Replacing belts

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Replacing belts

Postby RobR » Sat Jul 21, 2018 2:21 pm

I'm wanting to replace the v-belts in the Monza. I have a 78 with a 305, power steering and a/c. I really need to do the alternator as there is no adjustment left. The alternator is in the middle of the engine with the ac compressor and power steering to either side. My question is which belts do I need as far as part numbers?

Thanks,
Rob
Rob
75 Cosworth 576
78 Monza
User avatar
RobR
 
Posts: 65
Joined: Tue Sep 08, 2015 10:35 am
Location: Diamondhead, MS

1975 Chevrolet Vega Cosworth


Re: Replacing belts

Postby monzaaddict » Sat Jul 21, 2018 5:37 pm

https://www.rockauto.com/en/catalog/che ... ,belt,8900

DAYCO 15555 {Click Info Button for Alternate/OEM Part Numbers} TOP COG® V-Belt Info
Fan, Power Steering and Air Pump; w/o Air Conditioning
Choose:


Part image
$4.20
Add to Cart
DAYCO 15480 {Click Info Button for Alternate/OEM Part Numbers} TOP COG® V-Belt Info
Fan and Air Pump; w/o Power Steering, w/o Air Conditioning

Part image
$8.36
Add to Cart
DAYCO 15510 {Click Info Button for Alternate/OEM Part Numbers} TOP COG® V-Belt Info
Fan and Power Steering; w/o Air Pump, w/o Air Conditioning

Part image
$8.64
Add to Cart
DAYCO 15505 {Click Info Button for Alternate/OEM Part Numbers} TOP COG® V-Belt Info
FitsFan and Alternator; w/o Air Conditioning
OrFan and Air Pump; w/o Power Steering, w/ Air Conditioning

Part image
$8.65
Add to Cart
DAYCO 15535 {Click Info Button for Alternate/OEM Part Numbers} TOP COG® V-Belt Info
Fan and Power Steering; w/o Air Pump, w/ Air Conditioning (Only 9 Remaining)

Part image
$9.02
Add to Cart
CONTINENTAL 15556 {Click Info Button for Alternate/OEM Part Numbers} V-Belt Info
Fan, Power Steering and Air Pump; w/o Air Conditioning

<
Part image
>
$9.17
Add to Cart
GATES 7500 {Click Info Button for Alternate/OEM Part Numbers} High Capacity V-Belt (Standard) Info
Fan and Alternator; w/o Air Conditioning

<
Part image
>
$9.21
Add to Cart
CONTINENTAL 15535 {Click Info Button for Alternate/OEM Part Numbers} V-Belt Info
Fan and Power Steering; w/ Air Conditioning

<
Part image
>
$9.45
Add to Cart
CONTINENTAL 15574 {Click Info Button for Alternate/OEM Part Numbers} V-Belt Info
Fan, Power Steering and Air Pump; w/ Air Conditioning

<
Part image
>
$9.69
Add to Cart
GATES 7512 {Click Info Button for Alternate/OEM Part Numbers} High Capacity V-Belt (Standard); 13/32" x 51-5/8" Info
Fan and Power Steering; w/o Air Conditioning; W/O Air Pump

<
Part image
>
$9.74
Add to Cart
CONTINENTAL 15591 {Click Info Button for Alternate/OEM Part Numbers} V-Belt Info
Air Conditioning - From Fan

<
Part image
>
$9.87
Add to Cart
GATES 7480 {Click Info Button for Alternate/OEM Part Numbers} High Capacity V-Belt (Standard); HC41 13/32 x 48-5/8 Info
Fan and Air Pump; Manual steering; w/o Air Conditioning

<
Part image
>
$9.94
Add to Cart
GATES 7550 {Click Info Button for Alternate/OEM Part Numbers} High Capacity V-Belt (Standard); HC41 13/32 x 55-5/8 Info One of our most popular parts
Fan, Power Steering and Air Pump; w/o Air Conditioning

<
Part image
>
$10.09
Add to Cart
GATES 7530 {Click Info Button for Alternate/OEM Part Numbers} High Capacity V-Belt (Standard); 13/32" x 53-5/8" Info
Fan and Power Steering; w/ Air Conditioning; W/O Air Pump

<
Part image
>
$10.21
Add to Cart
DAYCO 15575 {Click Info Button for Alternate/OEM Part Numbers} TOP COG® V-Belt Info
Fan, Power Steering and Air Pump; w/ Air Conditioning

Part image
$10.29
Add to Cart
DAYCO 15590 {Click Info Button for Alternate/OEM Part Numbers} TOP COG® V-Belt Info
Fan and Air Conditioning

Part image
$10.52
Add to Cart
GATES 7508 {Click Info Button for Alternate/OEM Part Numbers} High Capacity V-Belt (Standard); HC41 13/32 x 51 1/8 Info
Fan and Air Pump; Manual steering; w/ Air Conditioning

<
Part image
>
$10.56
Add to Cart
ACDELCO 15480 {#88934343} Professional; Standard Info
Fan and Air Pump; Manual steering; w/o Air Conditioning

<
Part image
>
$10.61
Add to Cart
ACDELCO 15512 {#88934351} Professional; Standard Info
Fan and Power Steering; w/o Air Conditioning; W/O Air Pump (Only 9 Remaining)

<
Part image
>
$10.77
Add to Cart
ACDELCO 15500 {#88934349} Professional; Standard Info
Fan and Alternator; w/o Air Conditioning

<
Part image
>
$11.13
Add to Cart
ACDELCO 15550 {#88934359} Professional; Standard Info
Fan, Power Steering and Air Pump; w/o Air Conditioning (Only 13 Remaining)

<
Part image
>
$11.33
Add to Cart
ACDELCO 15530 {#88934355} Professional; Standard Info
Fan and Power Steering; w/ Air Conditioning; W/O Air Pump

<
Part image
>
$11.51
Add to Cart
GATES 7575 {Click Info Button for Alternate/OEM Part Numbers} High Capacity V-Belt (Standard); HC41 13/32 x 58 1/8 Info
Fan, Power Steering and Air Pump; w/ Air Conditioning

<
Part image
>
$11.51
Add to Cart
GATES 7585 {Click Info Button for Alternate/OEM Part Numbers} High Capacity V-Belt (Standard); 13/32" x 59-1/8" Info
Fan and Air Conditioning

<
Part image
>
$11.82
Add to Cart
ACDELCO 15508 {#88934350} Professional; Standard Info
Fan and Air Pump; Manual steering; w/ Air Conditioning (Only 10 Remaining)

<
Part image
>
$11.91
Add to Cart
ACDELCO 15575 {#88934364} Professional; Standard Info
Fan, Power Steering and Air Pump; w/ Air Conditioning (Only 6 Remaining)

<
Part image
>
$12.96
Add to Cart
ACDELCO 15585 {#88934366} Professional; Standard Info
Fan and Air Conditioning (Only 7 Remaining)

<
Part image
>
$13.32
Add to Cart
CONTINENTAL 15512 {Click Info Button for Alternate/OEM Part Numbers} V-Belt Info
FitsFan and Alternator; w/o Air Conditioning
OrFan and Air Pump; w/ Air Conditioning
monzaaddict
 
Posts: 2234
Joined: Sun Jul 02, 2006 3:04 pm

Re: Replacing belts

Postby RobR » Sat Jul 21, 2018 6:44 pm

I have been to Rock Auto and have seen that page.

I guess what I'm asking is more the length of each belt. Rock Auto has lengths all over the map for supposedly the same belt, by over an inch in some cases.

Just want to get the right ones.
Rob
75 Cosworth 576
78 Monza
User avatar
RobR
 
Posts: 65
Joined: Tue Sep 08, 2015 10:35 am
Location: Diamondhead, MS

1975 Chevrolet Vega Cosworth

Re: Replacing belts

Postby monzaaddict » Sun Jul 22, 2018 4:39 pm

Look for numbers on old belts Check online for length and then if you feel it is too long look for one that lists as shorter. OR Buy a belt measuring tool or bring your belts to auto parts store and use theirs to determine length. Then check length of replacements?

https://www.rockauto.com/en/tools/belt+ ... t+tool,252
monzaaddict
 
Posts: 2234
Joined: Sun Jul 02, 2006 3:04 pm

Re: Replacing belts

Postby RobR » Sun Jul 22, 2018 8:43 pm

Thanks. I went ahead and ordered them. We'll see if I got it right. Might have to buy that measuring tool, just to have it and not worry about belts again.

Appreciate the help.
Rob
75 Cosworth 576
78 Monza
User avatar
RobR
 
Posts: 65
Joined: Tue Sep 08, 2015 10:35 am
Location: Diamondhead, MS

1975 Chevrolet Vega Cosworth

Re: Replacing belts

Postby RobR » Thu Jul 26, 2018 9:00 pm

FWIW, these are the belts I used.

Alternator: CONTINENTAL 15475
Power Steering: CONTINENTAL 15535
Air Conditioning: CONTINENTAL 15591


Job was a nightmare as everything was stuck at the max position. Finally got everything freed up and then the sway bar was so close to the pulley that I had to loosen that up to slide the belts off. It's a Spyder sway bar. Maybe the motor mounts are sagging?
Rob
75 Cosworth 576
78 Monza
User avatar
RobR
 
Posts: 65
Joined: Tue Sep 08, 2015 10:35 am
Location: Diamondhead, MS

1975 Chevrolet Vega Cosworth


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