Cold starting problem td5 - Defender Source
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  #1  
Old March 19th, 2012, 11:43 AM
pkneale
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Peter Kneale
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Cold starting problem td5

Hello. I have a 2006 D-90 td5 in Nassau, Bahamas (so it is always above 20Centigrade). When left overnight the D-90 requires 2-4 attempts to start. It fires for a few seconds (as if on a few cyclinders, sounding rough) and then dies.

I have put the ignition key in and turned it to position 2 (when all the lights on the engine display come on) and can see several, including the glow plug, go off. I hear the fuel pump run.

On the third or fourth try the engine fires, again runs rough for a second or two, and then runs normally. After this the D-90 starts like a champ for the rest of the day.

Any ideas appreciated. Thanks.
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  #2  
Old March 19th, 2012, 12:21 PM
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Mark M
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How's your battery? I had similar conditions you describe due to weak battery. If you question it, jump it for the first start of the morning. See how that goes. Mark
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  #3  
Old March 19th, 2012, 01:12 PM
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Peter Kneale
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Thanks Mark. I have not checked the battery but was looking at the D-90 and see it is not obvious. The battery is under one of the seats I've read on the posts (mine is a LHD drive model). What is the procedure to get to the battery? I've looked at the D-90 and it appears that I will need to remove a seat. If that is the case do you remove the tracks or is there something easier. Any caveats? Thanks, Peter.
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  #4  
Old March 19th, 2012, 01:20 PM
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thomas
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Pull off the seat base, take the rubber matting and slide it up towards the seat back. Open the latch and you will find the battery.

Does the pump turn off after a few seconds or does it stay on until you start the car? Does it have a high pitched whine to it???

Tom
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  #5  
Old March 19th, 2012, 01:25 PM
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Peter Kneale
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Thanks Tom. How do you pull off the seat base? I've studied the seat and do not see a simple way to pull it off apart from removing some nuts at the base of the track. It does look like the seat could come off the track but just not obvious to me how to do it. Peter.
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  #6  
Old March 19th, 2012, 01:51 PM
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Pull up from the bottom on the front of the seat
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  #7  
Old March 19th, 2012, 01:58 PM
pkneale
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Peter Kneale
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Tom and Mark. Got the seat off - just pressure fit into some plastic fittings.

The battery is brand new.

When turning on the key the first time the fuel pump goes on sounding like a normal pump (whir) followed by a brief few seconds of higher pitch then back to whir for another 10-15 seconds. During the final 10-15 seconds it will "tick" a few times but always continue the whir. It then goes quiet.

I attempt to start it at this time and get it to fire, running roughly for 2-3 seconds.

Second attempt let the fuel pump run again for 10-15 seconds (no high pitch whine, no tickinig) and the D-90 fires, runs roughly for 2-3 seconds then runs smoothly.
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  #8  
Old March 19th, 2012, 02:17 PM
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I think your in tank pump is on its way out.
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  #9  
Old March 19th, 2012, 02:25 PM
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Jamie Austin
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^^^^^ Agree; this is a common problem with Td5's, the pump starts to die and overnight allows the fuel to drain back into the tank, and eventhough it's a high pressure jobbie, somehow it causes crappy starting.

They tend to get noisy too, sounding like they're sucking up air, a kind of gargling noise.

either drop the tank or cut a hole through the rear tub to change it.
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  #10  
Old March 19th, 2012, 02:33 PM
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Peter Kneale
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Thanks very much. Great info for a newbie like me.

I will need to order the pump from the UK. Is there any parts suppliers the forum likes to promote. I have bought a tachometer from "symonnettes" (I believe that was their name).

Again, thanks very much to all. Peter.
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  #11  
Old March 19th, 2012, 02:37 PM
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Aftermarket is about 250 delivered. 500-700 for OEM. Same part just different box.
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  #12  
Old March 19th, 2012, 02:46 PM
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Quote:
Originally Posted by tjfslaughter View Post
Pull up from the bottom on the front of the seat
Can we get a write-up on this over in the Smaller Projects section?
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I am talking purely from an aesthetics standpoint.
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  #13  
Old March 19th, 2012, 02:48 PM
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Sure.
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  #14  
Old March 19th, 2012, 02:50 PM
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Jason Zolezzi
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Oreder from George at Rovers Down South He is closer to you.
http://www.roversdownsouth.com/
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  #15  
Old March 19th, 2012, 02:51 PM
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Mark M
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Peter - listen to Jamie, he knows his shit. Shop around for the pump to get the best price. They aren't cheap. Let us know how things work out. Mark
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  #16  
Old March 19th, 2012, 03:20 PM
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Peter Kneale
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Absolutely will keep this thread updated. Really appreciate everyone's help and sharing of knowledge. Peter.
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  #17  
Old March 19th, 2012, 04:15 PM
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Charles Galpin
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Peter, welcome to the forums and don't mind the nonsense below

Quote:
Originally Posted by rijosho View Post
Can we get a write-up on this over in the Smaller Projects section?
LOL. Tom, be sure to take pictures of the passenger side as well, using your right hand on the front as opposed to your left - we don't want people getting their arms tangled while tackling this. You might want to show how holding your thumb on top helps control the seat once it frees from the catches. Also show convenient stowage on the roof while working (although be sure to warn short people to get a stool ready in advance).
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  #18  
Old March 19th, 2012, 05:19 PM
pkneale
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Peter Kneale
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Not to worry. It is a great forum and I am really wet behind the ears with this vehicle. The manuals I have are in German which I do not read/speak.

The D-90 is a unique vehicle with many interesting design features that I intend to understand fully. I purchased it for it's simplicity and that I could learn how work on it. This is my first opportunity for a fairly complex repair - dropping the fuel tank, replacing the pump and getting everything back together and running without leaks.

My mission until the pump arrives is figuring out how to align the hood latch so it works smoothly, not as tight as it is now.

Again, thanks to Tom, Mark and Jamie for the great info. Peter.
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  #19  
Old March 21st, 2012, 06:09 PM
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This will help you get started.

http://forums.lr4x4.com/index.php?sh...l&fromsearch=1

Remember to write down the location of each of the 4 lines that come into the tank. The male and female are color coded....
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  #20  
Old March 21st, 2012, 06:13 PM
pkneale
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Peter Kneale
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Thanks Thomas. Good advice.

I will be ordering the new fuel pump - original equipment not replacement unit - tomorrow with a couple of seals the supplier said I might need.

I'll keep the post updated with the results. Peter.
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