Can I change solid lifters over to hydraulic lifters?

Tiny
KDZEE
  • MEMBER
  • 2008 SUZUKI SX4
  • 2.0L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 21,500 MILES
I have a 2008 Suzuki SX4 with a 2.0L engine, and understand that the lifters need to be shimmed every 30,000 miles. I also own a 2002 Suzuki Aerio with a 2.0L engine that has hydraulic lifters that never need adjustment. Rather than shimming the SX4 can I change the lifters over to the hydraulic ones. I am looking at both and they are the same in size. Both heads have the same oil passages as well. I attached pictures of the oil passages in the SX4 head, also the solid lifter and a shim. If this modification won't work I will need to know how to shim for valve clearance. I have two sets of solid lifters with varies sizes of shims. It seems you would have to install and remove the cams several times to get the shims correct.
Friday, January 9th, 2015 AT 6:36 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
I have to start by saying, I'm only allowed to recommend direct fit parts / repairs. Can this be done? Before you do it, contact a parts store and see if they offer hydraulic lifters for your vehicle. If they do, I'm confident that will work.

Please keep in mind, a few thousands of an inch can cause problems for you. They may look the same size but be slightly bigger or smaller.
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Friday, January 9th, 2015 AT 7:25 PM
Tiny
KDZEE
  • MEMBER
  • 28 POSTS
Thanks for a solution, and a way to find out if the hydraulic lifters are a interchange for the OEM that came in my 2008 Suzuki SX4. I did find the Suzuki factory service manual pages on shimming the solid lifters. I look online or call a couple of parts departments to see if I can buy the hydraulic lifters. If not I will be taking a course in adding shims. I've owned other cars with solid lifters, old Subaru's and VW's. You guys are always helpful.
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Saturday, January 10th, 2015 AT 9:46 AM

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