Question about 1985 Chevrolet Impala

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Replacing a timing chain on a impala(1985)that is already takin apart how would i find top dead center or does that mater i also have to change my pully

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SOURCE: installing timing chain on a 97 chevy c1500 5.7

CAMSHAFT GEAR AT 6 OCLOCK AND CRANK GEAR AT 12 OCLOCK.

Posted on Nov 07, 2009

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SOURCE: how do you replace timing chain in a1988 chevy s10

Line up the crank gear timing straight up, line up the cam gear timig mark straight down (so the marks are closest to each other, or facing each other). the distributor will be firing #4.

Posted on Mar 05, 2010

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How many chain link do I count to set the timing


When you are setting timing you are setting top dead center and bottom dead center. Once established based on the marks on the crank and cam you adjust top dead and BDC by degrees in ADVANCED timing or behind/retarded timing by degrees by counting links. Each link used to be 5 degrees. Check repair manual on link values! they change with each engine and maker.

Sep 04, 2016 | Cars & Trucks

1 Answer

How do i set timing chain on sprockets ,ie top dead centre.


I don't know what car you have, so here's what was needed on mine:
1. Bring engine to Top Dead Center, ready to fire #1. There should be a mark on the front pulley or on the flywheel. Move cams to the TDC mark, too. My car was twin cam, the front cams needed to face apart, and set the marks....

Yours may be different.

May 12, 2015 | Cars & Trucks

1 Answer

How do I change the timing chain on 2000 ford Taurus v-6 3.0 it was back firing.


Top dead center on the compression stroke is best. This will have the cams pretty much lined up..

Jan 19, 2015 | Ford Taurus Cars & Trucks

1 Answer

How to set timing on mazda 2.3 disi DOHC engine


u need to bring piston number 1 to top dead center and then line up your timing marks and put chain on

Apr 06, 2014 | 2009 Mazda CX-7

1 Answer

Timing for a 1985 GMC 454 engine


timing is always before top dead centre . Check the specifics but generally 10-15 degrees bftdc

Mar 28, 2014 | 1985 GMC C2500

3 Answers

I have 2003 chevy impala (V6 3.4 liter) i recently replaced both head gaskets. The car was running fine and now with engine back together engine want turn over sounds like its not firing but the plugs...


Did you get the timing set correctly when you reattached the cam to the timing chain? It sounds like you didn't have the #1 Top dead center or the cams were in the wrong position when you reset the timing chain. The cam shaft and Crank will actually look like they are set correctly two times. Once when it is in time and once when it is out of time 180 degrees. If you are more than 5 degree out of time or more than 5 degrees from the point where it is 180 degrees out of time the engine normally won't fire at all. The easiest way to check and verify this is to do compression checks on the cylinders, you will find you have little or no compression on several cylinders if this is the case. To correct it remove the timing chain and set the crank to #1 Top Dead center. Then go to the head that is on the #1 side, line the cam up so that both valves are closed for the number 1 and line that mark up. You have to find the firing order to make sure the intake is open getting ready to close for the next cylinder that going to fire and the exhaust valve is closed, then make teh final adjustment to line that cams timing mark up then replace the timing chain. This should get everything roughly within 5 degrees of zero and should get the motor so it will start.

Mar 02, 2011 | 2003 Chevrolet Impala

1 Answer

Bought car with bent vavles they put water pump on truned motor with starter bent vavle . replaced vavle set chains with alldata , and it's back firing though intake


if you changed the valves and replaced the timing chain/belt you need to put the engine at top dead center at the number one cylinder

Feb 17, 2011 | 2001 Dodge Intrepid

1 Answer

How do you set the timing on a 94 Nissan Sentra?


There is 3 marks on the timing chain, 2 are exactly 16 links apart and the other is 22 from either of the 2. The engine should be at top dead center. Line the 2 (16 apart) marks with marks on your cam gears and the 3rd with your crank gear. Torque cam bearings to 100 inch lbs.

Feb 03, 2010 | 1994 Nissan Sentra 4-Door

1 Answer

I installed new valve lifters in my 1985 buick regal limited and new push rods and oil filter and did a oil chain .when we tried to start it it the n ran for a little then cut off and the it would not...


you may have to start over pull number one plug and pull out distbuter shaft turn the motor make sure you get it to top dead center on compretion stroke with the cap off stab it back in make sure that the rotor faces number one plug then fallow the firing order

Apr 07, 2009 | 1985 Buick Regal

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