Search found 157 matches

by jrh
Sat May 02, 2020 8:47 am
Forum: The Garage - Technical Forum
Topic: Engine fault codes procedure
Replies: 17
Views: 5180

Re: Engine fault codes procedure

That's good Bob, just the needle 'flickers' to decode now.
by jrh
Fri May 01, 2020 4:50 pm
Forum: The Garage - Technical Forum
Topic: Engine fault codes procedure
Replies: 17
Views: 5180

Re: Engine fault codes procedure

No, the resistor is in series with any 'leg' of the LED. The purpose is just to limit the current draw to a tiny amount under any circumstances.
Some 'cheap' voltmeters can impose a significant load on the circuit ( that needle doesn't move by magic ! ).
by jrh
Fri May 01, 2020 9:26 am
Forum: The Garage - Technical Forum
Topic: Engine fault codes procedure
Replies: 17
Views: 5180

Re: Engine fault codes procedure

Secondly, the reason why I think the LED method is better , no 'inertia' to overcome !
The gaps between driving the voltmeter pointer 'up' may not be long enough i.e. will look like a series of 'dots' with no 'dashes'.
by jrh
Fri May 01, 2020 7:34 am
Forum: The Garage - Technical Forum
Topic: Engine fault codes procedure
Replies: 17
Views: 5180

Re: Engine fault codes procedure

Best to look at the plan view of the diagnostic socket in your wiring diagram book.
Then, a piece of stiff wire loops between GND and TEN
The +ve leg of the LED goes in B+ the other leg in FEN.
The 4.7k resistor can be in either leg of the LED.
Read the Morse code flashes.
by jrh
Thu Apr 30, 2020 6:51 pm
Forum: The Garage - Technical Forum
Topic: Engine fault codes procedure
Replies: 17
Views: 5180

Re: Engine fault codes procedure

I would be a bit nervous using a multimeter ! They can impose quite a load on the device (ohms/volt) .
Dead easy to make up the LED tester +4.7k resistor and the straight wire link and count the 'dots and dashes'.
by jrh
Mon Apr 27, 2020 8:02 am
Forum: The Garage - Technical Forum
Topic: Oil pressure & tapping
Replies: 31
Views: 9466

Re: Oil pressure & tapping

Can you pin-point where the noise is coming from with a stethoscope before doing anything drastic ?
I have to say that the oil pressure does seem a 'bit' low.
Even my dear old M515 never went below halfway on the gauge at 230,000miles.
by jrh
Mon Apr 20, 2020 8:43 am
Forum: The Garage - Technical Forum
Topic: Blocked brake pipe
Replies: 13
Views: 6061

Re: Blocked brake pipe

I think ,perhaps, the ABS unit stops the system from being sucked dry.
You have no choice now but to flush the whole system from 'the top' , one wheel at a time.
by jrh
Fri Apr 17, 2020 10:32 pm
Forum: The Garage - Technical Forum
Topic: Track control arms and bushes
Replies: 2
Views: 2445

Re: Track control arms and bushes

Yes, that is correct.
The 'front' tubular struts are 10mm short.
by jrh
Fri Apr 17, 2020 10:27 pm
Forum: The Garage - Technical Forum
Topic: Under arch painting
Replies: 8
Views: 3668

Re: Under arch painting

I can promise you will not have any problem like that with the Dinitrol 77B !
It isn't cheap but will outlast Waxoyl many times over.
by jrh
Sat Apr 11, 2020 7:17 pm
Forum: The Garage - Technical Forum
Topic: What is this?
Replies: 16
Views: 6780

Re: What is this?

Yes, that was what I thought it was but...........
On closer inspection, it's NOT the closing piece that fits at the end of the trim ( as it runs down the side of the tailgate window ).
No, don't know.