Operation CHARM: Car repair manuals for everyone.
Home >> Saturn >> 2007 >> ION L4-2.2L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Cylinder Block Assembly >> Engine Block Heater >> Service and Repair >> Coolant Heater Replacement
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Coolant Heater Replacement



Coolant Heater Replacement

Removal Procedure




1. Disconnect the coolant heater cord (1).




2. Remove the coolant heater bolt.
3. Remove the coolant heater.

Installation Procedure




1. Install the coolant heater.

Notice: Refer to Fastener Notice.

2. Install the coolant heater bolt.

Tighten the bolt to 10 N.m (89 lb in).




3. Connect the coolant heater cord (1).

pro multis · About Operation CHARM