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Author Topic: My 97 Escort has bad crank, rod knock?  (Read 3282 times)

J dot Miller

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My 97 Escort has bad crank, rod knock?
« on: February 08, 2009, 08:38:46 AM »
last September I installed a junk yard motor in my Escort.  Since then I have been chasing weird noises.

At first when I go up a steep hill at around 60 MPH the transmission would downshift into a lower gear and I would hear a "clang".  I took it in to the shop and they said the motor mount was loose and tightened it.

But still the "clang" persisted.  I decided that I would have to wait to see what it really is so I kept driving the car.  Then in December a new sound arrived.  This time the sound was far more scary.

At first it only happened while driving down the highway at around 60 MPH.  I would let of the gas and a rata tat tat should will come from the engine. It was kind of like a marble in a tin can.   The first noise was louder and followed by less pronounced sounds as it faded away...

So I asked around and they thought the sound was coming from the catalytic converter mounted in front of the engine.  So I investigate the cats and when they were "repaired" the sound did not stop.

This time I went to the place that helped me with the engine.  The next day I get the phone call:

Mr. :miller:.  I have bad news for you please come into the shop so I can show you.  I walk in and they say sorry Mr. :miller: but I have bad news for you.  We think you have a bad crank in that junk yard engine you just installed.  The put it up on the lift.  Remove the access port for the torque converter and point at the driveplate a/k/a flexplate a/k/a flywheel.  Look at the flexplate it is up against the engine.  The back of it is all scratched up.  Oil is leaking all over the place.  The crank is moving back and causing it to rub.  He then gets a crow bar and tries to move the crank from the front of the engine by pushing the pulley.  It barley moves.  In fact, I am not sure if it moved at all.  So I say "an 1/8" movement is normal in a Ford".  He says "well if I start up the engine and push here you can see it move".  I reply "Oh no, that will ruin my pulley".  (NOTE:  I SURE HOPE HE DID NOT DO THAT BEFORE I WAS THERE)

I proceed to tell him by the noises I found up front I thought the clang was the flexplate.  So I call my mechanic counsel and we discuss the topic,  He tended to agree with me that it was a high chance of being the flexplate.  But really there was not way to tell.  The car was still drivable so I took it home.

I then did some research and found another person who had the same problem.  I emailed him and he said:

Quote from: sailingharry
You aren't gonna like this one bit! I did an engine swap, and the problem began within a few hundred miles. What actually ended up happening is the flex plat broke in two, with a small disk in the center and a (no longer connected) doughnut around it. The solution -- pull the tranny and bolt in a new flex plate. As I recall, the damaged flex plate trashed the rear main, (fortunately I noticed it!) and so I replaced that while I was in there.

Read up on feoa on the tranny replacement -- it's a pain, but not as bad as the book says. You can remove the tranny (drop, I think) without removing the engine as well. Something about loosening mounts and pushing the engine to one side to get clearance, if I recall correctly.

Good luck. You'll need it.

Harry

So I called my man Ricky at Level 10 Transmission and asked him if he could replace the flexplate and rear oil seal.  He says "No problem bring it in".

By this time the car was getting real bad.  Not the noise but it was difficult to start.  The flexplate was so far against the engine that I had to put the key in the ignition, wait a minuet for it to charge up before the started will turn.  Ricky had none of this and simply pushed the car in.   ;)



Here is the old flexplate...



The car no longer makes as many weird noises as it did before.
 :afto2: :afto2: :afto2:
The 5.4 swap has been called a bad idea, and considered an underpowered considerable waste of time, since 2007.

Nice to see that most donít think that anymore.
Bondfreak13 07/28/09 09:05 PM

FASTFREDDIE

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Re: My 97 Escort has bad crank, rod knock?
« Reply #1 on: February 08, 2009, 02:03:50 PM »
WOW THE PLATE LOOKS BAD.. :o MAYBE YOU COULD MAKE PLANTER  :-* OUT OF THE CAR !! :-[ SORRY YOU HAVE SUCH BAD LUCK :'(
LETS GO CRUISING!!!!

rjstat

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Re: My 97 Escort has bad crank, rod knock?
« Reply #2 on: February 08, 2009, 11:59:14 PM »
For what you paid for that escort and the cost of the replacement motor and time and materials to swap it out you could of bought another one
97 - 4.6L Alpine Green Cougar XR-7 w/ Fiber Concepts Hood, SPC cold air intake, 2.5 SLP Dual Exhaust, Eclipse CD4000 w/ Polk's speakers, Koni Shocks, 11/4" Addco sway bars, and Vogtland more to come.
08 Volvo XC90 loaded.

J dot Miller

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Re: My 97 Escort has bad crank, rod knock?
« Reply #3 on: February 10, 2009, 06:17:26 AM »
I paid trade in value for the car years ago.  The motor was a junk yard motor and the flexplate did not cost as much as you think.  Still I considered junking it.  Driving 60 miles a day takes it toll on a car.  Right now she is running good.  All I want is another 40,000 miles from the car.
 8)
The 5.4 swap has been called a bad idea, and considered an underpowered considerable waste of time, since 2007.

Nice to see that most donít think that anymore.
Bondfreak13 07/28/09 09:05 PM

FASTFREDDIE

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Re: My 97 Escort has bad crank, rod knock?
« Reply #4 on: February 10, 2009, 06:01:07 PM »
MAYBE WE COULD MAKE AND ELCTRIC CAR OUT OF IT   :afit: AT AN CAR SHOW A GUY MADE ONE WITH A 40 HP 220 ELC MOTOR AND GOLF CAR BATTERIES :hide:
LETS GO CRUISING!!!!

J dot Miller

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Re: My 97 Escort has bad crank, rod knock?
« Reply #5 on: February 11, 2009, 07:45:11 PM »
I write a tech article so that others can learn from what happened and you complain?  Would you rather replace a motor or a flexplate?   :-[
The 5.4 swap has been called a bad idea, and considered an underpowered considerable waste of time, since 2007.

Nice to see that most donít think that anymore.
Bondfreak13 07/28/09 09:05 PM

FASTFREDDIE

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Re: My 97 Escort has bad crank, rod knock?
« Reply #6 on: February 12, 2009, 08:25:07 AM »
i think the marbles in your head :surr:  need replacing !!! :lunie:
LETS GO CRUISING!!!!

rjstat

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Re: My 97 Escort has bad crank, rod knock?
« Reply #7 on: February 15, 2009, 11:37:31 PM »
Well :moe: I hope you get your 40,000 out of it if anyone could you can do it.
97 - 4.6L Alpine Green Cougar XR-7 w/ Fiber Concepts Hood, SPC cold air intake, 2.5 SLP Dual Exhaust, Eclipse CD4000 w/ Polk's speakers, Koni Shocks, 11/4" Addco sway bars, and Vogtland more to come.
08 Volvo XC90 loaded.