AC evaporator housing removing and disassembling

— Following manufacturer's instructions, connect an approved refrigerant recovery/recycling/recharging unit to A/C system and remove refrigerant.

Do not discharge/charge the A/C system without proper equipment and training. Damage to the vehicle and personal injury may result. Read warnings and cautions given earlier.

— Disconnect negative (-) battery cable. See 030 Maintenance.

— Remove expansion valve as described earlier.

— Loosen hose clamp and detach large air duct at top of evaporator housing.

^ Disconnect evaporator blower harness connector (1).

— Remove both support brackets (2).

— Gently pull evaporator temperature probe (3) out of base of evaporator and lay aside without damaging duct.

— Remove evaporator assembly from well.

— Remove spring clips securing lower evaporator housing to upper housing. Remove upper housing.

— Remove, service and replace blower motor or evaporator, as needed.

— Installation is reverse of removal.

• Be sure there is sufficient oil in evaporator. See table below.

• Before recharging, evacuate system for at least 30 minutes.

• Recharge system following equipment manufacturer's instructions.


Always replace O-rings when reconnecting refrigerant lines.

Tightening Torques

• Refrigerant lines to expansion valve or evaporator


A/C System Capacities


Oil capacity

Refrigerant (R-12): Total system capacity

1350 gr. (47 oz.)

A/C lubricating oil: Compressor Evaporator Condensers Receiver/dryer

50 gr. (2.0 oz) 40 gr. (1.6 oz.) 20 gr. (0.8 oz.) 10 gr. (0.4 oz.)

Freon Capacity 1989 Mercedes 260e

Was this article helpful?

0 0
Porsche Classic Models

Porsche Classic Models

The History of Porsche Cars through its generational changes. A must have ebook for any Porsche fanatic, this ebook is a reference book for Porsche enthusiasts. Discover all there is to know about the greatest Porsches ever made. All models are fully described and illustrated providing a definitive production history plus an accurate guide to original specs and equipment.

Get My Free Ebook


  • andre
    How to remove A/C evaporator on 1995 porsche 911?
    4 months ago

Post a comment