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Engine oil/coolant leak. Diagnosis & repair.

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Offline greyowl07

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Engine oil/coolant leak. Diagnosis & repair.
« on: September 24, 2019, 12:05:33 AM »
Its to be expected that a 1996 vehicle(Sidekick, 4drs, Calmini lift) will begin to show its age. Within the last 2 yrs all brake lines were replaced, shocks & coils replaced with EMU(excellent quality), several welding jobs to reinforce body & frame, & lately its been gaskets & hoses leaks. Driving to my camp(northern Quebec, 200km highway, 60km off-road) I noticed smoke coming from the engine area. Pulled over to check & some fluid was falling(wind blown) on the cc causing the smoke. Stopped at a garage in the village & was told its a main seal/oil pan gasket leak which entails lifting the motor, a labor intensive job. Following week took the truck to my garage & received same diagnosis. Called my friend(former mechanic) to come take a look & he noticed oil coming down the side of the motor. This was a distributor gasket leak, often misdiagnosed as a main seal/oil pan leak. Suzuki does not include these gaskets in their parts list but a company in the states, BlendDoor, sells a kit on Amazon which was an exact fit to my Sidekick. The kit includes an O-ring for the body & a larger thin ring for the housing which should be reinforced with red hi temp. gasket maker. Prior to assembly, sand cap & rotor contact points & spray with contact cleaner. Once you decide to go ahead with the rebuild you should consider replacing the coolant hoses. The 2 heater hoses lie under the dist. & can be accessed once its removed. One of my hoses was found to be soft, porous, & leaking. The radiator hoses should also be looked at. The lower one is in 2 sections & again one section was found to be soft, porous, & leaking. Use new clamps on any hoses you replace. If there's any coolant leak after this repair, usually around the differential area, its the water pump seal. Its time for a timing belt/water pump job.

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Offline Drone637

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Re: Engine oil/coolant leak. Diagnosis & repair.
« Reply #1 on: September 24, 2019, 03:14:25 PM »
Nice find and fix!

The 8 valves tend to leak out of the distributor as well when the o-ring fails.
96 Geo Tracker, x-SJ-410,  x-White Rabbit, x-Project Trouble
Crawlers NorthWest
x-Trouble Racing

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Offline JollyZuk

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Re: Engine oil/coolant leak. Diagnosis & repair.
« Reply #2 on: September 24, 2019, 04:44:29 PM »
Pretty much EVERY Japanese vehicle ever leaks oil at the distributor/cam pos sensor o-ring!
1995 Sidekick JLX
16v 5 spd, milled head, LROR Stage 2 clutch
2" Spacer lift, XL7 rear springs,  2nd Gen front springs, W-Body GM Struts on front
OEM ROOF RACK!!!

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Offline rasmeidirtrider

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Re: Engine oil/coolant leak. Diagnosis & repair.
« Reply #3 on: September 25, 2019, 04:02:21 PM »
My Sport gets leak at the CAS. However, when the new valve cover gasket is replaced, no more leak there!!!
'96 (07/95) US imported Sidekick Sport, 16V, 1.8L, 4 auto, 4x4, 4dr, A/C, ABS, 100K miles, VIN: JS3TD21V6T4101985, bone stock, except 215/70R/16.