200/300TDI exhaust brake?

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wrickm

wrickm

Active Member
Posts
137
Location
Virginia, USA
Has anyone installed an exhaust brake, or considered it, and has a good reason it's a dumb idea? I yank a utility trailer full of fire wood around a bit and the drums get "warm". i use what engine braking is already available top pretty good effect, but i figure with an exhaust brake i would barely need the drums. . .
 
@miktdish An exhaust brake is a valve that closes in the exhaust to create back pressure to make engine braking more effective. I use downshifting now to take pressure off the drum brakes, but (idealy) an exhaust brake would make that much more effective, but there can be downsides in some engine. Can cause valve float if the springs arent strong enough. That's why i was asking if anyone had done it.
 
What is a matter with the trailer brakes?
In good order the trailer brakes will be coming on with only a normal light touch on the towing vehicles brakes.
And the more weight there is in the trailer the harder its brakes should come on. Or is it a case your log buss just does not have any?
 
I grew up driving an old 70s van, and for me, using lower gears is the best way to help braking. I would not bother with exhaust brake as it might affect the engine and combustion cycle.
 
I used exhaust brakes on HGV's decades ago with varying degrees of success, depending on the veh. manuf.
You need a large piston surface area & relatively high engine revs for an EB to be effective.
 
Just to set minds at ease i am not going to pioneer this. If someone with these engines had success, I thought it would be a novel way to help my 109" since the brakes are ever a challenge. I am not risking my motor thought. If you think a 200tdi is hard to get in the U.K. is is crazy over here. lol
 
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