Engine and Transmission Tech

tips, technology, tools and techniques related to vehicle driveline components

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yonexsp
Ken Ormsby
Newmarket, ONtario
(9 posts)

Registered:
03/08/2009 07:13PM

Main British Car:
Rover SD1 Rover V8 3.5l

I think my engine is dead! Help
Posted by: yonexsp
Date: May 30, 2011 08:00PM

I think I killed my engine.

What do you guys think is wrong?

[www.youtube.com]

1) Rod bearing failure
2) Something fell into a combustion chamber through he intake manifold when it was being changed.
3) Other and less expensive than either 1 or 2 above


ex-tyke
Graham Creswick
Chatham, Ontario, Canada
(1165 posts)

Registered:
10/25/2007 11:17AM

Main British Car:
1976 MGB Ford 302

authors avatar
Re: I think my engine is dead! Help
Posted by: ex-tyke
Date: May 30, 2011 08:34PM

That's really hard to diagnose over the net - but it sounds more like top end rather than bottom end noise.


yonexsp
Ken Ormsby
Newmarket, ONtario
(9 posts)

Registered:
03/08/2009 07:13PM

Main British Car:
Rover SD1 Rover V8 3.5l

Re: I think my engine is dead! Help
Posted by: yonexsp
Date: May 30, 2011 09:00PM

The sound is rather pronounced at the plenum. Thinking valve
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tr8todd
Todd Kishbach

(390 posts)

Registered:
12/04/2009 07:42AM

Main British Car:
Re: I think my engine is dead! Help
Posted by: tr8todd
Date: June 01, 2011 10:43AM

Sounds like a broken rocker arm or valve spring. I'd start by looking under the valve covers.


yonexsp
Ken Ormsby
Newmarket, ONtario
(9 posts)

Registered:
03/08/2009 07:13PM

Main British Car:
Rover SD1 Rover V8 3.5l

Re: I think my engine is dead! Help
Posted by: yonexsp
Date: June 01, 2011 06:19PM

I did, all ok under the covers


flitner
John Fenner
Miami Fl
(168 posts)

Registered:
03/11/2010 10:58AM

Main British Car:
1972 MGB 350 CHEVY

Re: I think my engine is dead! Help
Posted by: flitner
Date: June 02, 2011 01:03AM

It does not sound internal, You can hear it swapping sides as in a pulley is loose, pull the plugs and turn it over by hand with a breaker bar or any other means to pinpoint the noise.
What was the last thing done to it that may have backed off or failed?


Wotland
Wotland Wotland

(105 posts)

Registered:
01/07/2008 08:14AM

Main British Car:
Re: I think my engine is dead! Help
Posted by: Wotland
Date: June 02, 2011 03:16AM

You mention engine has been changed... check your ignition. Wrong distributor set up can produce similar noise.



smelfi
Steve Melfi
Alexandria Ohio
(90 posts)

Registered:
04/26/2008 07:35AM

Main British Car:
1977 MGB 302

authors avatar
Re: I think my engine is dead! Help
Posted by: smelfi
Date: June 02, 2011 09:41AM

In the video there are two very small white dots near the bottom of the screen - a little down left from the u shaped tube. Those little dots are blinking at the same rate as the noise. What are those dots? Might just be light reflections but I'm curious.


DiDueColpi
Fred Key
West coast - Canada
(1367 posts)

Registered:
05/14/2010 03:06AM

Main British Car:
I really thought that I'd be an action figure by now!

authors avatar
Re: I think my engine is dead! Help
Posted by: DiDueColpi
Date: June 02, 2011 12:33PM

That sounds a lot like something in a cylinder. Pull your plugs and check for damage. I suspect that this happened suddenly?

Cheers
Fred


yonexsp
Ken Ormsby
Newmarket, ONtario
(9 posts)

Registered:
03/08/2009 07:13PM

Main British Car:
Rover SD1 Rover V8 3.5l

Re: I think my engine is dead! Help
Posted by: yonexsp
Date: June 03, 2011 10:25AM

Yes, suddenly


DiDueColpi
Fred Key
West coast - Canada
(1367 posts)

Registered:
05/14/2010 03:06AM

Main British Car:
I really thought that I'd be an action figure by now!

authors avatar
Re: I think my engine is dead! Help
Posted by: DiDueColpi
Date: June 03, 2011 09:03PM

So most likely a foriegn object in one of the cylinders.
Pull out the spark plugs and have a look at them.
You will probably see one that is beat up pretty good.
Have a look through that plug hole and rotate the engine by hand.
You should be able to spot the offender.
If you're very lucky, Have lived an honest life and been kind to small animals you might be able to remove the offending part through the plug hole.
But who are we kidding.
Get ready to pull the head and see how bad it is.

Cheers
Fred
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BMC
Brian Mc Cullough
Forest Lake, Minnesota, USA
(383 posts)

Registered:
10/30/2007 02:27AM

Main British Car:
1980 MGB '95 3.4L 'L32' SFI V6, GM V6T5 & 3.42 Limi

authors avatar
Re: I think my engine is dead! Help
Posted by: BMC
Date: August 12, 2011 12:01AM

So what was the outcome of this?

-BMC.


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