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vin 11477 - Finally I am ...
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Lower Crankcase
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Original Steering Column ...
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Its quiet in here.....
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2025 Club Calendar
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DOC CLUB EVENT 2024 - 20...
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EVENTS - general
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Delorean Day, Great Briti...
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DeLorean News issue 98
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03 Aug 2024, 19:59
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Over revving and other issues |
Posted by: TristanC - 07 Aug 2018, 20:58 - Forum: 1 - Engine
- Replies (162)
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Well I’ve covered 430 trouble free miles in 11477..... but today that changed.
First some background, as I think it’s related to the over revving.
I finally found somewhere to regas the car with a drop in gas.
Amazingly, the AC kicked right in and the system was blowing cold.
That was yesterday.
Fast forward to today, where I took 11477 on a 90 mile round trip.
As I completed the first 45 miles smoke started to billow from the rear.
I immediately stopped to inspect - but it was NOT overheating. It was in fact the AC belt being shredded and covered my engine bay in rubber.
On inspection the compressor pulley is not aligned with the lower pulleys. It looks like the garage overtightened the belt or bent something?? What should I look for to get that sorted?
NEXT issue is the main one.... over revving to 2100 rpm ALL the time. Now this only started after the AC belt issue above. Has the AC system enabled something to increase revs that is now stuck??
I’m stuck, and am not sure where to look first......
NEXT issue is the speedo. It stopped working on my journey home with just 5 miles to go.
I could hear ticking coming from the speedo before hand and it started bouncing a little.
When this happened in the past, I pressed the trip reset and pulled back out and it resolved it. But not today. Instead, the speedo just stopped working in its entirety.
Could the trip reset have broken something inside the binnacle?
The lambda box connection looks good as does the angle drive at the wheel.
I hope it’s not the angle drive.....
On the plus side I’ve now covered 500+ miles and all is relatively well with 11477.....
Tris
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More stuttering under load -suspect fuel pump |
Posted by: TheScAtMaN - 02 Aug 2018, 09:46 - Forum: 2 - Emission / Fuel Systems
- Replies (11)
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Hi guys
I have a very similar problem to Nick H where my car becomes stuttery and hesitant under load:
http://deloreans.co.uk/forum/showthread.php?tid=5821
But in my case I strongly suspect it's my fuel pump. A couple of months back I took my car down to Alex Canini near Hastings for a tune up and suspension work.
He discovered that my fuel pump would change output depending on what angle it was placed in!
It's not something I had noticed before but now that my car is much more stable handling wise and after tuning I find myself driving her faster.
Our working theory is that under heavy load the pump is shifting slightly and cutting out, as the car slows and it moves back normal flow is returned resulting in the pulling feeling I get.
The previous owner had replaced the pump about 3 years ago but seems it's a bit of a noddy-no-make. Assuming it is the pump what's the best one to replace it with?
I know there is an all in one jobby with the filter built in from the likes of Special T or should I go with the more traditional one sold by DeLorean Go?
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