# \#s-15jimmy **URL:** https://community.cartalk.com/tag/s-15jimmy/11331.md [Latest](https://community.cartalk.com/latest.md) · [Categories](https://community.cartalk.com/categories.md) · [Tags](https://community.cartalk.com/tags.md) --- ## [Brake pressure blowback through reservoir](https://community.cartalk.com/t/brake-pressure-blowback-through-reservoir/179316)
**Author:** [@abgrund666\_177155](https://community.cartalk.com/u/abgrund666_177155)\ **Replies:** 10\ **Last updated:** [September 13, 2021, 11:24pm UTC](https://community.cartalk.com/t/brake-pressure-blowback-through-reservoir/179316 "2021-09-13T23:24:17Z")
The vehicle in question is a 1989 GMC Jimmy 4.3L 4x4. When the brake is pushed, fluid squirts up from the primary through the reservoir. Not just a little, and not just at first, but for the entire stroke. Under hard pr… --- ## [Removing sugar from the gas tank of a 1993 GMC S-15 Jimmy](https://community.cartalk.com/t/removing-sugar-from-the-gas-tank-of-a-1993-gmc-s-15-jimmy/114332)
**Author:** [@Amer](https://community.cartalk.com/u/Amer)\ **Replies:** 4\ **Last updated:** [March 24, 2018, 10:20pm UTC](https://community.cartalk.com/t/removing-sugar-from-the-gas-tank-of-a-1993-gmc-s-15-jimmy/114332 "2018-03-24T22:20:11Z")
How to remove sugar from your gas tank --- ## [Turn signal solid (doesn't flash) on '96 Sonoma. MF Switch not to blame](https://community.cartalk.com/t/turn-signal-solid-doesnt-flash-on-96-sonoma-mf-switch-not-to-blame/84131)
**Author:** [@james.gawley](https://community.cartalk.com/u/james.gawley)\ **Replies:** 5\ **Last updated:** [March 11, 2014, 4:02am UTC](https://community.cartalk.com/t/turn-signal-solid-doesnt-flash-on-96-sonoma-mf-switch-not-to-blame/84131 "2014-03-11T04:02:36Z")
Hello All, I joined up because I'm stumped on a repair problem. My 1996 GMC Sonoma's turn signals don't flash. The signal bulbs do come on when I flip the switch and I can simulate a turning signal by clicking the swit… --- ## [Trying to get the engine to last until march](https://community.cartalk.com/t/trying-to-get-the-engine-to-last-until-march/76449)
**Author:** [@Frank\_Pytel](https://community.cartalk.com/u/Frank_Pytel)\ **Replies:** 11\ **Last updated:** [January 2, 2013, 9:44am UTC](https://community.cartalk.com/t/trying-to-get-the-engine-to-last-until-march/76449 "2013-01-02T09:44:27Z")
Hello All. 1989 GMC Sierra (S15) 4.3L v6 I'm trying to get the engine to last me until March. I have low compression in the #1 cylinder. I'm guessing it's the rings but it's hard to tell. I did a compression check… --- ## [Gas mileage question](https://community.cartalk.com/t/gas-mileage-question/76330)
**Author:** [@PVTodd](https://community.cartalk.com/u/PVTodd)\ **Replies:** 25\ **Last updated:** [December 30, 2012, 11:19pm UTC](https://community.cartalk.com/t/gas-mileage-question/76330 "2012-12-30T23:19:57Z")
Hey Guys, I have a 1991 GMC Jimmy that lives in Mexico, I am there in the winter, it runs fine, starts great. No missing, no lagging, pretty good power (as far as I can tell). BUT I seem to be only getting about 8 miles … --- ## [Spark color to determine ingition coil performance](https://community.cartalk.com/t/spark-color-to-determine-ingition-coil-performance/76295)
**Author:** [@Frank\_Pytel](https://community.cartalk.com/u/Frank_Pytel)\ **Replies:** 8\ **Last updated:** [December 28, 2012, 4:59am UTC](https://community.cartalk.com/t/spark-color-to-determine-ingition-coil-performance/76295 "2012-12-28T04:59:04Z")
Good Morning; I am having some minor power issues with an older vehicle. I found that some of the wires looked bad and replaced them. I replaced the plugs, cap and rotor about two months ago. The alterantor and battery…