TVR Chimaera Coil Arc-ing
Discussion
Just bought a 1997 Chimaera, after a few miles the engine was running 'lumpy' at low revs.
When I opened the bonnet I could hear a clicking noise.
On closer inspection I noticed there was continous Electrical Arcing from where the King lead enters the coil onto the spade terminals on the coil.
Gave the coil terminals a quick clean & replaced the spade connectors onto the coil.
Seems alot better but still the odd Arc in the same place.
Anyone else had this problem?
Should I spend more time cleaning up the terminals or replace the coil?
Is the King lead moulded into the coil or can it be replaced?
Advice would be much appreciated.......
When I opened the bonnet I could hear a clicking noise.
On closer inspection I noticed there was continous Electrical Arcing from where the King lead enters the coil onto the spade terminals on the coil.
Gave the coil terminals a quick clean & replaced the spade connectors onto the coil.
Seems alot better but still the odd Arc in the same place.
Anyone else had this problem?
Should I spend more time cleaning up the terminals or replace the coil?
Is the King lead moulded into the coil or can it be replaced?
Advice would be much appreciated.......
If it's following a track in the coil end cap, it will need replacing unfortunately. You need to disconnect everything to get a proper look. If no track is evident it might clean up. The king lead is detachable from the coil: just pull it. The rubber boot may be sticking a bit if it's been on a long time.
The Bosch coil (PRC6574) is not supplied with a king lead, but it does come with the proper 'Lucar' spade connectors, so it's a direct, plug-in replacement. But beware when you order it: they seem to have changed it recently from a cylindrical coil to something that looks nothing like the original, although the part numbers are the same. If you shop around you should be able to get one for under £40.
Fitted new Bosch coil & king lead, no more arc-ing!
Still running lumpy though....
Plugs were all changed baout 4 weeks ago & all new leads were fitted July last year, aroud 5K miles ago, so doubt its that
I though maybe take out plugs & clean incase its running rich, worth a try?
Any ideas folks?
Still running lumpy though....
Plugs were all changed baout 4 weeks ago & all new leads were fitted July last year, aroud 5K miles ago, so doubt its that
I though maybe take out plugs & clean incase its running rich, worth a try?
Any ideas folks?
Fault traced to cooked HT leads on account of there being no heat sheids on the spark plugs
Leads were changed 9 months ago by a TVR dealer, also plugs were changed 4 weeks ago by same TVR dealer, why weren't they fitted on either occasion?
I've been told by Garage & ACT Performance(HT lead supplier) that they must be fitted to these cars
Also Lambda sensors become old & lazy, may also have to be changed if new leads don't cure problem completly
These seem very expensive (around £100 each), anyone know were I can get cheaper ones if required?
Leads were changed 9 months ago by a TVR dealer, also plugs were changed 4 weeks ago by same TVR dealer, why weren't they fitted on either occasion?
I've been told by Garage & ACT Performance(HT lead supplier) that they must be fitted to these cars
Also Lambda sensors become old & lazy, may also have to be changed if new leads don't cure problem completly
These seem very expensive (around £100 each), anyone know were I can get cheaper ones if required?
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