Question about 2001 Volkswagen GTI
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Posted on Jan 02, 2017
sounds like turbo unbalanced, check oil feed pipe for turbo could be blocked or restricted. turbo should be reconditioned or renewed.
Posted on May 13, 2010
SOURCE: intercooler leak
Hi if your boost gauge is still showing that there is boost pressure, but you cant hear the turbo working. there are two hoses behind the engine by the turbo the thinner vaccume hose is right by the down pipe and can easily be damaged by the heat from the exhaust. or due to the heat it can stretch and slide out from under the hose clamps the best solution is to purchase a samco boost hose kit they cost around $220.00 to $240.00, and will most likley be on backorder for 6 to 8 weeks nomatter where you buy it from because the Mk IV gti is getting old and the demand isn't what it once was. the cheaper solution, and the solution I used on my car was to spend $1.79 on a 4 pack of hose clamps at the hardware store and reattatch the hose while I wait for my boost hose kit. it will also help to buy exhaust wrap tape wich insulates your downpipe and keeps heat away from your engine, and turbo hoses. I hoped this helped. If your boost gauge isn't showing any boost i am not sure what to exept examine the whole enging compartment while the engine is running and feel along all of the hoses looking for a leak. depending on your mileage on the car you could just need a new turbo charger. the cheapest I have found them is at www.kineticmotorsport.com a new borg warner K03 sport is $798.00 and about $40.00 more with the instalation hardware. they also have the K04, and K05 but you need to upgrade a lot of other engine componants to handle the larger boost.
Posted on Nov 13, 2008
SOURCE: white smoke from tail pipe
It often means that you are burning antifreeze. You asked if it needs antifreeze, have you noticed any leaking out of the reservoir tank while you are running it? Sometimes when the head gasket goes it will produce a passage for the antifreeze to pass from the capillaries into the combustion chamber. It is easy to check if you have an air compressor. Remove one of the rear sparkplugs and the radiator cap. Fill the radiator and then push some air into the sparkplug hole (get a good seal in case a valve is open). Repeat with all the cylinders and watch for air bubbles coming up into the radiator. If bubbles come up or fluid is pumped out, the head gasket is blown and must be replaced. It is more likely to happen at the back of the engine because it is farthest away from the fan and therefore gets less cooling. Also check your oil for discoloration. If it is a brownish color it could mean your oil and antifreeze are mixing and has the potential to damage your bearings.
Posted on Jan 29, 2009
It could be the waste gate that controls the turbo boost. Check your lower inter-cooler tubing from the inter-cooler to the turbo just to double check and make sure it's all buttoned up. If it's the bearing, there would be lots of blue smoke from the tail pipe. Good luck and keep me posted.
Posted on Nov 03, 2009
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