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Part # 910-850 910-855 

-9-

 

Modified 03/18

Moss Europe Ltd.

Hampton Farm Industrial Estate

Hampton Road West, Hanworth Middlesex, TW13 6DB

In the UK: 020-8867-2020 FAX: 020-8867-2030

Moss Motors, Ltd.

440 Rutherford Street, Goleta, California 93117

In the US & Canada Toll Free (800) 667-7872

LOCAL (805) 681-3400 FAX (805) 692-2510

Although every effort has been made to ensure the accuracy and clarity of this information, any suggestions 
that you may have that will improve the information (especially detailed installation notes and photos) are 
welcome. These instructions were developed and written by Moss Technical Support. If you have any questions 
or difficulties with your installation of this product, telephone 800-667-7872 between 7:00 a.m. and 4:00 p.m., 
Pacific Time for assistance.

Installation Instructions

910-850, 910-855 Bill of Materials

Item No.

Description

Quantity

Unit of Measure

772-910

SPACER, COOLANT REROUTE

1

EACH

772-913

WATER NECK, COOLANT REROUTE

1

EACH

910-851

HOSE,COOLANT RE-ROUTE

1

EACH

051-132

HOSE BARB, 3/8 NPT X 5/8

1

EACH

051-203

PLUG, PIPE, 1/8 NPT, HEX HEAD

1

EACH

772-911

PLATE, COOLANT BLOCK OFF

1

EACH

051-860

BOLT,HEX FLANGE,M8 X 1.25 X 16

2

EACH

051-730

BOLT,HEX FLANGE,M8 X 1.25 X 50

1

EACH

771-330

BOLT,HEX FLANGE,M8 X 1.25 X 75

1

EACH

999-023

GASKET/T-STAT 160 DEGREE

3

EACH

772-956

TUBE, EGR, COOLANT REROUTE (NOT IN 910-855)

1

EACH

051-810

P-CLAMP, 1.625IN. ID

2

EACH

772-947

BRACKET, HOSE

1

EACH

051-004

BOLT, HEX FLANGE,M6 X 1.0 X 16

2

EACH

051-787

NUT, HEX FLANGE, M6 X 1.0

2

EACH

052-947

BOLT,BHCS,M8X1.25X25,ZINC (NOT IN 910-855)

1

EACH

051-074

WASHER, FLAT, M8

1

EACH

Summary of Contents for Cobalt 910-850

Page 1: ...es much to be desired Since the 1 8L was originally developed for light duty transverse mounted front wheel drive applications little thought was given to the rear wheel drive Miata Coolant flows from the water pump at the front through passages in the engine to the rear of the cylinder head Some coolant can exit at the rear of the engine but only through the small heater hose leading to the heate...

Page 2: ...ning the metal vacuum line for the power brake booster and throttle cable Remove the vacuum hose at the intake and lift the vacuum line up and out of the way Figure 3 Figure 3 4 Remove the one wire connector for the coolant temperature sensor temp gauge located on the driver s side back of the cylinder head underneath the camshaft position sensor Figure 4 1 Remove the connectors for the camshaft p...

Page 3: ...ning bolt being removed ignition timing MUST be checked when installation is completed Driving with incorrect ignition timing may result in severe engine damage Figure 6 1 Figure 6 2 7 Remove the temp sensor using a 19mm deep socket 8 Remove the electrical connector for the Mass Air Flow Sensor Loosen the air intake duct and remove the two 12mm bolts retaining the factor air filter box Figure 8 1 ...

Page 4: ...Replace the heater hose and clamp if they are old or in poor condition to ensure against leaks Figure 11 Figure 11 12 Remove the 12mm nut and bolt retaining the heater hose water neck at the rear of the cylinder head Remove the heater hose water neck and set aside Remove the stud from the rear of the cylinder head Use double nut method The other nut can be sourced from the front thermostat housing...

Page 5: ...d install in the former thermostat housing location using the provided M8 bolts Torque to 16 ft lbs Figure 15 Figure 15 16 Install the provided heater hose barb in the reroute spacer The extra hole in the spacer is provided for an aftermarket coolant temperature sensor Use the provided 1 8 NPT brass plug if you will not be installing another sensor The heater hose barb and brass plug are pipe thre...

Page 6: ...essed groove in the spacer Install the assembly on the rear of the engine ensuring the coolant temp sensor is on top and the radiator hose outlet is facing towards the intake side of the engine Keep it sandwiched tightly together as you tighten the bolts to 16 ft lbs Figure 18 Figure 18 19 Install the heater hose to the heater barb on the spacer Install the reroute radiator hose in the newly insta...

Page 7: ...Connect the one wire coolant temp sensor wire to the sensor 24 Reinstall coil bracket to rear of engine The lower bolt must be replaced with the provided button head bolt for EGR tube clearance Install with a 5 mm allen wrench 910 855 does not include this button head bolt Optional The coil bracket can be modified to greatly ease future removal and installation if desired Remove the coil bracket f...

Page 8: ...ling system Do this with the front of the car still elevated on jack stands to help trapped air make its way to the radiator filler neck The new upper hose will suddenly become warm to the touch when the thermostat opens Once this happens any air trapped behind the thermostat will be pulled through the hose into the radiator Once the upper hose becomes warm install radiator cap Check reset ignitio...

Page 9: ...telephone 800 667 7872 between 7 00 a m and 4 00 p m Pacific Time for assistance Installation Instructions 910 850 910 855 Bill of Materials Item No Description Quantity Unit of Measure 772 910 SPACER COOLANT REROUTE 1 EACH 772 913 WATER NECK COOLANT REROUTE 1 EACH 910 851 HOSE COOLANT RE ROUTE 1 EACH 051 132 HOSE BARB 3 8 NPT X 5 8 1 EACH 051 203 PLUG PIPE 1 8 NPT HEX HEAD 1 EACH 772 911 PLATE CO...

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