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Do you have LPG installed? If you do run it on gas during the test.

I’ve had this with a petrol one, check the rubber air intake after the MAF sensor, they split underneath and make them run lean due to unmetered air.

Hi, It sounds like you have a positive or negative earth leak, A wire may have rubbed through or something full of water. Try disconnecting one fuse at a time and see if it stops as a way to trace which circuit it's on. Tow socket full of water?

Is the vehicle an Auto? Torque converter not locking up would increase the coolant temp. I've had this happen, normally with the gearbox temp light on. Auto box will highlight cooling system weakness on a long incline. System needs to hold pressure first

Too much diesel would cause alot of black smoke, when working hard the coolant system needs to hold its pressure to prevent boiling and temperature rise.

Is the pipe from the rad cap to the expansion bottle clear?

It would be worth checking the pressure cap is holding its pressure. 0.9 bar. Some coolant pressure testers can test the cap as well.

Hi, I have just replaced my leading arm bushes but fitted the same way as the old ones.

Test the solenoids for a low resistance, I’ve had them fail, depends which one fails as to what gears you have or don’t have.

Is your Landcruiser fitted with the pull down radiator cover? I think it's used for cold weather etc but would also help with wading. I'm unsure if all Landcruisers had them fitted but mine do.

4 months off the road, connected the batteries and she fired straight up. New radius arm bushes and straight through MOT!! One advisory for rear disc’s, but they aren’t bad enough to change yet.

I didn't realise the Rav4 had such problems until I bought one. 2AD engine had lots of head gasket problems with Toyota replacing them under warranty. They changed to the BMW engine as they had so many issues with the 2AD.

You have uprated the gearbox cooler but what made you do that? When I first got my 80 the gearbox would overheat, it was due to the torque converter solenoid not working so didn't lock up.

Hi Jez, Why do you find d it hard to tow your caravan? I live in Devon and tow our twin axle van with no problems. You do need to accept its a 30 Yr old vehicle. I find the auto box more the problem than the engine. Is your fuel tank pick up filter clean?

Do you know the key fob batteries are OK? Does a red light show when the buttons are pressed?

I have had one do it before, the CDL would engage and not come out. The wiring into the CDL had a broken wire and would only come out if the loom was wiggled.

Do you hear the center diff lock working with the ignition on, engine off?

Have you replaced the pick up filter in the tank?

Hi, What year is it and how many miles? Does it start OK? Fuel filters and pick up filter been checked? T in to boost line and check boost pressure. Compensator diaphragm checked? Compression check, if OK injectors out and serviced. It can't be much wrong with it.

Merry Christmas to you all, all the best for 2024. Hope to come to one of your meets this year, I always watch what’s happening but can never seem to make them due to family commitments etc.

Hope he is ok, I have never met Shane but love his wit and old fashion values in his posts!

Where did you buy the belts? It is normally a very straight forward job, you could try removing the adjuster mount on the alternator for a little more travel. I normally put one belt on at a time and work them over the pulleys.

Well she has done it again! 30 years old and only two advisories! Very happy owner and a pat on the dashboard for the old girl.

I have done the head gasket on a 4.5 petrol. It’s ok to do with nothing to worry about. The head is heavy and long so it’s best to lift it off with a controlled method. Mark and remove the distributor at TDC. The last one I did was caused by the lpg being plumbed into the heating control valve...

Try removing the exhaust after the turbo or loosen it at a joint, does it have a cat on it? A little more info on engine type and age would help.

you could disconnect the heater supply and test the alternator charge voltage again.

I’m unsure which make if alternator you have but you can buy a brush box, regulator and diode pack for around £50. They are easy to replace as long as the slip rings are ok.

It sounds like you have an internal fault with the alternator. Sometimes all of the warning lights stay on when the diode pack fails.

Is your red light on above the voltage indicator? Are all of your warning lights on on the dash?

Hi Towpack, I had a manual 80 that the VC failed on. It was like driving with the centre diff lock in all the time. I removed the VC from the transfer case and the vehicle drove fine etc. I think it would be the same as the earlier transfer box with no VC fitted?

If the VC can fail open, just engage the centre diff lock. I removed a VC from the transfer box and the vehicle drove fine. I think the most common VC failure is to lock solid.

I have had a VC fail and it locked up solid, front prop shaft removed and I drove it as a rear wheel drive for a bit. If it’s got reverse the transfer box should be ok. I have had the front axle drive flanges just about making contact and they do drive until some force is applied then they slip...

Hi Frazer, I have used a company called JPAT transmissions before, always found the very helpful and a very good website. They have a full manual with part numbers etc for the A442F. I’m unsure but it looks like a valve for diverting oil controlled by the solenoid valves. Cheers

Thank you for your input, I don’t have a RTT or too much weight on board apart from the family. The caravan is a twin axled van and I load the clothes etc over the axles. I will run them at 30 psi and keep an eye on them. I don’t want to ruin them do to running the wrong pressures, my work...

Another thing it tells you is how good a 30year old vehicle can be when it’s an 80. Not many vehicles would Pass with such little defects.

Just a query, what pressures do you run if using BFG ko2 a/t @ 275/75/16? I have just checked mine and I thought they where ok but on checking were 25psi? I have put 30psi in all of them and it has just done 200miles with the caravan and can hardly notice any difference.

I had a similar thing with mine when a 3” exhaust was fitted, it would knock when switched off, it was just touching around the bell housing area.

I have had this happen to me and it was a faulty lambda sensor.

I think what he means is the idle is too high so that when D or R is selected the vehicle is trying to move and having to be held on the foot brake. It not very nice when you are trying to hold them back.

Make sure the ignition timing has been set properly.

Have you checked the rubber air inlet hose from the air filter for splits?

I would just remove what you have left of the ascd. Adjust your idle if needed. You can purchase or make a blanking plate, just use some shorter M6 bolts for mounting.

I have attached two pictures, one with ascd fitted and one with the blanking plate.

The ascd is a wax stat that advances the diesel pump for cold starts, this slowly retards the timing as the engine temp warms. You just have the threaded spindle showing with no arms or springs on. The ascd can be removed and a blanking plate fitted. I have removed mine for the last couple of...

Hi , It looks your Ascd has had the speed adjustment arms removed, I think some one has set the idle to allow it to start and run but it’s not correct for when it’s warm? I don’t think you have an air problem as they just don’t start until primed up, it would be hunting etc and maybe cut out.

Hi, I have just had a set of front wings for a bj40 delivered by 4x4 megastore pt and the service was brilliant. Saving up for some other parts now.

I have rebuilt mine using a new brush pack and a new regulator. Parts are only around £50. Very easy to do.