Tick, tick, tick or is it tap, tap, tap?
Tick, tick, tick or is it tap, tap, tap?
Author
Discussion

NickM450

Original Poster:

2,639 posts

230 months

Thursday 11th July 2013
quotequote all
Hi folks,

another wonderful day down this part of the world so I spent a few hours out with the Chim. I have a noise coming from the engine bay, it is related to revs and has been getting steadily worse over the last few trips out. The last lot of work I had done including changing the manifolds. This leads me to believe, I hope, that all it is is some of the bolts coming loose.

Question is, how in the juddering fudge is a person with normal size limbs and all joints working in the correct way supposed to access them?

I've been looking at this lot, is it worth the cost to have them all replaced and are there alternatives that might stop me having to pay the dreaded TVR Tax hehe

Cheers thumbup

Andav469

966 posts

167 months

Thursday 11th July 2013
quotequote all
The manifold bolts are an awful job, even if you have the hands of a 5 year old!

All the top ones can be tightened from above and the two lower front ones, for the rest of them, it's an exhaust off jobbie for the passenger side and the removal of the starter motor on the drivers side, it can be done with the starter in situ but a hell of a lot easier with it removed.

If your only tightening the bolts up and not removing them, then it shouldn't take too long.

phazed

22,508 posts

234 months

Thursday 11th July 2013
quotequote all
My ARP bolts keep coming undone.

The problem as I had it pointed out to me is, ARPs are S/Steel and the washers wont bite into them.

Next time I think I will fit some steel bolts and hope!

As to access, it's a barsteward!!!!

NickM450

Original Poster:

2,639 posts

230 months

Thursday 11th July 2013
quotequote all
I've heard about this too, what washers are you using Peter?

Is there nothing that can be applied to them, loctite or similar, to stop them from getting undone?

Edited by NickM450 on Thursday 11th July 15:39

Smudger33uk

129 posts

166 months

Thursday 11th July 2013
quotequote all
Hi Nick,

a similar thread suggested using these click to stop them undoing. If you're stuck pop around and i'll give you a hand to tighten up the existing bolts.

NickM450

Original Poster:

2,639 posts

230 months

Thursday 11th July 2013
quotequote all
Smudger33uk said:
Hi Nick,

a similar thread suggested using these click to stop them undoing. If you're stuck pop around and i'll give you a hand to tighten up the existing bolts.
Cheers Mark, may well take you up on that offer, I will bring the Inlet Manifold and trumpet base for you to take a look at.

What are those lock tabs then? Will they stop stainless bolts from coming undone?

Smudger33uk

129 posts

166 months

Thursday 11th July 2013
quotequote all
NickM450 said:
Cheers Mark, may well take you up on that offer, I will bring the Inlet Manifold and trumpet base for you to take a look at.

What are those lock tabs then? Will they stop stainless bolts from coming undone?
No problem, just give me a shout.

I believe once the bolts are tight you bend the tabs up to lock them from undoing. Should work for any bolts whether stainless or not. I've not used but probably will give them a go.

chrispitman

742 posts

284 months

Thursday 11th July 2013
quotequote all
i read some where you can get some harder nordlocks to solve the problem, ie there harder than the arp bolts

Andav469

966 posts

167 months

Thursday 11th July 2013
quotequote all
Not sure how well the tabs will work with the ARP bolts as they have a built in washer type rim, tab locks are more effective with standard bolt heads

fausTVR

1,442 posts

180 months

Friday 12th July 2013
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Just my opinion but I wouldn't use stainless bolts as they are softer than a good high tensile bolt generally speaking. As such they can tend to lose their grip somewhat, or they can stretch a bit and hence work their way out. I know they are only bolting into ally threads but even so.

EGB

1,774 posts

187 months

Friday 12th July 2013
quotequote all
Andav469 said:
The manifold bolts are an awful job, even if you have the hands of a 5 year old!

All the top ones can be tightened from above and the two lower front ones, for the rest of them, it's an exhaust off jobbie for the passenger side and the removal of the starter motor on the drivers side, it can be done with the starter in situ but a hell of a lot easier with it removed.

If your only tightening the bolts up and not removing them, then it shouldn't take too long.
Bottom bolts can be done, just, without dropping exhaust. The two bottom bolts at the back are the tricky ones. Need a 9/16 or a 14mm S spanner (Machine Mart) and a 1/4in drive ratget 9/16 socket for the rear one + patience +. Just retightened mine after 50 miles. Used new bolts and washers same as old TVR fitted ones.

stumpage

2,209 posts

256 months

Friday 12th July 2013
quotequote all
Use 9/16" spanners. The difference of 0.3ish MM may not sound much but it makes getting the spanner over the bolt head by feel only and whole lot easier.

Also on a couple of bolts you will have to loosen them, move the manifold away from the block and loosen more otherwise the bolt head starts to hit the manifold making it tough to turn.

But I did mine all from the top and I only removed the Y Piece. Also make sure you disconnect the battery if you're not removing the starter motor.

NickM450

Original Poster:

2,639 posts

230 months

Friday 12th July 2013
quotequote all
A fellow PH'er has kindly agreed to help me tighten my nuts tomorrow hehe

After that, I may well go for the ARP bolts and Nord Locks, see of that does the trick.

From reading the replies, it certainly does sound like a job that would be better to pay someone to do smile

NickM450

Original Poster:

2,639 posts

230 months

Saturday 13th July 2013
quotequote all
Thanks to Mark aka Smudger, my nuts are now tightened..... still have a noise though, he seemed think it sounds 'mechanical' and could be the pushrods, any other ideas?

Also found out that I have a fuel leak frown That ruins next weeks plans then.

EGB

1,774 posts

187 months

Saturday 13th July 2013
quotequote all
Exhaust gadget already with tick tock blows. Tightening nuts will not solve. Check gadget around the plug area with short length of garden hose to ear hole. Listen for hiss/tick to locate the blowing bit.

NickM450

Original Poster:

2,639 posts

230 months

Sunday 14th July 2013
quotequote all
EGB said:
Exhaust gadget already with tick tock blows. Tightening nuts will not solve. Check gadget around the plug area with short length of garden hose to ear hole. Listen for hiss/tick to locate the blowing bit.
I'm guessing you mean gasket? biggrin

No matter anyway, she's got to go back to the garage to locate and fix my fuel leak cry

NickM450

Original Poster:

2,639 posts

230 months

Wednesday 24th July 2013
quotequote all
Right then, had a call from my Colin at TVRS today. He had my car back to investigate the leak and tap/tick noise.

Good news thankfully, noise was the adjustable pushrods I have needing re adjusting, all done as well as the pre loads. Leak was the fuel pressure regulator, that would explain why it didn't leak all of the time.

Collecting her later, going to take advantage of the great weather this afternoon driving