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Old 11-27-2012, 08:58 AM   #1 (permalink)
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Angry No Compression!?

Hello All!

First post here - been over @ landroverforums.com
I apologize for the weighty first post.

History - purchased a very nice DII last March with 38k; one owner. Been running great since. Slowly doing things - swapped from d-shaft, all fluids etc.

On the way to G-ma’s for T-day we were cruising down the highway sipping our Starbucks when the engine just died like the key was turned off. Possible momentary “puuuussssh” sound. Look under the hood, all seemed fine. Check oil - full, coolant fine (I have a scan gauge, no codes). After inspection, attempted a start; engine cranks fine and a couple lone fires however will not start.
Took the ride of shame.
Later during the holiday weekend the troubleshooting began:
- inertia switch is fine
- Fuses and relays all fine
- Pulled a plug wire and I am getting spark when I crank over
- Fuel pressure at rail
Just cranks and cranks, no attempt to run.

Well, with spark and pressure at the fuel rail, it was time; compression test.
#2 = ZERO!!! Whaaaatttt! How is that possible!! Gauge busted?? No, tested on a motorcycle - fine.
Grabbed a buddy; cranking - piston moving. Finger over hole - no compression. Checked #6; piston moves however no compression.
Guessing timing chain or gear as I do not hear any air escaping; at 46k and while driving at constant speed, WOW!

Thoughts before I have it towed to Land Rover?
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Old 11-27-2012, 09:34 AM   #2 (permalink)
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Well, my first thought is don't tow it to Land Rover, unless you have experience with them being reasonable on their labor prices. Most of the time you'll be better off going with an independent garage that knows rovers. With the age of the discovery, and the few people that take them to the dealer anymore, there might not even be anyone left at your dealer that has much experience with a discovery anyway.
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Old 11-27-2012, 09:37 AM   #3 (permalink)
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Anyone know a good, reliable independent shop in the KC or mid-west area?
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Old 11-27-2012, 10:39 AM   #4 (permalink)
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How far are you from Wichita? There is a highly skilled man who has a shop near there.

Sounds to me like something in the valve train let loose. If so, you'll be needing at least eiht intake valves, maybe eight exhaust valves, head gaskets, etc.

Let me know, I can add them to my next UK order.
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Old 11-27-2012, 12:02 PM   #5 (permalink)
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I'm near KC so Wichita is a ways however I'm not opposed to getting the DII to the right person. Can you send contact info?
Cheers.
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Old 12-05-2012, 12:18 PM   #6 (permalink)
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Received the call from Aristocrat -
As expected, the timing chain let go. They are stating there was likely piston/valve interference, hence zero compression on several cylinders. Their recommendation is a reman engine.
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Old 12-05-2012, 01:06 PM   #7 (permalink)
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Quote:
Originally Posted by Lawndart View Post
Received the call from Aristocrat -
As expected, the timing chain let go. They are stating there was likely piston/valve interference, hence zero compression on several cylinders. Their recommendation is a reman engine.
I'm not an expert on rover v8 engines when a chain breaks, but I've seen my share of Hondas break timing belts. I'd pull the heads off. If the pistons don't have any holes in them, I'd send the heads to a machine shop to check for cracks and replace any bent valve, etc, and put it back together. 38k is pretty low miles, not sure a reman would be buying much. I wouldn't even be concerned about a nick or two in the piston.
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1999 Discovery II, SE7?
1996 Discovery SE7
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