[W126 Coupe] question about 'engine' airpump

[Ruud Schuijt]

> 

> 

> Thanx for all the info. I¹ll leave it the way it is now ­ broken. I¹ll wait

> and see what happens when they are going to inspect it, If necessary I will

> replace the pump then. I just wanted to make sure a broken pump won¹t have a

> negative impact on other parts of the car.

> 

> 

> 

> EGR is more like breathing farts, while both these things may be of dubious

> merit the air pump and EGR are required if you need a smog test.   The air

> pump only works at coolant temps below 60C.   EGR on the other hand is a key

> item if your area tests for NOX.    Any IM240 dyno test will include NOX.

>  

> A few words of caution here, all emission systems are covered by the EPA

> mandate and tampering with these are forbidden.    What you do with your own

> car is your own business however, remember this is a public forum and what you

> write is fair game.   Explaining that such and such system is only needed on

> cold start or that breathing farts is not a great idea if fine.   That said

> advocating and admitting that members do these modifications should not be

> posted for your own protection.

>  

> Steve 

>  

>>  

>> 

>>  

>>  

>> 

>> Ditto here re. the air pump. I removed the belt on my 89 560 and passed NY

>> inspection. It is still on the car but I¹m thinking of recycling it for more

>> use as an anchor for my boat.

>>  

>>  

>>  

>> One thing I have done is to remove and  plug the vac. Line to the EGR valve.

>> In previous American cars that I have  rebuilt motors I saw that cars without

>> ERG have cleaner intake runner, valves,  etc. I guess it¹s like person

>> smoking vs. not smoking. Don¹t know if there are  any other pros or cons to

>> this.

>>  

>>  

>>  

>> I have not pulled the SEC motor apart  (and hope I won¹t have to anytime

>> soon) but I assume it will help keep it¹s lungs cleaner going  forward.

>>  

>>  

>>  

>> This does need to be reconnected at  inspection though.

>>  

>>  

>> MB  Coupes, L.L.C.

> 

> 

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