Same old B14 VArio running probs (again)

B14, B172, B19/200, D16 engine, ignition, cooling, fuel & exhaust system, gearbox, variomatic, final drive... | Tuning: engine swaps, welded diff, clutch upgrades...
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JPB
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Re: I broke my car because im stupid.

Post by JPB » 07 Aug 2010 08:34 pm

Well, this afternoon, out came the plugs for a compression test as a first check for obvious washer-related damage.
I took a photo to show the reading on the gauge but failed to save it to the SD card in the phone :oops: so you'll need to believe this:
All four cylinders read within less than 1% of 218psi! Healthy figures as expected, including from number one, where a plug with the porcelain broken away around the bent remains of the centre electrode was found, the outer electrode having been bent completely away from the plug's centre. The good news was that, sitting there, hooked around the bent centre electrode, was the elusive washer, or at least a large portion of it.

So, after Ben bought a spark plug and fitted that, the engine was started and ran sweetly, then came a rattle that at first sounded like an end noise. Strangely, it went away again and stayed away until the engine was turned off, then restarted which was tricky as the starter motor was misbehaving. I had a listen around the block and head with the Tommy bar of the plug spanner as a stethoscope, nothing but smoothness, but the current thinking is that the starter pinion is playing silly buggers and the noise of that, catching occasionally on the ring gear, was causing that worrying knock.

Ben still has to address a stripped stud in the carb before pressing the car back into regular service, but other than that, all was found to be well and at least that sweet little engine is still sweet. Phew! sm4

I also took a photo of an axe being used as an improvised starter wake-up device, perhaps as well that one didn't save either...... :mrgreen:
John.

Previous keeper of VND's 1989 340 GL 5 door vario.
1972 Triumph Dolomite Automatic.

volvosneverdie
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Re: I broke my car because im stupid.

Post by volvosneverdie » 07 Aug 2010 09:00 pm

Many many thanks to John for all of his advice, help, direction and cheaufering duties today.
Seems b14s really are quite hard to kill.

Shame the pic of using the axe got lost. Surely the first time anyones got a 300 going using such a bizzare tool. :lol:

the future looks bright though.

sort the starter problem, new carb, and hopefully drive it again!
Last edited by volvosneverdie on 08 Aug 2010 04:52 pm, edited 1 time in total.
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macplaxton
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Re: I broke my car because im stupid.

Post by macplaxton » 07 Aug 2010 09:06 pm

Result sm4
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Chris_C
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Re: I broke my car because im stupid.

Post by Chris_C » 07 Aug 2010 09:23 pm

volvosneverdie wrote:Shame the pic of using the axe got lost. Surely the first time anyones got a 300 going using such a bizzare tool. :lol:
Nah, sorry chap ;)

Don't get a new carb. Either tap it out to the next size (fairly scary, metal shavings to get in the engine plus same thing can happen again) or make a stud up.

What you really want is a bolt with no thread through the bit where it passes through the carb flange of the same size of the orig bolt, that way the thread won't wear away the flange more.
'89(G) 340 GLE B172k
'03 S60 D5 SE, '91 (J) MX5, 1954 Cyclemaster
Ex:
'89(F) 340 GL F7R (ex B172k) - Fake -> SBKV 300 Runner Up 08, 12; '91(H) 340 GL B14.4E - Kar; '88(F) 360 GLT B200E - Jet -> BKV 300 Runner Up 09; '89(G) 360 GLT B200E - Beast

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volvodspec
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Re: I broke my car because im stupid.

Post by volvodspec » 07 Aug 2010 09:33 pm

wtf, i (well, my dad drove!) had the same thing; a spring-washer and normal washer M8 went in; destroyed plug's 3 and 4, very worrying rattle and not running smooth. did a CR test and saw a 70psi drop on those 2 cylinders.

you're definatly a lucky bastard Ben!! :D

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Re: I broke my car because im stupid.

Post by volvosneverdie » 07 Aug 2010 09:49 pm

Chris_C wrote:
What you really want is a bolt with no thread through the bit where it passes through the carb flange of the same size of the orig bolt, that way the thread won't wear away the flange more.
that would only get me back to page 1 of this thread. :lol:
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macplaxton
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Re: I broke my car because im stupid.

Post by macplaxton » 07 Aug 2010 10:25 pm

I might be able to lay my hands on a carb. If I do, you won't be getting it directly, but via a third party competent in the use of sockets :wink:
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nvdw
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Re: I broke my car because im stupid.

Post by nvdw » 08 Aug 2010 04:45 pm

Good news VND. I've run a rough running B14 for miles after miles until further inspection by knowledgeable people revealed that one of the pushrods had worked itself loose, effectively eliminating one cilinder (hence the rough running). What happened: I adjusted the valve clearances for the first time in my life and had probably forgotten to tighten the securing nut properly. You see, we are far too kind to work on cars, frightened to break something by overtightening things, and there you are...

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Re: I broke my car because im stupid.

Post by volvosneverdie » 08 Aug 2010 04:58 pm

volvodspec wrote:
you're definatly a lucky bastard Ben!! :D
I think the car took pity on me and did uts best to stick the rubbish up the plug where it would be easy to get out.
Mans best friend a dog? No, mines a 340. :lol:
nvdw wrote: You see, we are far too kind to work on cars, frightened to break something by overtightening things, and there you are...
Tell that to my carb bolts dude. :oops:
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Re: I broke my car because im stupid.

Post by volvosneverdie » 10 Aug 2010 10:01 pm

Fixed!

fingers crossed, touch wood, touch back - no swappies back etc.

see main thread.

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New (old) Vario running issues. (again)

Post by volvosneverdie » 11 Aug 2010 12:55 pm

FFS.

Origonal running issued have returned (after a new carb)

So, the carb has been changed for a one known to be in good order so we can rule out -
Engine. seems ok. - havnt changed ign parts (bar one plug) but everything looks ok.
Carb base warping
Carb soleiod
Loose carb Bolts.

Note - This ONLY starts happening after prolonged use, 20 - 30 mins and make the car a bitch al low steady speeds.

Got to be an air leak somewhere then surely??
But why only after 20 - 30 mins of running?

Buh.
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macplaxton
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Re: I broke my car because im stupid.

Post by macplaxton » 11 Aug 2010 01:43 pm

Fuel supply problem? Is my first random thought.

Could be electrical. I had Kawasaki years ago what would misfire when hot. Ran perfect cold. Was a dodgy electrical connection breaking down under heat. That's a second random not necessarily related to the first.

Do you have an in-line fuel filter? Is the expansion bottle in the boot properly plumbed in? Are all fuel lines good?


no diesel in it?
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Re: I broke my car because im stupid.

Post by volvosneverdie » 11 Aug 2010 01:53 pm

macplaxton wrote:Fuel supply problem? Is my first random thought.

Could be electrical. I had Kawasaki years ago what would misfire when hot. Ran perfect cold. Was a dodgy electrical connection breaking down under heat. That's a second random not necessarily related to the first.

Do you have an in-line fuel filter? Is the expansion bottle in the boot properly plumbed in? Are all fuel lines good?


no diesel in it?
No Dweezil in it.
No in line filter, (not that Ive seen mind)
Not checked the fuel lines, so thats something to do. No OBVIOUS leaks though. Ie nothing dripping, no smell.
There was a smell of gas (american petrol) but that was diagnosed as overfilling, and cleared in a day.

Cheers Mac, I'll have a look at the lines.
John thinks try the Vaccuum valve too, so Ive got to be strking off the "possible causes" list.
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Re: Same old B14 VArio running probs (again)

Post by Chris_C » 11 Aug 2010 05:42 pm

What condition is your spaceman tube in mate? Though that would suggest the flappy thing still works, which is never the case!
'89(G) 340 GLE B172k
'03 S60 D5 SE, '91 (J) MX5, 1954 Cyclemaster
Ex:
'89(F) 340 GL F7R (ex B172k) - Fake -> SBKV 300 Runner Up 08, 12; '91(H) 340 GL B14.4E - Kar; '88(F) 360 GLT B200E - Jet -> BKV 300 Runner Up 09; '89(G) 360 GLT B200E - Beast

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Re: Same old B14 VArio running probs (again)

Post by volvosneverdie » 11 Aug 2010 05:44 pm

Chris_C wrote:What condition is your spaceman tube in mate? Though that would suggest the flappy thing still works, which is never the case!
Whats a spaceman tube chris?
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