# Shudder in 1998 Chevrolet Silverado 1500 **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [March 11, 2018, 4:08pm UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487 "2018-03-11T16:08:27Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![Pearson](https://avatars.discourse-cdn.com/v4/letter/p/a9a28c/32.png) [@Pearson](https://community.cartalk.com/u/Pearson)\ **Post date:** [March 11, 2018, 4:08pm UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487/1 "2018-03-11T16:08:27Z")
Truck shudders when braking on down incline ---
**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\ **Post date:** [March 11, 2018, 6:04pm UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487/2 "2018-03-11T18:04:55Z")
How fast are you going? Is the brake pedal kicking? Or does the whole truck shake, and you can feel it in “the seat of your pants” . . . ? ---
**Author:** ![Pearson](https://avatars.discourse-cdn.com/v4/letter/p/a9a28c/32.png) [@Pearson](https://community.cartalk.com/u/Pearson)\ **Post date:** [March 14, 2018, 11:35am UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487/3 "2018-03-14T11:35:37Z")
Between 30 and 50; brake pedal does not kick; whole truck shakes O ---
**Author:** ![COROLLAGUY1](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/corollaguy1/32/7575_2.png) [@COROLLAGUY1](https://community.cartalk.com/u/COROLLAGUY1)\ **Post date:** [March 14, 2018, 1:00pm UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487/4 "2018-03-14T13:00:21Z")
Do you mean the brake pedal pulsates? ---
**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\ **Post date:** [March 14, 2018, 1:31pm UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487/5 "2018-03-14T13:31:22Z")
Based on the brake pedal NOT pulsating, I’d guess the front end on this truck is shot. Control arm bushings, ball joints, idler arm, tie rods, center link, any or all can contribute. A careful inspection is in order. I’d guess bushings first! ---
**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\ **Post date:** [March 14, 2018, 11:47pm UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487/6 "2018-03-14T23:47:08Z")
I believe you have rear brake drums? The shaking could be due to severely out-of-round rear drums I’ve seen this before . . . not saying it IS your problem, but it could be ---
**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\ **Post date:** [March 15, 2018, 1:18am UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487/7 "2018-03-15T01:18:30Z")
Some kind of brake system problem is my guess. Ask your shop to check the run-out in the rotors and drums, fluid leaks getting on the braking surfaces, loose calipers or drum brake parts, etc. Does it the shaking change in gear vs coasting in neutral? ---
**Author:** ![Pearson](https://avatars.discourse-cdn.com/v4/letter/p/a9a28c/32.png) [@Pearson](https://community.cartalk.com/u/Pearson)\ **Post date:** [March 15, 2018, 12:11pm UTC](https://community.cartalk.com/t/shudder-in-1998-chevrolet-silverado-1500/113487/8 "2018-03-15T12:11:48Z")
Thanks. The repair shop says its the rotors. O