Help! Ideas please
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db484bhpv8

Original Poster:

8,676 posts

249 months

Saturday 27th July 2013
quotequote all
Ive been having hotstart problems that have been getting worse.

I have relocated the battery to the boot with 50mm cables and fitted a brand new starter yesterday.

This morning the car started first time and i pulled it out of the garage and started to pack for my trip.

Just tried to start the car and all i get is a big click coming from the new starter.

Ideas please.

AAAARGH

Barreti

6,689 posts

266 months

Saturday 27th July 2013
quotequote all
db484bhpv8 said:
Ive been having hotstart problems that have been getting worse
Ignition amp dying has these symptoms.

But double check your starter connections and the battery/earth connections since you've been there recently. It could be just a loose wire.


Edited by Barreti on Saturday 27th July 10:16

db484bhpv8

Original Poster:

8,676 posts

249 months

Saturday 27th July 2013
quotequote all
Barreti said:
Ignition amp dying has these symptoms.

But double check your starter connections and the battery/earth connections since you've been there recently. It could be just a loose wire.


Edited by Barreti on Saturday 27th July 10:16
All connections are good.
I did notice the new starter sounded a little laboured when i first tried it.
My battery is quite old. Ive just measured 12.65 volts but could it be the battery?
maybe the earth to the rear chassis bolt is insufficient?????

tvrboy55

185 posts

199 months

Saturday 27th July 2013
quotequote all
battery power should be 14v plus, may be one of the cell in your battery is nackerd. try it with a doner battery to jump start it a few times. and then with yours a few times.

EGB

1,774 posts

186 months

Saturday 27th July 2013
quotequote all
Check and bright clean earth under front wheel arch to chassis drivers side.
Check Earth front chassis offside corner. Radiator grill may need removing to access.
Check starter motor is not sticking. Rock car in 3rd gear with ignition off (key removed) to release if stuck.

EGB

1,774 posts

186 months

Saturday 27th July 2013
quotequote all
tvrboy55 said:
battery power should be 14v plus, may be one of the cell in your battery is nackerd. try it with a doner battery to jump start it a few times. and then with yours a few times.
Mine starts ok with 12.13 volts. A new Bosch battery this. Will check it out with the supplier it should be 630 amps. I'm a bit suspicious.

RFC1

1,110 posts

226 months

Saturday 27th July 2013
quotequote all
tvrboy55 said:
battery power should be 14v plus, may be one of the cell in your battery is nackerd. try it with a doner battery to jump start it a few times. and then with yours a few times.
No it shouldnt unless the car is running. 12.7v is way ok for a battery .

TV8

3,522 posts

204 months

Saturday 27th July 2013
quotequote all
Hi Derek, Do you have a relay putting power to the starter? If you don't, have a look at the ignition switch if you have tried all the other things

bobs4c

314 posts

267 months

Saturday 27th July 2013
quotequote all
Do you still have the Meta system fitted? I had an annoying intermittent problem which turned out to be the immobiliser. I hadn't realised that it could fail even when the fuel pump primed! If you've only backed out of the garage it doesn't sound like a hot start issue.

Bob

QBee

22,436 posts

173 months

Saturday 27th July 2013
quotequote all
When I got my car back from the 4litre to 5 litre upgrade it sounded totally different starting......a slow grind to start with, then speeding up until it fired. Never failed to fire, but took longer than before. I assumed it was the different engine.

A few weeks later I had the ECU out of its slot next to the battery and noticed the corner that would have been lowest and furthest fom the passenger seat was wet and sticky. Tasted it - acid. Acid on the carpet too.

Took it to the tyre and battery place. Good volts, good amps, but their big test kit said bad battery.

Changed the battery, now it starts fast and like it always used to.

Worth trying a different battery, even if you do have 12.6 volts. It's current you need, as you know.

anonymous-user

83 months

Saturday 27th July 2013
quotequote all
TV8 said:
Hi Derek, Do you have a relay putting power to the starter? If you don't, have a look at the ignition switch if you have tried all the other things
+1

Walford

2,259 posts

195 months

Saturday 27th July 2013
quotequote all
check voltage when cranking, my LSx motec needs about 9.6 volts to start

RUSSELLM

6,002 posts

276 months

Saturday 27th July 2013
quotequote all
tvrboy55 said:
battery power should be 14v plus, may be one of the cell in your battery is nackerd. try it with a doner battery to jump start it a few times. and then with yours a few times.
No it shouldn't.

13.2-14.4 when on charge, but I'd be surprised if a 12v battery has more than 13V in it whilst being left overnight.

Agree with the jumping it off another motor though, to test the theory. Preferably something with a decent output or a Diesel & a good thick set of leads.

WOO5IE

966 posts

226 months

Sunday 28th July 2013
quotequote all
I have recently had the same issue. I beleived my battery was Ok so I went down the route of checking immobiliser etc.

Eventually it all seemed to point to a dodgy connection to the solonoid. It failed again the following morning and then I tried a jump from my other car's battery and it proved it was the battery. It seems so obvious now but the old battery was 5 years old. A new Boshe battery from Ebay for £65 and all is well. Sometimes these non sytarting threads can lead you to deeper problems rather than trying the basics first.
Measuring voltage on a battery will not tell you if its any good or not

db484bhpv8

Original Poster:

8,676 posts

249 months

Sunday 28th July 2013
quotequote all
I had the battery tested before I set off. Seems the new starter I bought is sticking. A rock of the car in gear is needed 9 times out of 10. When it does work it's very laboured!

Guillotine

5,516 posts

293 months

Sunday 28th July 2013
quotequote all
what starter mate?

you need one of these.. RAC 318

http://www.racemettleltd.co.uk/t.html

reduction gearbox. will spin yours like a top at any temp.
did on my 5.0 4.5 & 4.8 at 12.5:1 red hot.

Takes the heat well as you can rotate it on the plate to distance the solonoid which is smaller anyway.
Andy

x works

180 posts

200 months

Sunday 28th July 2013
quotequote all
It's the trigger feed to the starter circuit from the alarm system , it drops down to about 7v on most if not all TVR,s in time.
Gets worst if you put the battery in the boot also , a touch of the old "V D " voltage drop(especially when hot)
Cut out that circuit and put a fresh feed through a new relay straight from the battery .
As sold by a few sources or make your own with a good relay kit.
Chop it in through the black connector block in the passenger footwell

potato muncher

613 posts

244 months

Sunday 28th July 2013
quotequote all
x works said:
It's the trigger feed to the starter circuit from the alarm system , it drops down to about 7v on most if not all TVR,s in time.
Gets worst if you put the battery in the boot also , a touch of the old "V D " voltage drop(especially when hot)
Cut out that circuit and put a fresh feed through a new relay straight from the battery .
As sold by a few sources or make your own with a good relay kit.
Chop it in through the black connector block in the passenger footwell
What Heath Said.

I do not understand either and would just take mine to X Works for him to sort.

glow worm

7,406 posts

256 months

Sunday 28th July 2013
quotequote all
potato muncher said:
What Heath Said.

I do not understand either and would just take mine to X Works for him to sort.
smile

EGB

1,774 posts

186 months

Sunday 28th July 2013
quotequote all
db484bhpv8 said:
I had the battery tested before I set off. Seems the new starter I bought is sticking. A rock of the car in gear is needed 9 times out of 10. When it does work it's very laboured!
Change it. It's been on the shelf too long and may have a rusty pinion. Cleaning and a bit of thin grease may get it going.