No charging and the car cutting out.
No charging and the car cutting out.
Author
Discussion

cejsmith

Original Poster:

169 posts

277 months

Sunday 22nd December 2013
quotequote all
I managed to get my tvr charged and started and went out for a drive..

I was fine to start off with and it stopped a restarted a few times, but when I was going down the A1 , first the radio died, then the instruments pack up an a few yards later on a roundabout the car died.

I assume it must be a charging problem, is the alternator easy to replace or could it be something else???

LaserTam

2,181 posts

240 months

Sunday 22nd December 2013
quotequote all
Have you checked the 100amp fuse (housed under the airbox)? Your symptoms sound similar to mine when that fuse blew.

BuzzBillsberry

1,306 posts

252 months

Sunday 22nd December 2013
quotequote all
Alternator is a pretty straight forwRd altho' one of the lower bolts is a bar steward to get to... Airbox off gives you great access



HTH

Buzz

cejsmith

Original Poster:

169 posts

277 months

Sunday 22nd December 2013
quotequote all
I don't think it is the fuse at the car closed down in stages, out of curiosity I assume there is no battery warning light?

glow worm

6,888 posts

248 months

Sunday 22nd December 2013
quotequote all
Alternator gone .... Did you notice the voltage drop on your digital display ??? When charging (engine running) should be about 14.1V IIRC . When my alternator went it carried on running till about 11.2 Volts , then everything went haywire... dash lights flashing, speedo going mad, rev counter going crazy...then the engine stopped smile and of course lost power steering.

cejsmith

Original Poster:

169 posts

277 months

Sunday 22nd December 2013
quotequote all
Yep the voltage did drop , when the radio went I checked it and it was below 10v. The battery must be in good nick as it started the car 3 times and ran for about 35 miles !!

Do the alternator often go or could it be the drive belt etc?

Basil Brush

5,495 posts

284 months

Sunday 22nd December 2013
quotequote all
cejsmith said:
I don't think it is the fuse at the car closed down in stages, out of curiosity I assume there is no battery warning light?
The fuse is between the alt and battery so if fuse has gone it will stop the alt charging the battery with same symptoms as dead alt.

cejsmith

Original Poster:

169 posts

277 months

Sunday 22nd December 2013
quotequote all
Basil Brush said:
The fuse is between the alt and battery so if fuse has gone it will stop the alt charging the battery with same symptoms as dead alt.
Where is the fuse and I will have a look, it's got to be cheaper that a new alternator

Basil Brush

5,495 posts

284 months

Sunday 22nd December 2013
quotequote all
It's under the airbox attached to the back of the starter motor.

glow worm

6,888 posts

248 months

Sunday 22nd December 2013
quotequote all
I tried a new fuse .. so it's definitely worth a try.

shep1001

4,617 posts

210 months

Sunday 22nd December 2013
quotequote all
Yep, try the fuse before the alternator. Just because it looks OK doesn't keen its not kippered. The heat fractures them internally so i would just replace it even if you end up doing an alternator. I would also check the earths )battery & alternator) and security of the clamps holding the cables to the alternator/fuse holder/battery before you write off the alternator. Should be charging at 13.8v on the dash if all is good. Might also be worth checking if the alternator belt has snapped.

cejsmith

Original Poster:

169 posts

277 months

Sunday 22nd December 2013
quotequote all
Is it a big job taking the air box off , nothing looks stright forwards on the tvr. Let's fave it even checking the oil level isn't easy !!!!

chris watton

22,545 posts

281 months

Sunday 22nd December 2013
quotequote all
cejsmith said:
Is it a big job taking the air box off , nothing looks stright forwards on the tvr. Let's fave it even checking the oil level isn't easy !!!!
If you aint got burn scars on your forearms from checking the oil, you aint no TVR man! hehe

NWTony

2,960 posts

249 months

Sunday 22nd December 2013
quotequote all
cejsmith said:
Is it a big job taking the air box off , nothing looks stright forwards on the tvr. Let's fave it even checking the oil level isn't easy !!!!
No it's not that hard, just remember there is a secret hidden clip on the inner side of the airbox.

cejsmith

Original Poster:

169 posts

277 months

Monday 23rd December 2013
quotequote all
NWTony said:
No it's not that hard, just remember there is a secret hidden clip on the inner side of the airbox.
And where is the secret clip hidden???? Also what fuses should I order as I bet I can't just wander down to halfords or eurocar parts and get them!!!

glow worm

6,888 posts

248 months

Monday 23rd December 2013
quotequote all
Put hand under the airbox and around the back of it on the engine side , opposite side to the two clips you can see. Need to undo the two brackets aswell ( from the fuel rail ,leave attached to the airbox).



You can see the clips on the bottom and top sections, hidden one in the middle








Edited by glow worm on Monday 23 December 08:52

monty quick

230 posts

257 months

Monday 23rd December 2013
quotequote all
If you slide your arm under the airbox from the front, the clip just comes to hand.
Be careful pulling the airbox away from the throttle bodies. The airbox is not a tight fit but the individual bodies are obviously air sealed so the airbox can need a bit of gentle persuasion to come away from each of the air intakes - do not damage the plastic.
The fuse is held with two nuts in a plastic carrier. If you do not disconnect the battery make sure you insulate your socket spanner or sparks will fly when the spanner earths to other metal parts.
These fuses often just break rather than 'blow'. I changed the flat strip fuse for a bodied 125Amp fuse when my fuse broke.