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Post by Patrick on Jun 3, 2010 9:28:39 GMT
If there's a diode blown in the recitfier pack for the alternator then you tend to get partial output and a very choppy waveform that the regulator doesn't like much. Fabulous! Sounds like something Jon Pertwee's Doctor Who would come out with! With apologies for my ignorance
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Post by munceyboyjoe on Jun 4, 2010 11:36:13 GMT
My word, I shall have to ask him tomorrow; if that is what they diagnosed, I will be seriously impressed!
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Post by munceyboyjoe on Jun 5, 2010 19:48:25 GMT
Good news in my little corner of Daf world, now up and running better than I've seen it - the voltmeter firmly in the green zone and charging the battery. The alternator was rebuilt and a couple of electronic bits replaced. Very happy!
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spunkymonkey
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Post by spunkymonkey on Jun 5, 2010 20:56:49 GMT
Result! ;D
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Post by munceyboyjoe on Jun 13, 2010 12:34:23 GMT
Well, the alternator output has been steady and consistent in the past week or so. Yesterday marked a return of the juddering and lurching after leaving the car for 10 minutes in a supermarket car park. I had to leave it and come back to it later in the day, when the problem seemed to have resided and it made it home fine.
Dafdaffer, I don't suppose I can ask, what function does the condenser serve? Is it part of the engine cooling system? I've never had the pleasure of looking at things like contact points so this will be a learning experience.
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pauldaf44
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Post by pauldaf44 on Jun 13, 2010 17:13:44 GMT
The condensor is like a capacitor and stores up charge so you get a decent fat spark rather than a tiny weedy thing that would happen from the breif conection in the circuit otherwise
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Post by munceyboyjoe on Aug 2, 2010 10:45:37 GMT
The Daf has been going strong since the installation of a copper fuel pipe and recent mot. So strong that I decided to take it on a fairly long drive down to West Bromwich from Derby to pick up an old racer bike purchased on ebay.
On the way we noticed steam pouring from the bonnet (couldn't really fail to notice!). Turned out the water hose to the radiator had given in around the seal on the manifold of the engine. Luckily we managed to stop near some older guys who helped us out with some self amalgamating tape. It formed a good enough seal with the poor old hose to get us back in one piece. Now on the lookout for a replacement hose. I think every piece of hose in the engine bay needs replacing really, what with this and the recent failure of the fuel hose.
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Post by munceyboyjoe on Aug 15, 2010 20:16:53 GMT
Forum member Simon has very kindly posted off a couple of spare hoses that should put paid to the steam train impressions for a while.
The chugging spluttering problems are here for good now, particularly up a hill where the engine just dies.
I tried the haynes manual suggestion of prising the contact points open with the ignition on to check for a blue spark = bad condenser. I think there was a spark, but I'm not really sure how much of a spark there should be to point to a faulty condenser.
Either way I'm eager to try a new one as the car is now stranded on the kerb at my girlfriends parents house till I can get it moving! Is the £7 for a new condenser on ebay a decent price? I will pick up some new points while I'm at it.
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spunkymonkey
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Post by spunkymonkey on Aug 15, 2010 20:44:58 GMT
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Post by Richard DAF Webmeister on Aug 15, 2010 20:55:15 GMT
I think we have them for about £1.50. A quick email to Steve will confirm and also whether they are in stock. Same with points etc.
So, £7 is ambitious.
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Post by munceyboyjoe on Aug 15, 2010 21:09:18 GMT
Ok thanks very much guys I may give t'bay a miss this time then.
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Post by munceyboyjoe on Aug 20, 2010 11:39:48 GMT
Daf back on the road, points and condenser changed by local garage. Hope they set the contact points and timing right. Have some spares coming my way soon so fingers crossed I can take care of this issue next time.
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Post by munceyboyjoe on Aug 21, 2010 8:00:33 GMT
I have a question for any knowledgeable Daffers this morning...replacing the old radiator hose (one that takes hot coolant to the radiator) with the much better looking one I've just received. I've been told it's good idea to remove the corrosion around the manifold it attaches to, should I go to some effort to prevent bits of rust falling in said manifold?
Also, I have some silicon sealant I used to temporarily improve the seal with the old hose, would it be a good idea to use a thin ring of this when attaching the new hose? Many thanks!
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spunkymonkey
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Post by spunkymonkey on Aug 21, 2010 9:15:29 GMT
Not based on Daf experience but, generally, for water hose connections on cars, the important bit is to make sure the stubs they connect to are smooth. That doesn't mean getting all the pits out if they're corroded, but there shouldn't be any sharp bits that might cut into the hose. Think "wire-brush" clean. Personally I wouldn't use any sealant unless there was no other way of getting a seal - hoses can be a pig to remove in future anyway once they've been on for any time and something like silicone is liable to make them impossible! A new pipe should seal fine anyway
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33grinder
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Post by 33grinder on Aug 21, 2010 18:24:37 GMT
If you're worried about the seal Joe then use a good quality jubilee clip, the housing needs to be smooth where the clip would be clamping it down.
I wouldn't be using silicon, I wouldn't want to run the risk of it clogging up in the water jacket.
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Post by Richard DAF Webmeister on Aug 21, 2010 20:45:45 GMT
Definitely don't put any silicon sealer anywhere near! Just do as Grinder says with a jubilee clip and smooth pipe.
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Post by munceyboyjoe on Aug 23, 2010 12:53:47 GMT
Thanks guys will do. I took a look at cleaning it up in the sun on the weekend. I started at it with emery paper and the pipe has no sharp bits. The lip around the edge of the pipe has a definate flat spot, almost like a small lump of the ring is missing. Maybe this contributed to the demise of the last hose. The picture isn't too clear but the lip definitely isn't uniform on that pipe. Infact it's pretty ropey all the way around. I guess I'll just fit the new hose and look at it again if/when a problem develops again.
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spunkymonkey
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Post by spunkymonkey on Aug 23, 2010 13:13:26 GMT
From the photo that looks like fairly typical casting quality for the period. Comparing a lot of things on these cars with more modern stuff can leave you wondering how they ever fitted together, but they did! The bonus is that, because the comparatively poor tolerances were allowed for in the design, they tend to be a lot less sensitive to damage in use A new pipe with decent clip should squish itself into shape round that without a problem
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Post by munceyboyjoe on Oct 7, 2010 16:19:53 GMT
Well I don't think anyone has ever been able to draw out a coolant pipe issue this long... Still leaking coolant over the engine bay as steam from the same pipe. Looks I should have heeded the advice to use a good quality clip. I think the issue now is that the old jubilee clip I reused to hold in the thermostat has punctured the hose, maybe overtightened as well...it's been quite tricky to narrow down where the leak is coming from this time; Luckily I have another pipe to try but I will try sourcing some new clips first. Also seems a good chance to flush and replace the coolant. Anyone ever used new fangled silicon hose that is meant to be super strong??
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spunkymonkey
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Post by spunkymonkey on Oct 7, 2010 17:44:41 GMT
Well I don't think anyone has ever been able to draw out a coolant pipe issue this long... Someone must have - it's not the only one of those nasty Renault engines out there ;D Honestly, who ever thought jamming a thermostat into a rubber pipe was a good bit of design? ? From the look of your photo it does look like the pipe's holed or split under the jubilee clip but I'd be quite surprised if the clip itself had done it - if it had any edges sharp enough to do that to rubber then you'd probably have lost fingers putting it on there! Assuming it was a NOS pipe it's more likely that there was a weakness waiting to be discovered - luck of the draw with old rubber I'm afraid! Either way, another pipe and a fres clip should see it all right. Don't do up too tight though - it only needs to nip up sort of "snug", no need to break into a sweat with the screwdriver
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Post by 66coupe on Oct 18, 2010 22:01:27 GMT
Hi Alex Car looks great on the photos. The blue paint is called marina blue. Regarding the battery/alternator problem I think it is more likely to be the battery than the alternator. I replaced the starter motor and alternator about two years ago with a new Volvo 340 example. The battery was replaced just after I got the car from Paul. That is quite a long time ago and it must have suffered from standing still even though it has been on a trickle charger a lot of the time. Cheers Pedro
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Post by 66coupe on Oct 18, 2010 22:02:24 GMT
Please ignore last message. replied to the wrong post!
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Post by 66coupe on Oct 18, 2010 22:03:19 GMT
Hi Alex Car looks great on the photos. The blue paint is called marina blue. Regarding the battery/alternator problem I think it is more likely to be the battery than the alternator. I replaced the starter motor and alternator about two years ago with a new Volvo 340 example. The battery was replaced just after I got the car from Paul. That is quite a long time ago and it must have suffered from standing still even though it has been on a trickle charger a lot of the time. Cheers Pedro
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Post by munceyboyjoe on Oct 30, 2010 12:54:18 GMT
Cheers Pedro. The alternator was rebuilt for a reasonable price at the local garage and has been performing great ever since, infact the electrics are all working fine at the moment. I have some fresh hose clips and radiator hose so should be back on the road before long.
Any tips for fitting the thermostat to the radiator hose other than just shoving it in with brute force?!
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Post by munceyboyjoe on Oct 31, 2010 10:33:00 GMT
Howdy Daffers. I'm looking to replace a radiator hose. The last time I did it, catching coolant as I released the hose was a messy affair. The time I intend to drain the coolant system with some kind of plan. Looking in the manual there are two drain plug's for 66's. One on the bottom of the radiator which I think I have found (only nut there is really), but I can't find the drain plug on the cylinder block. All I have to go on is that it is on the right hand side of the engine, near the starter motor. Number 2 on the image below: Should I forget my futile search for this drain plug and just go with the radiator one, or does anyone have any handy tips for finding it?! Many thanks.
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Post by munceyboyjoe on Nov 2, 2010 19:57:31 GMT
Thanks for the tip Mac. I ended up removing the bottom radiator hose as I just couldn't get my spanner in the space around the drain plug. Coolant replaced, new hose and clips on..will try it out when the sun is shining again. Next job to think about is the rust in the engine bay and poking through the nether regions.
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Post by munceyboyjoe on Nov 13, 2010 16:15:00 GMT
Just fired up the blue bullet beast. A bit reluctant as it has been standing maybe two months. Didn't want to idle without the choke. The new hose seems to be doing its job with no leaks so far.
There was a strange faint smoke/steam/hiss eminating from the right hand side of the engine bay. Hard to capture it on camera, exhaust manifold leakage maybe? No knowledge so impossible for me to diagnose.
I have been doing lots more worrying about than driving with the Daf recently. I'm having thoughts about a more modern car, perhaps a volvo. I wont put it in the ad section yet but if anyone fancies taking on this coupe then do get in touch.
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pauldaf44
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Post by pauldaf44 on Nov 13, 2010 17:19:12 GMT
dont loose faith your in the hub of daf land im sure people can help you
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spunkymonkey
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Post by spunkymonkey on Nov 13, 2010 18:22:09 GMT
How long have you had it running?
After any fairly major work it's pretty common to get a bit of steam / smoke / smell/ hissing sound from odd fluids that have ended up on the engine and gaskets bedding in. Once you've run it up to temp, let it cool then go round and make sure everything like manifolds etc are tight. Gaskets can compress a little when they get heated, so tight before you start it doesn't always mean still tight once it's heated and cooled!
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stefan
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Post by stefan on Nov 13, 2010 18:38:42 GMT
I have a top hose for you here in codnor from Veeruk.
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