× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1991 Mercedes-Benz 420SEL 4.2L Aux Fans
Posted to European Engine on 11/10/2003 5 Replies

Hello Benz Specialist,

We have 420 SEL with little running hot problem. We have narrowed it to the malfunction of the dual aux fans. They will operate when we bridge refrigerant high pressure switch but will not when we bridge 105/115 Temperature switch S25/5...

5 Replies Received (View Replies)

  Related Documents & Media  1991 Mercedes-Benz 420SEL

 
Message Closed w/FIX

car Vehicle Data

1991 Mercedes-Benz 420SEL

VIN WDBCA35EXM
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedAux Fans
ConditionsInop
Message Closed w/FIX

car Vehicle Data

1991 Mercedes-Benz 420SEL

VIN WDBCA35EXM
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedAux Fans
ConditionsInop