The message to which you are about to reply is shown first. GO TO REPLY FORM



 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

94 940 starter issues 900

posted by  someone claiming to be rjk on  Mon Apr 22 18:23 CST 2019 [RELATED]

Upon closer inspection and more rigorous testing this is what I found.

Responsiveness is affected by underhood heat, when cool it will crank but slower than I would expect.
When underhood is operating temp, it cranks VERY, painfully, slowly, if at all (solenoid clicks but no spin).
Battery wires (especially POS) seem hotter than surrounding components.
Once it cools off a bit (about 15 min with the hood open) it will crank well enough to start

There is almost a .5 Vdrop across the battery-to-solenoid wire. Is that too much?

More telling, Vdrop across the brandy-new solenoid registers 3 V. That seems high to me, I would expect it to be less than .5 V. Would you guys agree?

All measurements were taken after the engine had cooled off for 2 hours and would crank reliably, but slower than expected.

Bottom line seems to be only 8V is making it to the starter.

By the way, battery is fine, over 12.6V at rest and when cranking registers about 11.5V





USERNAME
Use "claim to be" below if you don't want to log in.
PASSWORD
I don't have an account. Sign me up.
CLAIM TO BE
Use only if you don't want to login (post anonymously).
ENTER CAPTCHA CODE
This is required for posting anonymously.
OPTIONS notify by email
Available only to user accounts.
SUBJECT
MODEL/YEAR
MESSAGE

DICTIONARY
LABEL(S) +
IMAGE URL *
[IMAGE LIBRARY (UPLOAD/SELECT)]

* = Field is optional.

+ = Enter space delimited labels for this post. An example entry: 240 muffler


©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.