Question about 1994 Mercury Villager

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Where is the TDC notch on the crankshaft pulley?

I'm trying to time my engine after a rebuild and the TDC paint has worn off of the pulley. On pictures of the a new pulley, the TDC is the far left, which indicates that 15 BTDC is 3 notches to the right. However, the engine really seems to like running at about 6 notches to the right (30 BTDC). Is the TDC notch on the original pulleys on the far left, or are they more in the middle?

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Bill Boyd

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  • Mercury Master
  • 53,816 Answers

If you have a series of notches on the pulley then the middle notch of them all is TDC. Point of fact is that the notches represent BTDC ( before TDC ---advanced) and AFTDC ( after TDC-- late firing past TDC). If the engine is starting and running ok then it is not at 30 degrees BTDC or it would not start easily.Each notch probably represents 5 degrees

Posted on Dec 20, 2014

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5 Related Answers

Anonymous

  • 379 Answers

SOURCE: replacing timing belt 91 mercury capri

according to a manual , the crank key will point to arrow , the intake cam should have an letter i aligned with arrow on belt cover and exhaust cam should have letter e aligned with arrow on belt cover , and as always rotate the engine 2 full turns to inspect timing marks before cranking or trying to start the engine . if you haven't taken the original belt off yet , paint your marks for quicker reference .

Posted on Jan 02, 2009

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alicantecoli

Colin Stickland

  • 22485 Answers

SOURCE: Crankshaft damper pulley

undo the big nut in the middle

Posted on Jan 31, 2009

motor1258

Mike Butler

  • 6674 Answers

SOURCE: Belt Routing on 1992 Grand Marquis

Try this diagram.9e7be42.jpg

Posted on Jun 15, 2009

Anonymous

  • 23 Answers

SOURCE: how do you align the camshaft & crankshaft timing marks 1.9

This is the same as a Ford Escort 1.9, the #1 cylinder should be all the way up. To confirm- the crak shift mark should be on zero which is Crank Shift Center- THe camshift sproket should align with the headmark. Make sure both marks don't move. Align the belt- not too tight , not to loose

Posted on Jul 12, 2009

gerry bissi

  • 4388 Answers

SOURCE: engine diagram for 2001 mercury cougar

4 cyl or v 6?

2.5L V-6 with air conditioning built 01/99 onwards

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Posted on Jan 22, 2010

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1 Answer

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You have it right, the yellow mark is TDC and it's the notch furthest to the left...it e to be set at 15 degrees before TDC, but you have to disconnect the I.A.C sensor to do it.if it's still that far out, you're probably of by a tooth.bring #1 piston to TDC, pull out distributor, turn rotor to #1 on dist cap and put in dist..adjust accordingly. .

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Do not take it off before you are ready with the new one.
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Disconnect negative battery cable. Disconnect power
steering reservoir, and remove reservoir bracket.
Disconnect wire harness bracket for Data Link Conne
ctor No. 1. Remove generator and generator bracket.


Remove ABS actuator. Raise and support vehicle. Rem
ove right front wheel. Remove right engine
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insulator.

Remove spark plugs. Remove crankshaft pulley. . Remove right engine mounting bracket.
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Loosen mounting bolt of No. 1 idler pulley and shif
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t
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