OK. So for £500 quid we're good to go.
After that it is just my nerve and time.
Hmmmm. What could possibly go wrong?!
I guess you're never going to succeed unless you try.
What are the sorts of issues I'm likely to encounter? Any security bolts or known nasties?
Any items I'm likely to need to replace not mentioned in RAVE like rubber o'rings or gaskets or similar?
Grrrrr, mine is in exactly the same boat as yours, when it was on nanocom the timing was something like 90%, way off what it should be, thing is though, it still runs as sweet as a nut!
Grrrrr, mine is in exactly the same boat as yours, when it was on nanocom the timing was something like 90%, way off what it should be, thing is though, it still runs as sweet as a nut!
Interesting. Mine had a range (at idle!) of 43 to 94 with an average of 81.
What's the range on your over a 5 minute period when warm? Is the range indicative of tension on the chain changing? Would be nice to see a trace of someone with an engine just setup ... JohnnyCrash, perhaps?
Don't doubt you, Wammers.
Asked for a quote from an independent Landy chap down here but no response as yet.
Been reading through RAVE again this evening in case I end up doing it. Only just done the coolant, radiator, thermostat and waterpump so should be easy enough to get them out again. Dread to think what will happen if I try to get the aircon compressor or power-steering pump off. Probably seized tight. Exhaust manifold heat-shield - can guess how easy that will be. That just leaves the sump and top of the engine to get off. Looking like a long job though, a weekender for me. All rather daunting.
Although this is a different engine I found the video on timing the pump helpful. Nice and clear. Setting the Land Rover Bosch VE FIPE with a dial gauge - YouTube
If the timing modulation fluctuates at idle warm engine, if the number four injector is sound, it would suggest to me that one or more links in the bottom chain are worn to extreme. With the worn links being opened and closed as they go around the sprockets. When i did my chains the bottom one was reasonably fine with equal wear all around. The top cam chain had severe toothache in three links. Two links had 1.5 mm or so play in them one almost 2.5 mm. The chain could not have lasted much longer without parting. You have had the readings interpreted for you, believe it or not as you think fit.
· Timing modulation (%): This value is the amount of percentage change that the EDC
· ECU applies to the injection timing. It can be checked in conjunction with the Injection
set points and actual values. On a fully warm engine this value should steadily remain
between 45% and 55%. There should be no erratic fluctuations.
How do I check number 4 injector is working properly? Sounds like that needs checking first?
Nonocom? I can see what you're thinking!
Faults
I always get (checked ignition on but engine not running):
CRUISE CONTROL SIGNAL OUT OF RANGE
TYPE: TOO HIGH, LOGGED CURRENT
RPM = 0
WATER TEMP = 64
OCCURANCE = 10
I have no cruise control so I guess that's OK.
I've just started the car, cleared the faults and rerun and I got:
CRUISE CONTROL SIGNAL OUT OF RANGE
TYPE: TOO HIGH, LOGGED CURRENT
RPM = 33
WATER TEMP = 159
OCCURANCE = 10
Is the RPM significant? Water temperature a bit high? Tried clearing faults again (engine still running) and then re-read and got:
CRUISE CONTROL SIGNAL OUT OF RANGE
TYPE: TOO HIGH, LOGGED CURRENT
RPM = 31
WATER TEMP = 142
OCCURANCE = 10
RPM still low. Water temperature coming down. The car was used this afternoon so guess something may have got hot. Bit surprised.
To be fair I just assumed the RPM was to do with the cruise control and ignored it. Guess that may not be the case?
I did have a chart of RPM needle vs RPM crankshaft in one of the spreadsheets. Hold on ... see picture. Blue line is difference is positive where the needle is higher value than crank and negative where needle is less than crank.
Needle range 0 rpm to 2707 rpm with average of 1157 rpm.
Crank range 637 rpm to 2776 rpm with average of 1287 rpm.
View attachment 62870
Nonocom? I can see what you're thinking!
Faults
I always get (checked ignition on but engine not running):
CRUISE CONTROL SIGNAL OUT OF RANGE
TYPE: TOO HIGH, LOGGED CURRENT
RPM = 0
WATER TEMP = 64
OCCURANCE = 10
I have no cruise control so I guess that's OK.
I've just started the car, cleared the faults and rerun and I got:
CRUISE CONTROL SIGNAL OUT OF RANGE
TYPE: TOO HIGH, LOGGED CURRENT
RPM = 33
WATER TEMP = 159
OCCURANCE = 10
Is the RPM significant? Water temperature a bit high? Tried clearing faults again (engine still running) and then re-read and got:
CRUISE CONTROL SIGNAL OUT OF RANGE
TYPE: TOO HIGH, LOGGED CURRENT
RPM = 31
WATER TEMP = 142
OCCURANCE = 10
RPM still low. Water temperature coming down. The car was used this afternoon so guess something may have got hot. Bit surprised.
To be fair I just assumed the RPM was to do with the cruise control and ignored it. Guess that may not be the case?
I did have a chart of RPM needle vs RPM crankshaft in one of the spreadsheets. Hold on ... see picture. Blue line is difference is positive where the needle is higher value than crank and negative where needle is less than crank.
Needle range 0 rpm to 2707 rpm with average of 1157 rpm.
Crank range 637 rpm to 2776 rpm with average of 1287 rpm.
View attachment 62870
I too get some odd readings like that on starting, if cleared, they don't come back until it's started again. I assume it's down to electrical noise from the starter or low voltage at the ECU.
Go into BECM and switch cruise control off if you haven't got it fitted. The BECM thinks you have it. Then put the bloody thing away.