23rd, 01, 01:42 PM
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yes. If you don't you will have a nice little leak.

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post #3 of 6 (permalink) Old May 23rd, 01, 02:06 PM
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There are a couple trick that work well most of the time. You can loosen and drop just the front of the pan enough to get the the cover on. The risk is possible leak if you tear the pan gasket or if it is to hard to seal when you tighten the pan back up. The other has to do with modifying the ends of the inner lip of the timing cover so it slides in place. I would recomend this unless you can have someone that has done it sucessfully show you...

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...Dennis
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post #4 of 6 (permalink) Old May 23rd, 01, 02:19 PM
 
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A good trick is to pay someone else $40/hour to replace the timing chain.
Places like this typically have lifts and other tools that come in handy.

I replaced my TC once, laying in the dirt, and sure enough, the thing leaked.
If you pay someone $40/hour when you get it back it won't leak. If it does you can bring it back and they'll fix it until it stops leaking.

Which path to take depends on what's practical for you. If they can name that tune for under $150, it might be worth it to have someone else do it. If it's going to cost $400, do it yourself. Make sure you have good jack stands, a floor jack, balancer puller & Installer (NOT A HAMMER AND BLOCK OF WOOD), torque wrench and a good place to work. If it still leaks after the repair - keep a extra bottle of oil in the trunk (shhhh... this is the madmike low tech approach to car fixin)
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post #5 of 6 (permalink) Old May 23rd, 01, 03:52 PM
 
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Actually, if it is a Pre-1975 motor you must drop the front of the oilpan. Post -75 motors have a slightly different timing cover that allows you to just take it off.
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post #6 of 6 (permalink) Old May 25th, 01, 02:57 AM
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not really,

I did mine like DJD said and didnt drop crap but the front bolts on the pan.

I loosened the front 6 or 8 bolts on the oil pan , (after all the other crap was off like waterpump, balancer, hoses etc... )

and removed the timing chain cover and moved it back and forth to get the seal loose, the cover popped right out. the re install trick is to look at the new timing chain cover, and where the bottom corner bolts are right near the seal lip,use a file and file the inside edge flat. the flat surface helps it slip by the lip on the front of the oil pan and fit fine, as for leaks, use permatex on the edges and it wont leak, the front of the cover wont be modified so the seal seats in the same location as it would without filing the cover down. retighten the bolts on the oil pan and your good 2 go...

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[This message has been edited by Chris Edwards (edited 05-25-2001).]
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