Re: Discovery 4: Click No Start. Just connect a jumper cable from engine block to a good chassis earth or battery negative and try again. 1993 3.0 V6 Pajero - SOLD : 2001 3.2 Di-D Pajero - SOLD. 2005 Touareg R5 2.5 TDi - SOLD : 2007 Pajero LWB 3.2 Di-D. My YouTube channel. On average, Discovery 4 maintenance costs around £400 per annum. These vehicles should ideally have their oil changed every 7500 miles and have a thorough inspection every 30,000 to discover wear and tear that could cause more major problems. 5W-30 synthetic engine oil is suitable for a Land Rover Discovery 4. It appeared to be of higher quality (in casting density and spring strength) than the Napa brand part, and indeed appeared to be exactly the same as the Land Rover part. The final kicker was that while the "genuine" Land Rover part is well over $150, the Napa part cost was $51.99, and the AC Delco only $38.51!" 147. Reaction score. 0. US and Canada is only place we call Discovery 4 as LR4. I have owned my LR4 about 2 weeks now. Three issues so far. Bad tire or wheel caused some vibration at the steering wheel at 60mph or higher right after taking a delivery. Dealer needed 24 hours to figure it out. First they thought their wheel balancing machine was Steering was still really heavy at idle/ vehicle stationary. I fitted a pressure gauge to check the pump output & I was only getting 10 bar at idle and 30 bar at 3000 rpm (It should develop 110 bar at idle and above). I fitted a replacement second hand pump & problem was gone - 110bar from engine idle upwards. 4.6l V8. I've been chasing down the P1412 issue for a month. Here is what I've done so far: Replaced the SAI Pump with a new unit. It howls as it should upon start up for 70-80 seconds. Replaced, twice, the Solenoid on the Drivers side. Checked, re-checked, and then checked again all the vacuum hoses, big ones and small ones. They are all secure. An issue has been identified on a limited number of Land Rover vehicles within the listed Affected Vehicle Range which may experience excessive engine cooling fan noise in the passenger 2012 LR4 electrical issues; TPMS error, dash goes blank. So this has happened a few times, but this morning was the worst. This is my wife's car, 2012 LR4 5.0 we have owned it for about 3 years. It started about a year ago but has occurred now maybe four times. We installed a newer Interstate battery from LR about a year ago, I've checked the 4 days ago · Annual Service Costs for vehicles like yours. Your costs may vary. 24 K 36 K 48 K 60 K 72 K 84 K 96 K Miles $ 400 $ 800 $ 1200 $ 1600. 60 K - 72 K. $ 1268. $ 918. Scheduled Maintenance Costs Jun 12, 2020. #8. Keep it simple first chaps. Remove the sender unit - turn on ignition and move the float up and down whilst watching your fuel gauge. Float - Rock bottom is empty warning light on. If gauge doesnt say the same - New Sender Unit / fuel pump assembly gtIij.