Factory support seemed nil and the dealers seemed to not understand the problems and appeared to have little desire to learn about or service them, and aftermarket support was virtually nonexistent. Once the belt is tight, remove the breaker bar from the tensioner and out of the engine compartment. The internet was still in it's infancy and the little information online about the 6. It will destroy pets liver in 24 hours if they drink it. Disclaimer : By reading the website, readers understand and agree to all set forth on the site and herein and realize that although effort has been made to try to present accurate information this website, it could contain some errors, mistakes, opinion, and typos so use any information and with that in mind, if in doubt, reader should research anything they do not understand or question as reader is responsible for their own actions.
If this site has helped you consider a Donation. Because there was an existing inventory of engines in the system, Hummers built after the update may not have the enhanced block. Let engine cool before working on it. There should be a steady stream of fuel. It will work over the course of say, 2-3 weeks Again, I don't recommend any of them personally unless it's in a racing application in which everything gets flushed immediately after use.
Turbo diesels produced from 1996 when they were first offered on the Hummer to some say into 2000 are at risk. Save your Injection Pump from early heat related failures. The truck may be difficult to start, but will run. If you get it, be sure to add a set of Timbrens to the front end. Your problem could be a leaky radiator or heater core.
Set it aside for now. You will see a large radiator housing coming from it. The blocks in question were made from 1994 to 1998. Another easy test for the 8 cylinder is to pressurize the cooling system with a radiator pressure tester to around 15psi. I'm also not too familiar with how the auto tranny held up against it.
It's flushable I drew some out from the bottom coolant drain and it comes out , and so far it's only left a brownish residue on the bottom of my overflow tank. There are 4 bolts to open the housing 15mm and hose clamp s to loosen on the radiator hose. The pump harness is not the same as the extension harness we have listed below. You may also want to check your heater control valve, they are notorious for leaking. The thermostat housing is located on top and front of the engine. Irontite makes block repair kits from chemical based seals like the All Weather Seal to actual pin repair kits used by engine restorers.
What happens is high pressure exhaust gas from the cylinder forces it's way through the crack into the water jacket around the cylinder pressurizing the cooling system. Many times we hear from customers that their 6. Currently we do not stock gauges. No matter how nice it is. If it is puffing out white smoke this would be an indication of water in the combustion chamber which points to a major problem. The contents of this stuff is weird - Powdered Ginger Root, Powdered Almond Shells, Powdered Turmeric, and vegetable oil byproducts as a binder. The improper squirt of fuel can also cause the piston to melt.
Any home mechanic can change the belt in about an hour and save himself a costly repair bill from a repair shop. Now when you prepare to replace the fuel filter external you must follow the procedures for expelling air from the line and filter prior to tightening the fittings. This will be the sign of an oil and antifreeze mixture. Basically, fuel is pressure fed to the injection pump by the transfer pump. Or, if you want to adapt your black style end to the updated grey style without modifying your harness simply purchase the gray version. The products had proven themselves then, continue to do so, and have stood the test of time and have been sold now for well over a decade! My brother in law sprayed starting fluid in the air box last night and it acted liked it was going to start but didn't.
Note that the above symptoms could also be a blown head gasket which is another problem this engine is well known for. When it fails, your lift pump will not run. If power and no pressure, the pump is bad. This was on a Stanadyne unit that I had already replaced and put on a heatsink in the front bumper. The coolant temperature then dropped rapidly to 181 or so, then slowly started coming up to mid 180s. I'd never pay near that for that truck.
I like to remove the glow plugs if you have them to freeup the compression to expell the air any time the fuel lines are opened. I plan on doing some research on the internet, but you guys are experts on everything it seems, so I figure someone will have some great info. Air has been known to get sucked into a leaky radiator or heater core when the cooling system cools down. There have been some older engines in 2001's. If it seals the coolant leak enough for me to not have performance issues or starting issues, I'll most likely leave it in and add the occasional tablets every time the local quickie lube does a flush and fill.
For example you drive to the store and the engine is warm. As the problem progresses you can do the following. The injection pump is in the valley of the engine between the cylinder heads and the heat produced by the engine is also absorbed into the injection pump. Because some of the head bolt threads protrude into the water jacket, use a thread sealant on the threads. If you choose to remote mount the cooler in another place besides the intake manifold, these are the harness that will allow you to do that.