Mazda CX-5 - Page 5

Bermaz Technical Service Information BR072/19
Page 5 of 10
Bermaz Motor Trading Sdn Bhd (9529-K)
No 7, Jalan Pelukis U1/46, Temasya Industrial Park, Seksyen U1, 40150 Shah Alam, Selangor Darul Ehsan, Malaysia
Tel : +60 (3) 7627 8888 Fax : +60 (3) 7627 8890
Website: www.mazda.com.my
①
<HEATER CORE FLUSHING PROCEDURE>
-Things to prepare locally-
No.
Name
Note
1
Circulation Pump (1)
Power Output: min. 720l/hr./Pump Head approx. 2m
(e.g. Eheim compact+ 2000 or Eden 135)
2
Water Hose (2)
Length: 2.5m - 3m
Inner diameter: 18mm
3
Hose Band (1)
Used to secure water hose (2) to the circulation pump (1).
4
Citric Acid (2 x 15
grams)
Pure citric acid as powder is available in grocery or drug stores.
Note: Usage of acetic acid or other acids may cause damage to the heater core.
5
Bucket (2)
Capacity: 10 liters
1. Drain the engine coolant. (See Workshop Manual: ENGINE COOLANT REPLACEMENT)
2. Disconnect the battery. (See Workshop Manual: BATTERY REMOVAL/INSTALLATION)
3. Remove the heater hoses (IN and OUT) from the heater core pipes.
NOTE:
The heater unit INLET pipe is always on upper side and the OUTLET pipe is on lower side.
4. Connect two water hoses (inlet (2) and outlet (3)) to the pipes of the heater core and secure them
using the original hose bands (1).
(2) Water Inlet
(1) Water Outlet
1
2
3