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-   -   collapsed upper radiator hose (http://www.peachparts.com/shopforum/tech-help/8064-collapsed-upper-radiator-hose.html)

emmy 06-22-2000 11:10 AM

just replaced myu radiator, all hoses and expansion tank. Retained the exp tank cap because it is only 4 months new( so i was told)....

the upper radiator hose, i observe to collapse when engine cools off. SOmehow vacuum is trapped. Have seen posts about a possible defective cap, but would like to know if there may be other causes.

thx
emmy
91 560sel

Benzmac 06-22-2000 09:28 PM

Replace the cap. There is a small check valve in there that is stuck.


------------------
Benzmac:
Donnie Drummonds
1992 500E (very soon I hope :)
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
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