Bmw 4.8 Coolant Leak

If playback doesnt begin shortly try restarting your device. 745Li E66 - 44L 8 Cyl 32 Valve N62 engine only.

Bmw N62 V8 Coolant Leak Auto Repair In Flower Mound Tx Fifth Gear Automotive Lewisville Argyle Auto Repair

The patented BimmerFix Coolant Pipe Repair System is a fast and less expensive way to repair a Coolant Transfer Pipe leak in a BMW N62 engine.

Bmw 4.8 coolant leak. Unfortunately the hose underneath the reservoir on the 48-liter engine is difficult to reach and even more difficult to disconnect because of the plastic connector. You dont need to. Coolant leaking down the left side of the engine can be from coolant hoses or from the oil filter standhousing.

The initial complaint is usually loss of Coolant leaking from a small Weep Hole at the front of the Engine on the Timing Cover. We are starting to see this problem quite often. Car has had all BMW recommended maintenance service.

2003 BMW 745Li. 2004 BMW 745Li. 745Li E66 - 44L 8 Cyl 32 Valve N62 engine only.

The BimmerFix Stent is easy to install by removing the water pump and installing the stent into the timing chain cover. For instance coolant is usually a bright green or pink color whereas transmission fluid is a deep reddish-brown. This leak is typically caused by front seal on the coolant transfer pipe which is located under the intake valley pan.

See our technical article on water pump. The N62 was also used in the sporty BMW 645Ci 650i as well as the 540i 545i 550i and the BMW X5 SUV. Picture your beautiful German N62 V8.

There were no audible or visible warnings. The valley pan itself does not leak. The engine overheated causing total loss of engine.

Engine oil leaks are rather common in certain BMW models but that doesnt mean they can be overlooked. Possible Areas for Oil Leaks to Occur. 745Li E66 - 44L 8 Cyl 32 Valve N62 engine only.

Due to its location in the engine it requires removal of the timing cover timing chain intake manifold and cylinder heads. Apparently this vehicle does not have a coolant sensor and the engine temperature gauge can malfunction if the coolant has all leaked out. Late model V8s with the 44 liter Valvetronic Motor N62 with coolant leaking from the valley and flowing out of the weep hole in the lower timing cover.

If you have a coolant valley pipe leak you will either see it come out of the hole or you wil see dried residue. First BMW got rid of clamp style coolant hoses in favor of hoses with plastic connectors on the end. 3 entire engine replacement at 63000 miles out of warranty.

The water pump has a weep hole where coolant commonly leaks from. When it leaks the valley pan acts like a trough and fluid escapes via a weep hole on left side of the block. If you see a coolant leak at the back of the engine suspect a leak from either the rear coolant manifold or the valley pan.

BMW V8 Coolant Leak on N62 Engine. 745Li E66 - 44L 8 Cyl 32 Valve N62 engine only. From the bottom of engine coolant will leak down from the cluster of cooling system components.

It is common to find that the fluid is low from evaporation. However the most common spot on this vehicle for a slow leak that is difficult to find is from the bottom corners of the radiator. This is commonly misdiagnosed as a Water Pump problem.

The coolant leaks out of the weep hole. There is a weep hole that allows the coolant to escape. You can replace the valley pan by removing the water pump and not removing the rear coolant manifold.

To confirm look on the front of the engine block to the left. The coolant pipe runs above it. This popular V8 engine was used in BMWs flagship 735i 740i 745i 750i Li series.

2005 BMW 745Li. Coolant Leak from Timing Cover Weep Hole BMW has a costly- and not uncommon- problem with the Coolant Transfer Pipe in the middle of the Engine on its late model V8 Engines. The problem is a seal on a pipe that is routed from the lower timing cover behind the water pump to the rear wall of the engine in the center.

The patented BimmerFix Stent stops the weep hole leak in N62 V8 N73 V12 engines by creating a metal lining inside the BMW Coolant Pipe. The valley pan is the space between both sets of four cylinders just flat metal that is part of the block. When it leaks engine oil is usually a darker or yellowish thick fluid.

The fluid gets trapped by debris and often you will not see any fluid on the ground as it is a slow leak. It can be viewed using an inspection mirror. 2002 BMW 745Li.

Worse case scenario its the coolant valley pipe.

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