
Important Safety Information
1. TO PREVENT STEAM BURNS,
DO NOT OPEN CAP OF HOT
OR WARM RADIATOR.
2. Pressurize only with hand pump. Do
not use engine to pressurize system.
3. Loosen the radiator cap slowly.
4. Keep away from hot engine
parts and fluids.
5. Use this product only
according to these instructions.
Improper use can create hazards.
6. Wear ANSI-approved safety goggles
and heat resistant work gloves
during product assembly and use.
7. Refer to the vehicle’s service
manual for specific radiator pressure
testing instructions before use.
8. Clean up coolant spills immediately.
Dispose of fluids according
to local, state, and federal
codes and regulations.
Operating Instructions
9. Keep work area clean and well lit.
10. Do not overreach. Keep proper
footing and balance at all times.
This enables better control of the
product in unexpected situations.
11. Keep bystanders out of the area
during assembly and use.
12. Do not assemble or operate when
tired or when under the influence
of drugs or medication.
13. This product is not a toy.
Do not allow children to play
with or near this product.
14. Use as intended only.
15. Inspect before every use.
Do not use if parts missing or damaged.
16. Maintain product labels and nameplates.
These carry important safety
information. If unreadable or missing,
contact Harbor Freight Tools
for a replacement.
1. Refer to the vehicle’s service
manual for specific radiator
pressure testing instructions.
2. Loosen the vehicle’s radiator cap
slowly to relieve any excess pressure
before removing the cap completely.
Do not open the cap of a hot radiator.
3. Select the Proper Adapter and
configuration of the Stationary Seat
accessories. Securely attach the
adapter to the filler neck of the
radiator or expansion tank.
4. Attach the Quick Connector of the
Hand Pump onto the Adapter.
Page 2 For technical questions, please call 1-888-866-5797. Item 61666
5. Rapidly pump the Hand Pump while
watching the pressure gauge.
Pressurize the radiator up to
the optimal pressure only Do not overpressurize the radiator.
Readings normally range 12 ~15 PSI.
If the pressure level is too low, there
may be a leak in the radiator or hose.
6. Once the test is complete, release
the air pressure by pressing the
Pressure Release Valve on the
Hand Pump. Then disconnect the
Quick Coupler and Adapter assembly.
7. Store the Kit in its Case in a clean, dry,
safe location out of reach of children.

Parts List and Diagram
Part Description Function*
1 Pump
Blue
2
Adapter
Yellow
3
Adapter
Red
4
Adapter
Orange
5
Adapter
7 Adapter
Adjustable
8
Seat
9 50mm Seat
10 35mm Seat
11 27mm Seat
13 Adapter Kia
14 Clip
15 Adapter Honda, Toyota
16 Adapter
Green
21
Adapter
22 Adapter GM, Ford
19 Case
®
Skoda
, SAAB®, Ford®,
Daewoo®, Audi® A4, A5, A6
Skoda, Seat
®
, Audi,
Opel®, VW®, Ford
Seat, Alfa Romeo
Audi, BMW
®
Land Rover®, BMW
®
Lancia
, Volvo®,
Land Rover®, Renault®,
Peugeot®, Opel®, Honda®,
Fiat®, Citroen®, Audi, VW
Toyota®, Suzuki®, Nissan®,
Mitsubishi®, Mercedes®,
Chrysler®, Citroen
Use with item 8
for Japanese and
European cars
Use with item 8 for
Japanese and European
cars including:
Suzuki, Nissan, Mitsubishi,
Chrysler, Citroen, Mercedes
Use with item 8 for
Japanese and European
cars including:
Toyota, Suzuki, Nissan
®
Use with adapters and seat
accessories for: Toyota,
Suzuki, Mitsubishi, Nissan
Opel, Hyundai
®
, Honda,
Mitsubishi, Ford, Nissan,
Mazda®, Toyota
®
GM
19
®
,
11 10 9
®
22
7
8
21
2
4
15
16
5
3
1
13 14
Note: Some parts are listed and shown
for illustration purposes only, and are not
available individually as replacement parts.
*Note: Kit may work for only some
models under each indicated make.
Page 3For technical questions, please call 1-888-866-5797.Item 61666

PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY
DIAGRAM IN THIS DOCUMENT AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER
OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE
BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR
THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE
MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS
REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS,
AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF
HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO,
OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality
and durability standards, and warrants to the original purchaser that this product is free from
defects in materials and workmanship for the period of 90 days from the date of purchase.
This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence
or accidents, repairs or alterations outside our facilities, criminal activity, improper installation,
normal wear and tear, or to lack of maintenance. We shall in no event be liable for death,
injuries to persons or property, or for incidental, contingent, special or consequential damages
arising from the use of our product. Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation of exclusion may not apply to you.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with transportation
charges prepaid. Proof of purchase date and an explanation of the complaint must accompany
the merchandise. If our inspection verifies the defect, we will either repair or replace
the product at our election or we may elect to refund the purchase price if we cannot readily
and quickly provide you with a replacement. We will return repaired products at our expense,
but if we determine there is no defect, or that the defect resulted from causes not within
the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also
have other rights which vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (888) 866-5797