me engine dun did something bad

Reply Subscribe

Thread Tools

Search this Thread

Oct 20, 2008 | 01:08 AM

68 ranger

Thread Starter

Senior User

Joined: Sep 2008

Posts: 130

Likes: 1

From: Californicator

me engine dun did something bad

Hello all My engine quit at the gas station the other day. I thought it was outa gas, But NO! It just refused to do the normal thing and start.
When cranking, I could hear BANG BANG BANG inside the motor. I don't
understand what could've gone wrong, But the fuel pump wasn't pumping fuel
So I installed a new one. Same thing. BANG BANG BANG Now It won't
turn over at all. The flexplate got destroyed in the prosses of trying to get it
started. You can see more in 67-72 F-series truck section under
motor blew after 10 mi. I have to figure out what went wrong.
Any IDEAS???

Oct 20, 2008 | 02:11 AM

Hypoid

Cargo Master

Joined: Apr 2004

Posts: 2,574

Likes: 4

From: Golden, CO

Take all the plugs out, index the engine, check compression.

How to index: https://www.ford-trucks.com/forums/s...48&postcount=6

Oct 20, 2008 | 03:42 PM

68 ranger

Thread Starter

Senior User

Joined: Sep 2008

Posts: 130

Likes: 1

From: Californicator

cant turn it over no FLEXPLATE

Oct 20, 2008 | 04:18 PM

krewat

FTE Leadership Emeritus

Joined: Jul 2002

Posts: 42,561

Likes: 423

From: Long Island USA

Quote:

Originally Posted by 68 ranger

cant turn it over no FLEXPLATE

Hmm... well, without any work on your part, I'm just going to look into my crystal ball and I see... NOTHING

BANG BANG BANG - doesn't sound good, that's for sure. (yes, that was a deliberate pun)

Sorry, can't help with the limited info you've given.

(Side note: how do you destroy a flexplate trying to start it?)

Oct 20, 2008 | 04:24 PM

73f100shortbed

Postmaster

Joined: Oct 2005

Posts: 3,034

Likes: 1

From: NJ

Quote:

Originally Posted by krewat

(Side note: how do you destroy a flexplate trying to start it?)

Good question

Oct 20, 2008 | 06:02 PM

68 ranger

Thread Starter

Senior User

Joined: Sep 2008

Posts: 130

Likes: 1

From: Californicator

It abruptly stops turning while cranking with an 1,100 amp battery
100 amp alt ANYTHING is possible!!!!!!!!!! Not to mention a super duty starter

Oct 20, 2008 | 06:05 PM

Bear 45/70

Post Fiend

Joined: Mar 2004

Posts: 6,056

Likes: 8

From: Union, Washington

I wound suspect a tore up starter bendix before a flexplate. The ring gear is at least 10 times harder than the bendix.

Trending Topics

This is prolly a 1 page thread at most

110.2k

6M
Bad trouble with axle shaft snap ring

28

410
Brake upgrade worth it

22

441
Truck slump

21

618
1989 F-150 R-12 to R-134a

18

342

Oct 20, 2008 | 07:05 PM

Barry_R

Senior User

Joined: Feb 2006

Posts: 355

Likes: 1

Remove spark plugs.
Put 15/16 wrench on front bolt.
Will it turn over by hand?
Yes - go looking for other stuff.
No - go looking for the engine hoist.

If the answer to above was "Yes"
Remove distributor cap and valve covers.
Rotate the engine with the above referenced wrench.
Are all the valves getting opened and closed?
Is the distributor shaft turning?
If the answer to both questions are "Yes" we keep looking
If the answer to either is "No" we start unbolting big parts....

If the answer above was "Yes" find an air hose - with air in it...
Connect the air hose to each cylinder while the valves are closed.
Soft "hissing" from the crankcase area is likely OK
Big noisy "hissing" and air coming out the exhaust, or the intake, or oil filler means we go find the cherry picker.

If we are "OK" so far...
Remove oil filter and cut it open with tin snips and spread out the element
(Grab some band aids to stem the bleeding - damn that metal was sharp)
Is the filter element looking pretty clean?
Is the filter full of shrapnel?

Need we continue?