Poor fuel quality and general wear and tear are not the only cause of injector failure, the newer type of injectors sometimes fail due to design problems. Use our solutions finder or refined search box to search for a solution to one problem at a time. Water in the fuel Water is another possible contaminant. A vicious cycle then starts with the engine producing more smoke and sootier carbons being drawn into the intake, a major problem. Then tighten it a further half turn — no more — by hand.
As vehicles get older the turbo waste gate sticks causing the vehicle to either shut down, go into limp home mode or smoke excessively. Keep this manual handy and use it often. Check regularly for oil or coolant leeks. Unfortunately the fault codes don't always pin point the problem but rather bring up an array of codes that could be either this or that. The various smoke colours can help you troubleshoot more specifically what the problem could be. The Intake and Exhaust System Air Intake Filter, Exhaust Manifold, Exhaust Injection Manifold, Exhaust Hose, Mufflers and Lift Boxes, Exhaust Backpressure, Turbochargers, Intercoolers, Table of Intake and Exhaust System Faults. Tightening Torque for Major Bolts and Nuts 5.
Take care not to leave the rubber sealing ring stuck to the filter head on the engine! This often happens right at the beginning of the season, or after the engine has been started with the seacock shut. This results in considerable reduction of heat in the relevant piston. Also make sure that all the vacuum pipes and sensors that operate the turbo are operating correctly. Do not be afraid to try. You will be then able to find more specific information on your problem.
This manual contains service, repair procedures, assembling, disassembling and everything you need to know. Each high point will have a bleed screw: it looks like an ordinary bolt, but has a hole drilled in it that allows air to escape when it is unscrewed a few turns. Dirty fuel will cause problems. Piston and Piston Pin 3. High coolant temperature indicates overheating. I know that if a good quality diesel and an solution is used regularly it will prolong the life of diesel injection equipment.
Faulty pressure regulator — sensor X X X X X We are seeing more turbos failing with newer vehicles, I put it down to a combination of things, high revving engines demanding more power, incorrect driver actions not allowing the engine to idle a while when started and before switching off , poor maintenance and not replacing old oil with a good quality oil. The bottom of the cylinder is sealed by a piston. Every few days or as often as necessary, check the rad for bugs and clean it out. Element The cartridge type of filter is loosened by unscrewing the central bolt The element type consists of a replaceable element inside a non-replaceable body. This will be help you narrow down the problem or problems you are having without wasting time or spending unnecessary money.
Here are some tips for troubleshooting for engine problems. Check raw water is coming in The next check is that the seacock is open and that the strainer is clear. One of the main requirements of the at any rank is to act quickly and thoughtfully to handle any kind of situation. Diesel Engine Toolkit: Mechanical, Electrical and Tools for Cruising. Pre-filters can usually be emptied by opening the drain tap at the bottom and loosening the bleed screw at the top, and allowing the contents to run out into a suitable container. This will help keep the engine cool.
Do not allow high pressure diesel spray to come anywhere near your skin: it is potentially lethal. Also be sure there are no brakes or tires dragging. This is unlikely to be possible at sea, so make your passage to shore as direct as you can. Then, the fuel passes to the lift pump, usually low on one side of the engine. Open the tap until all the contaminated fuel has been drawn off, and clean fuel can be seen flowing into the jar.
The Answer is in the Smoke We can generally understand what is wrong with a diesel engine by the colour of smoke emitted from the exhaust. Main Dealers, specialists and garages equipped with expensive and sophisticated diagnostic equipment still seem to struggle. Here are 5 key things you can do to help you narrow down the source of your engine performance problems and fix them yourself. Then make sure that the pump is delivering fuel. Tools, Measuring Instruments and Other Servicing Equipment 3. This is more of a problem with older or high mileage vehicles. Preparation Before Checking and Servicing Preliminaries Standard for parts replacement including correction 3.
This Professional Manual covers all repairs, servicing and troubleshooting procedures. Air — vacuum in fuel supply X X X X X X X Probably the biggest result of injector failure is due to the injectors having excessive return flow or back leakage. Plugged fuel filters will also stop the truck. The Raw Water Circuit: Raw Water Strainer, Raw-Water Pump, Reconditioning a Raw Water Pump, Heat Exchangers and Oil Coolers, Sacrificial Anodes, Antisiphon Valve, Raw Water Hoses, Hose Clamps, Raw-Water Thermoststs, Table of Raw Water Circuit Faults. Again, strainer designs vary, but in general, the procedure is to shut the seacock, unscrew the top of the strainer body, remove the strainer element, rinse it, and reassemble the whole thing. Troubleshooting Marine Diesels by Peter Compton concentrates on the topics of maintenance and troubleshooting and is aimed at every marine diesel. Replace injectors and turbo at recommended mileages before they fail.
Is this a trial or a limited version? Anything below this will cause starting problems. Low quality fuel from some truck stops have been known to add used motor oil to their ground tanks, to extend the volume of the diesel fuel. This entry was posted in and tagged , , , , on by. So will one that has started to collapse internally, either through old age or because it has been damaged by lack of cooling water. If there are missing bits, you can dismantle the pipework towards the heat exchanger, particularly checking at bend points Use a pair of water pump pliers or two screwdrivers to prise out the remains of the old impeller — taking care not to damage the soft metal of the pump body — and fit the new impeller in its place.